Arts and Crafts

Friday, 12 August 2011 00:54

Phthalates: Physical & Chemical Properties

Chemical Name CAS-Number	Colour/Form	Boiling Point (°C)	Melting Point (°C)	Molecular Weight	Solubility in Water	Relative Density (water=1)	Relative Vapour Density (air=1)	Vapour Pressure/ (Kpa)	Inflam. Limits	Flash Point (°C)	Auto Ignition Point (°C)
DIALLYL PHTHALATE 131-17-9	nearly colourless oily liquid	160-163	-70	246.26	@ 25 °C	1.120	8.3	@ 150 °C		166
DIBUTYL PHTHALATE 84-74-2	colourless to faint yellow viscous liquid; oily liquid	340	-35	278.34	insol	1.0459	9.58	<0.01	0.5 ll 25.0 ul	157 cc	402
DICYCLOHEXYLPHTHALATE 84-61-7	white, granular solid	@ 4 mm Hg	66	330.4	insol	1.383		@ 150 °C		207
DIETHYL PHTHALATE 84-66-2	colourless, oily liquid	295	-40.5	222.3	insol	1.1175	7.7	@ 75 °C	0.7	161 oc	457
DIISODECYL PHTHALATE 26761-40-0		@ 4 mm Hg	-50	446.7	insol	0.966		@ 200 °C	0.3 ll ? ul	232 oc	402
DIISOOCTYL PHTHALATE 27554-26-3	nearly colourless, viscous liquid	370	-4	390.54	insol	0.986	13.5	<10 Pa		227	393
DIMETHYL PHTALATE 131-11-3	oily-liquid; colourless viscous liquid; pale yellow crystals	283.7	5.5	194.2	insol	1.1905	6.69	<0.01 mm Hg	0.9 ll ? ul	132	490
DIMETHYL TEREPHTHALATE 120-61-6	colourless crystals; needles from ether	288	140	194.2	sl sol	@ 25 °C	5.5	@ 150 °C	0.8 ll 11.8 ul	146 oc	500
DI-sec-OCTYL PHTALATE 117-81-7	light coloured liquid; colourless oily liquid	384	-50	390.54	@ 25 °C	0.9861	16.0	0.001	0.3 ll ? ul	215 oc	390
PHTHALIC ACID, DIHEPTYL ESTER 3648-21-3	colourless liquid	360		362.45	0.01%
PHTHALIC ACID, DIISOBUTYL ESTER 84-69-5	liquid	296.5	-64	278.33	insol	@ 15 °C				185 oc	432

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Published in 104. Guide to Chemicals

Friday, 12 August 2011 00:50

Phthalates: Physical & Chemical Hazards

Chemical Name CAS-Number	Physical	Chemical	UN Class or Division / Subsidiary Risks
DIALLYL PHTHALATE 131-17-9		The substance will polymerize if not inhibited, due to heating or in the presence of a catalyst • On combustion, forms toxic carbon oxides • Reacts with strong oxidants, bases and acids
DIBUTYL PHTHALATE 84-74-2	As a result of flow, agitation, etc, electrostatic charges can be generated	The substance decomposes on burning producing toxic and irritating fumes (phthalic anhydride)
DICYCLOHEXYL PHTHALATE 84-61-7		Reacts with acids, bases
DIETHYL PHTHALATE 84-66-2		The substance decomposes on heating or on burning producing toxic fumes and gases (phthalic anhydride) • Attacks some plastics
DIISODECYL PHTHALATE 26761-40-0		Attacks some forms of plastics
DIISOOCTYL PHTHALATE 27554-26-3		Reacts with strong oxidants
DI-sec-OCTYL PHTALATE 117-81-7		Reacts with strong oxidants, acids, alkalis, and nitrates

For UN Class: 1.5 = very insensitive substances which have a mass explosion hazard; 2.1 = flammable gas; 2.3 = toxic gas; 3 = flammable liquid; 4.1 = flammable solid; 4.2 = substance liable to spontaneous combustion; 4.3 = substance which in contact with water emits flammable gases; 5.1 = oxidizing substance; 6.1 = toxic; 7 = radioactive; 8 = corrosive substance

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Published in 104. Guide to Chemicals

Friday, 12 August 2011 00:48

Phthalates: Health Hazards

Chemical Name CAS-Number	ICSC Short-Term Exposure	ICSC Long-Term Exposure	ICSC Routes of Exposure and Symptoms	US NIOSH Target Organs Routes of Entry	US NIOSH Symptoms
DIALLYL PHTHALATE 131-17-9	eyes; skin; lungs	liver	Ingestion: diarrhoea, laboured breathing
DIBUTYL PHTHALATE 84-74-2				Eyes; resp sys; GI tractInh; ing; con	Irrit eyes, upper resp sys, stomach
DICYCLOHEXYL PHTHALATE 84-61-7	eyes; skin; resp. tract
DIETHYL PHTHALATE 84-66-2	eyes; skin; CNS		Inhalation: dizziness, dullness Skin: redness Eyes: redness, pain	Eyes; skin; resp sys; CNS; PNS; repro sysInh; inh; con	Irrit eyes, skin, nose, throat; head, dizz, nau; lac; possible polyneur, vestibular dysfunc; pain, numb, weak, spasms in arms & legs; in animals: repro effects
DIISODECYL PHTHALATE 26761-40-0	eyes; skin	liver	Skin: redness Eyes: redness Ingestion: dizziness, nausea, vomiting
DIMETHYL PHTHALATE 131-11-3	eyes; nose; throat	birth defects		Eyes; resp sys; GI tractInh; ing; con	Irrit eyes, upper resp sys; stomach pain
DIMETHYL TEREPHTHALATE 120-61-6	eyes
DI-sec-OCTYL PHTHALATE 117-81-7	eyes; skin; resp. tract; lungs; GI tract	skin	Inhalation: cough, sore throat	eyes; GI tract; resp sys; CNS; liver; repro sys (in animals: liver tumors)Inh; ing; con	Irrit eyes, muc memb; in animals: liver damage; terato effects; (carc)

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Published in 104. Guide to Chemicals

Friday, 12 August 2011 00:46

Phthalates: Chemical Identification

Chemical Formula	Chemical	Synonyms UN Code	CAS-Number
131179	DIALLYL PHTHALATE	1,2-Benzenedicarboxylic acid, di-2-propenyl ester ; Phthalic acid, diallyl ester; o-Phthalic acid, diallyl ester	131-17-9
84742	DIBUTYL PHTHALATE	o-Benzenedicarboxylic acid, dibutyl ester; Benzene-o-dicarboxylic acid di-n-butyl ester; DBP; Dibutyl 1,2-benzenedicarboxylate; Dibutyl phthalate; Di-n-butyl phthalate; n-Butylphthalate; Polycizer dbp	84-74-2
84617	DICYCLOHEXYL PHTHALATE	1,2-Benzenedicarboxylic acid, dicyclohexyl ester; Phthalic acid, dicyclohexyl ester	84-61-7
84662	DIETHYL PHTHALATE	1,2-Benzenedicarboxylic acid, diethyl ester; Ethyl phthalate; Neantine; Palatinol a; Phthalol	84-66-2
3648213	DIHEPTYL PHTHALATE	Di-n-heptyl phthalate; Heptyl phthalate	3648-21-3
26761400	DIISODECYL PHTHALATE	1,2-Benzenedicarboxylic acid, bis(isodecyl)phthalate; DIDP (plasticizer); Diisodecyl phthalate; Phthalic acid, diisodecyl ester	26761-40-0
131113	DIMETHYL PHTHALATE	1,2-Benzenedicarboxylic acid, dimethyl ester; Dimethyl-1,2-benzenedicarboxylate; DMP; Methyl phthalate; Phthalic acid methyl ester	131-11-3
117817	DI-sec-OCTYL PHTHALATE	1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester; Bis(2-ethylhexyl)-1,2-benzenedicarboxylate; Bis(2-ethylhexyl)phthalate; Di(2-ethylhexyl)orthophthalate	117-81-7
84695	PHTHALIC ACID, DIISOBUTYL ESTER	DIBP; Diisobutyl phthalate; Hexaplas M; 1B; Palatinol IC	84-69-5
27554263	PHTHALIC ACID, DIISOOCTYL ESTER	1,2-Benzenedicarboxylic acid, diisooctyl ester; Diisooctyl phthalate; Isooctyl phthalate; Phthalic acid, bis(6-methylheptyl)ester	27554-26-3
27253265	PHTHALIC ACID, DIISOTRIDECYL ESTER	1,2-Benzenedicarboxylic acid, diisotridecyl ester; Diisotridecyl phthalate	27253-26-5
636099	TEREPHTHALIC ACID, DIETHYL ESTER	1,4-Benzenedicarboxylic acid, diethyl ester; Diethyl terephthalate	636-09-9
120616	TEREPHTHALIC ACID, DIMETHYL ESTER	1,4-Benzenedicarboxylic acid, dimethyl 1,4-benzenedicarboxylate; Dimethyl p-phthalate; Dimethyl terephthalate; DMT; Methyl 4-carbomethoxybenzoate; Terephthalic acid methyl ester	120-61-6

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Published in 104. Guide to Chemicals

Friday, 12 August 2011 00:38

Silicon & Organosilicon Compounds: Physical & Chemical Properties

Chemical Name CAS-Number	Colour/Form	Boiling Point (°C)	Melting Point (°C)	Molecular Weight	Solubility in Water	Relative Density (water=1)	Relative Vapour Density (air=1)	Vapour Pressure/ (Kpa)	Inflam. Limits	Flash Point (°C)	Auto Ignition Point (°C)
CALCIUM SILICATE 1344-95-2	white powder				insol	2.9
ETHYL SILICATE 78-10-4	colourless liquid	168.8	-82.5	208.30	insol	0.933	7.22	1.0 mm Hg	1.3 ll 23 ul	52 oc
METHYL DICHLOROSILANE 75-54-7	colourless liquid	41	-93	115.04	sl sol	@ 27 °C	3.97	46	6.0 ll 55 ul	-9 cc	316
METHYL SILICATE 681-84-5	colourless liquid	121-122	-2	152.25	reacts	1.032	5.3	2.2
METHYL TRICHLOROSILANE 75-79-6	colourless liquid	66.4	-90	149.48	reacts	@ 25 °C	5.17	17.9	5.1 ll ? ul	8	404
POLYDIMETHYLSILOXANE 9016-00-6	clear fluids available in wide range of viscosities				insol	0.97				>200
SILANE, DICHLORO- 4109-96-0	compressed, liquified gas	8.2	-122.0	101.01		1.22	3.484		4.1 ll 99 ul	-307	100 58
SILICIC ACID, DISODIUM SALT 6834-92-0	colourless monoclinic crystals; usually obtained as a glass; also orthorhombic crystals; dustless white granules		1089	122.07	sol	2.614
SILICON CARBIDE 409-21-2	exceedingly hard, green to bluish-black, iridescent, sharp crystals; hexagonal or cubic		2600	40.07	insol	3.23
SILICON MONOXIDE 10477-28-6	amorphous black solid					2.15-2.18
SILICON TETRAHYDRIDE 7803-62-5	gas; colourless	-112	-185	32.13	slowly decomposes	@ 19 °C	1.114		1.37	-22
SILICON TETRAFLUORIDE 7783-61-1	colourless gas	-86	-90.2	104.06		@ -80 °C (liquid)	3.57
SILICON 7440-21-3	black to gray, lustrous, needle-like crystals or octahedral platelets (cubic system); amorphous form is dark brown powder	2355	1410	28.0855	insol		@ 25 °C/4 °C
SODIUM SILICATE 1344-09-8	colourless to white or grayish-white, crystal-like pieces or lumps; lumps of greenish glass; white powders; liquids cloudy or clear				sl sol
TETRACHLOROSILANE 10026-04-7	colourless, clear, mobile liquid	59	-70	169.89		@ 0 °C/4 °C	5.9	@ 5.4 °C
TRICHLOROSILANE 10025-78-2	colourless liquid	31.8	-126.5	135.47		1.3417	4.7	@ -16.4 °C	1.2 ll 90.5 ul	-14 oc	93-104
TRIMETHYLCHLOROSILANE 75-77-4	colourless liquid	57	-57.7	108.66	reacts	@ 25 °C	3.75	26.7	1.8 ll 6 ul	-27

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Published in 104. Guide to Chemicals

Friday, 12 August 2011 00:34

Silicon & Organosilicon Compounds: Physical & Chemical Hazards

Chemical Name CAS-Number	Physical	Chemical	UN Class or Division / Subsidiary Risks
ETHYL SILICATE 78-10-4			3
METHYL DICHLOROSILANE 75-54-7			4.3/ 3/ 8
METHYL TRICHLOROSILANE 75-79-6	The vapour is heavier than air and may travel along the ground; distant ignition possible	The substance decomposes on heating producing hydrogen chloride • Reacts violently with strong oxidants • Reacts violently with water and moisture producing hydrogen chloride, causing fire and explosion hazard • Attacks metals like aluminium and magnesium	3/ 8
POLYDIMETHYLSILOXANE 9016-00-6		The substance decomposes on heating (>150 ºC) producing formaldehyde in small amounts
SILANE, DICHLORO- 4109-96-0	The gas is heavier than air	Reacts violently with water • On contact with air it emits hydrogen chloride
SILICIC ACID, DISODIUM SALT 6834-92-0		The substance is a strong base, it reacts violently with acid and is corrosive in moist air to metals like zinc, aluminium, tin and lead forming a flammable/explosive gas (hydrogen)
SILICON TETRAHYDRIDE 7803-62-5	The gas is heavier than air	The substance may spontaneously ignite on contact with air room temperature
SILICON TETRAFLUORIDE 7783-61-1	The gas is heavier than air	Reacts violently with water • On contact with air it emits hydrogen fluoride	2.3/ 8
SILICON 7440-21-3			4.1
TETRACHLOROSILANE 10026-04-7	The vapour is heavier than air	Reacts violently with water • On contact with air it emits hydrogen chloride and silicic acid
TRICHLOROSILANE 10025-78-2	The vapour is heavier than air and may travel along the ground; distant ignition possible	Reacts violently with water • On contact with air it emits hydrogen chloride • Attacks many metals in presence of water	4.3/ 3/ 8
TRIMETHYLCHLOROSILANE 75-77-4	The vapour is heavier than air and may travel along the ground; distant ignition possible	The substance decomposes on heating producing toxic and corrosive fumes (hydrogen chloride, phosgene) • Reacts violently with water, ketones, alcohol, amines and many other substances, causing explosion hazard • On contact with air it emits corrosive fumes of hydrogen chloride	3/ 8

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Published in 104. Guide to Chemicals

Friday, 12 August 2011 00:32

Silicon & Organosilicon Compounds: Health Hazards

Chemical Name CAS-Number	ICSC Short-Term Exposure	ICSC Long-Term Exposure	ICSC Routes of Exposure and Symptoms	US NIOSH Target Organs & Routes of Entry	US NIOSH Symptoms
ETHYL SILICATE 78-10-4				Resp sys; liver; kidneys; blood; skin; eyes Inh; ing; con	Irrit eyes, nose; in animals: lac, dysp, pulm edema; tremor, narco; liver, kidney damage; anemia
METHYL DICHLOROSILANE 75-54-7	eyes; skin; resp tract; lungs
METHYL SILICATE 681-84-5	resp tract; eyes; lungs	kidneys; liver	Inhalation: burning sensation, cough, shortness of breath, sore throat, symptoms may be delayed Eyes: redness, pain, loss of vision	Eyes; resp sys; kidneys Inh; ing; con (vapliq)	Irrit eyes, corn damage (following even short term exposure to vapor); lung, kidney inj; pulm edema
METHYL TRICHLOROSILANE 75-79-6	eyes; skin; resp tract; lungs		Inhalation: corrosive, burning sensation, cough, shortness of breath, unconsciousness, symptoms may be delayed Skin: corrosive, redness, skin burns, pain, blisters Eyes: corrosive, redness, pain, loss of vision, severe deep burns
POLYDIMETHYLSILOXANE 9016-00-6	eyes		Eyes: redness, pain
SILANE, DICHLORO- 4109-96-0	eyes; skin; resp tract; lungs	lungs	Inhalation: burning sensation, cough, laboured breathing, shortness of breath, sore throat Skin: redness, skin burns, burning sensation, pain, blisters Eyes: redness, pain, loss of vision
SILICON TETRAHYDRIDE 7803-62-5	eyes; resp tract; lungs	lungs	Inhalation: burning sensation, cough, laboured breathing, shortness of breath, sore throat, symptoms may be delayed Eyes: redness, pain Ingestion: weakness	Eyes; skin; resp sys; CNS Inh	Irrit eyes, skin, muc memb; nau, head
SILICIC ACID, DISODIUM SALT 6834-92-0	eyes; skin; resp tract; lungs	skin	Inhalation: burning sensation, cough, shortness of breath Skin: redness, serious skin burns, pain, blisters Eyes: redness, pain, blurred vision, severe deep burns Ingestion: burning sensation, diarrhoea, shock or collapse, vomiting, collapse
SILICON TETRAFLUORIDE 7783-61-1	eyes; skin; resp tract; lungs		Inhalation: burning sensation, cough, laboured breathing, shortness of breath, sore throat Skin: redness, skin burns, pain, blisters Eyes: redness, pain, loss of vision, severe deep burns
TETRACHLOROSILANE 10026-04-7	eyes; lungs		Inhalation: burning sensation, cough, laboured breathing, shortness of breath, sore throat Skin: redness, skin burns, pain, blisters Eyes: redness, pain, loss of vision, severe deep burns
TRICHLOROSILANE 10025-78-2	eyes; skin; resp tract; lungs	lungs	Inhalation: burning sensation of the chest, cough, laboured breathing, shortness of breath, sore throat Skin: redness, skin burns, burning sensation, pain, blisters Eyes: redness, pain, loss of vision
TRIMETHYLHLOROSILANE 75-77-4	eyes; skin; resp tract; lungs	skin	Ingestion: Inhalation: burning sensation, cough, laboured breathing Skin: redness, pain, blisters Eyes: redness, pain, severe deep burnsabdominal pain, burning sensation, weakness

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Published in 104. Guide to Chemicals

Friday, 12 August 2011 00:30

Silicon & Organosilicon Compounds: Chemical Identification

Chemical Formula	Chemical	Synonyms UN Code	CAS-Number
1344952	CALCIUM SILICATE	Calcium hydrosilicate; Calcium monosilicate; Calcium polysilicate; Calcium silicate; Calflo E; Calsil; CS lafarge; Florite R; Marimet 45; Microcal 160; Promaxon P60; Silene WF; Silmos t; Solex; Stabinex NW 7PS; Starlex l; SW 400; Toyofine A	1344-95-2
78104	ETHYL SILICATE	Ethyl orthosilicate; Ethyl silicate; Extrema; Silane, tetraethoxy-; TEOS; Tetraethoxysilane; Tetraethyl orthosilicate; Tetraethyl silicate UN1292	78-10-4
75547	METHYL DICHLOROSILANE	Dichloromethylsilane UN1242	75-54-7
681845	METHYL SILICATE	Methyl orthosilicate; Methyl silicate; Silicic acid, methyl ester of ortho-; Silicic acid, tetramethyl ester; Tetramethoxysilane; Tetramethyl silicate UN2606	681-84-5
75796	METHYL TRICHLOROSILANE	Methylsilicochloroform; Methylsilyl trichloride; Trichloromethylsilane UN1250	75-79-6
9016006	POLYDIMETHYLSILOXANE	Af 72; Af 75; Dimethicone 350; Dow Corning 346; Geon; Good-rite; Gum; Hycar; Latex; Methyl silicone; Polymethylsiloxane	9016-00-6
4109960	SILANE, DICHLORO-		4109-96-0
6834920	SILICIC ACID, DISODIUM SALT	B-W; Crystamet; Disodium metasilicate; Disodium monosilicate; Metso 20; Metso beads, drymet; Silicic acid, disodium salt ; Sodium silicate; Water glass	6834-92-0
Si	SILICON		7440-21-3
SiC	SILICON CARBIDE	Annanox CK; Betarundum; Ultrafine; Carbofrax M; Carbolon; Carbon silicide; Crystar; Crystolon 37; Crystolon 39; Densic c 500	409-21-2
SiO	SILICON MONOXIDE		10477-28-6
7803625	SILICON TETRAHYDRIDE	Flots 100SCO; Monosilane; Silane; Silicane UN2203	7803-62-5
7783611	SILICON TETRAFLUORIDE	Perfluorosilane; Silane, tetrafluoro-; Tetrafluorosilane UN1859	7783-61-1
10026047	TETRACHLOROSILANE	Extrema; Silicon chloride; Silicio(tetracloruro di); Silicon tetrachloride UN1818	10026-04-7
10025782	TRICHLOROSILANE	Silicochloroform; Trichloromonosilane UN1295	10025-78-2
75774	TRIMETHYL CHLOROSILANE	Chlorotrimethylsilane; Silane, trimethylchloro-; Silicane, chlorotrimethyl-; Tl 1163; Trimethylsilyl chloride UN1298	75-77-4

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Published in 104. Guide to Chemicals

Friday, 12 August 2011 00:24

Sulphur Compounds, Organic: Physical & Chemical Properties

Chemical Name CAS-Number	Colour/Form	Boiling Point (°C)	Melting Point (°C)	Molecular Weight	Solubility in Water	Relative Density (water=1)	Relative Vapour Density (air=1)	Vapour Pressure/ (Kpa)	Inflam. Limits	Flash Point (°C)	Auto Ignition Point (°C)
n-BUTYLMERCAPTAN 109-79-5	colourless liquid	98.4	-115.7	90.2	sl sol	0.8337	3.1	4.0		2 cc	<225
tert-BUTYLMERCAPTAN 75-66-1	mobile liquid; colourless liquid	64	-0.5	90.2	insol	0.8002	3.1	19.0		-26 cc
CETYLMERCAPTAN 2917-26-2	liquid or solid	184	18		insol	0.84	8.9	10 Pa		135
CYCLOHEXYLMERCAPTAN 1569-69-3	liquid	158	-118	116.2	insol	0.9782	4.00	1.3		43 cc
DECYLMERCAPTAN 143-10-2	colourless liquid	241	-26	174.3	insol	0.84	6.0	<10 Pa
DODECYLMERCAPTAN 112-55-0	water-white to pale yellow liquid; oily colourless liquid	@ 15 mm Hg	-7	202.4	insol	0.8450	7.0	@ 25 °C		1278 oc	230
ETHYLMERCAPTAN 75-08-1	colourless liquid	35	-144.4	62.13	sl sol	0.83907	2.14	589	2.8 ll 18.0 ul	-483	299
n-HEPTYLMERCAPTAN 1639-09-4		177	-43	132.26	insol	0.8427
n-HEXYLMERCAPTAN 111-31-9		151	-81	118.23	insol	0.8424
2-MERCAPTOETHANOL 60-24-2	water-white mobile liquid	@ 742 mm Hg		78.13	sol	1.1143	2.7	1.00 mm Hg
METHYLMERCAPTAN 74-93-1	water-white liquid when below boiling point, or colourless gas	5.9	-123	48.1	sl sol	0.8665	1.66	@ 26.1 °C	3.9 ll 21.8 ul	-18
METHANESULFONYL CHLORIDE 124-63-0	pale yellow liquid	@ 18 mm Hg	-32	114.55	insol	1.4573
OCTADECANETHIOL 2885-00-9	solid	205-209	25			0.8420
n-OCTANETHIOL 111-88-6	water-white liquid	199.1	-49.2	146.30		0.8433				46
1-PENTANETHIOL 110-66-7	liquid	@ 460 mm Hg	-75.7	104.21	insol	0.8421	3.59	@25 °C		18 oc
PERCHLOROMETHYLMERCAPTAN 594-42-3	oily, yellow liquid; yellow to orange-red	147.5		185.88	insol	1.6947	6.414	3 mm Hg
PHENYLMERCAPTAN 108-98-5	water-white liquid; prism-like crystals from petroleum ether	168	-14.8	110.17	insol	1.0766	3.8	@ 18 °C		<55
PROPANETHIOL 107-03-9	colourless, mobile liquid	67-68	-113.3	76.17	sl sol	0.8411 g/ml		@ 25 °C		-20
SODIUM DODECYLBENZENESULFONATE 25155-30-0	white to light yellow flakes, granules, or powder		>300		sol	1.0 for 60% slurry
THIOACETAMIDE 62-55-5	crystals from benzene; colourless leaflets; crystals from alc, plates from ether		116	75.1	v sol
THIOACETIC ACID 507-09-5	yellow liquid	93	<-17	76.1	sl sol	1.064	2.62			18-21
2,2'-THIODIETHANOL 111-48-8		164-166	-10	122.2		1.1819
THIOGLYCOLIC ACID 68-11-1	colourless liquid	@ 20 mm Hg	-16.5	92.1	misc	1.3253		@ 18 °C

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Published in 104. Guide to Chemicals

Friday, 12 August 2011 00:22

Sulphur Compounds, Organic: Physical & Chemical Hazards

Chemical Name CAS-Number	Physical	Chemical	UN Class or Division / Subsidiary Risks
ANTU 86-88-4		The substance decomposes on heating producing toxic fumes including nitrogen oxides and sulphur oxides • Reacts with strong oxidants causing fire and explosion hazard	6.1
BENZENESULPHONYL CHLORIDE 98-09-9			8
n-BUTYLMERCAPTAN 109-79-5	The vapour is heavier than air and may travel along the ground; distant ignition possible	The substance decomposes on burning or heating, producing highly toxic fumes (sulphur dioxide) • Reacts with acids, bases, alkali metals, and strong oxidants	3
tert-BUTYLMERCAPTAN 75-66-1	The vapour is heavier than air and may travel along the ground; distant ignition possible	The substance decomposes on burning producing highly toxic gases including sulphur oxides • Reacts with strong acids, strong bases, alkali metals, strong reducing agents, strong oxidants
CETYLMERCAPTAN 2917-26-2		The substance decomposes on burning producing highly toxic gases including sulphur oxides • Reacts violently with strong oxidants, acids, reducing agents, alkali metals
CYCLOHEXYLMERCAPTAN 1569-69-3		The substance decomposes on burning producing highly toxic gases including sulphur dioxide • Reacts with strong oxidants, reducing agents, and alkali metals	3
DECYLMERCAPTAN 143-10-2		The substance decomposes on burning producing highly toxic gases including sulphur dioxide • Reacts with strong oxidants and strong bases
DIETHYLSULPHATE 64-67-5		The substance decomposes on heating producing flammable and toxic fumes • The substance is a strong oxidant and reacts with combustible and reducing materials • The substance is a strong reducing agent and reacts with oxidants • The solution in water is a strong acid, it reacts violently with bases and is corrosive	6.1
DIETHYLSULPHIDE 352-93-2			3
DIMETHYLSULPHATE 77-78-1			6.1/ 8
DIMETHYLSULPHIDE 75-18-3	The vapour is heavier than air and may travel along the ground; distant ignition possible	The substance decomposes on heating and on burning producing toxic and corrosive fumes (hydrogen sulphide and sulphur oxides) • Reacts violently with strong oxidants causing fire and explosion hazard	3
DIMETHYLSULPHOXIDE 67-68-5	The vapour is heavier than air and may travel along the ground; distant ignition possible	The substance decomposes on heating above 150 °C or on burning producing toxic fumes • Reacts violently with strong oxidants such as perchlorates
DODECYLMERCAPTAN 112-55-0		The substance decomposes on burning producing highly toxic gases including sulphur dioxide • Reacts violently with strong oxidants and alkali metals
ETHYLMERCAPTAN 75-08-1	The vapour is heavier than air and may travel along the ground; distant ignition possible	On combustion, forms carbon monoxide, sulphur oxides and hydrogen sulphide • The substance is a weak acid • Reacts with oxidants causing fire and explosion hazard • Reacts vigourously with strong acids and bases causing toxic hazard	3
LAURYL SODIUM SULPHATE 151-21-3		On combustion, forms toxic gases • Gives off toxic fumes in a fire
MERCAPTOACETIC ACID 68-11-1			8
2-MERCAPTOETHANOL 60-24-2			8
METHANESULPHONYL CHLORIDE 124-63-0			6.1/ 8
D,L-METHIONINE 59-51-8		The substance decomposes on heating producing sulphur oxides, nitrous oxides • Reacts with strong oxidants
METHYLMERCAPTAN 74-93-1	The gas is heavier than air and may travel along the ground; distant ignition possible	The substance decomposes on heating and on burning producing toxic sulphur oxides • Reacts violently with strong oxidants • Reacts with acids to form flammable and toxic gas (hydrogen sulphide)	2.3/ 2.1
1-PENTANETHIOL 110-66-7			3
PERCHLOROMETHYLMERCAPTAN 594-42-3			6.1
PHENYLMERCAPTAN 108-98-5		The substance decomposes on heating producing toxic fumes (sulphur oxides and carbon monoxide) • Reacts with acids to form toxic fumes (sulphur oxides)	6.1/ 3
PROPANETHIOL 107-03-9			3
SODIUM DODECYLBENZENESULPHONATE 25155-30-0		The substance decomposes on heating and on burning producing toxic and irritating fumes (sulphur oxides) • Reacts with acids or acid fumes producing toxic and irritating fumes (sulphur oxides)
SODIUM THIOCYANATE 540-72-7		The substance decomposes on heating and under influence of light producing toxic fumes of sulphur oxides, nitrogen oxides and cyanides • Reacts violently with acids, strong bases and strong oxidants
THIOACETAMIDE 62-55-5		The substance decomposes on burning producing toxic fumes
THIOACETIC ACID 507-09-5	The vapour is heavier than air and may travel along the ground; distant ignition possible	The substance decomposes on burning producing toxic and corrosive fumes (sulphur oxides) • The substance is a medium strong acid and is corrosive • Reacts violently with strong oxidants causing fire and explosion hazard • Reacts slowly with water forming acetic acid and hydrogen sulfide
THIOUREA 62-56-6		The substance decomposes on heating producing toxic fumes of nitrogen oxides and sulphur oxides • acts with sufphydryl-oxidizing agents and forms complexes and adducts with metallic salts and many organic compounds including proteins and certain hydrocarbons • Reacts violently with acrolein, strong acids and strong oxidants
THIRAM 137-26-8	Dust explosion possible if in powder or granular form, mixed with air	The substance decomposes on heating and on burning producing toxic fumes (nitrogen, sulphur oxides) • Reacts with strong oxidants, acids and oxidizable materials	6.1

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" DISCLAIMER: The ILO does not take responsibility for content presented on this web portal that is presented in any language other than English, which is the language used for the initial production and peer-review of original content. Certain statistics have not been updated since the production of the 4th edition of the Encyclopaedia (1998)."

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Entertainment and the Arts References