Friday, 12 August 2011 00:54

Phthalates: Physical & Chemical Properties

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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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