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Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Styrene is a colourless liquid substance. The physico-chemical properties of styrene are summarized in table below.

Table . Overview of physico-chemical properties

Property

Results

 

Remarks

Physical state at 20°C and 101.3 kPa

Colourless liquid substance

-

Melting / freezing point

-31oC

Experimental, handbook data

-48.3°C

QSAR estimated data

Boiling point:

145°C

Experimental, handbook data

146.65°C

QSAR estimated data

Relative density:

 0.9 g/cm3(at 20oC)

-

Vapour pressure:

6.4 mm Hg (at 25oC)

Experimental, handbook data

5.05 mm Hg; 0.674 kPa (at 25oC)

QSAR Estimated values

Water solubility:

310mg/L(at 25oC)

Experimental, handbook data

160 mg/L to 344 mg/L (at 25oC)

QSAR Estimated values

Partition coefficient n-octanol/water (log value):

log Pow/log Kow: 2.95 -3.00

 

Experimental, handbook data

log Pow/log Kow: 2.90

 

QSAR Estimated values

Flash point:

31oC to 34.4oC (closed cup)

36.7oC (open cup)

Experimental, handbook data

Flammability:

Flammable liquid

-

Explosive properties:

Not Explosive

-

Oxidising properties:

Not oxidizing

-

Granulometry:

Not applicable

Liquid substance