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W323306

Styrene

≥99%

Synonym(s):

Phenylethylene, Vinylbenzene

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About This Item

Linear Formula:
C6H5CH=CH2
CAS Number:
100-42-5
Molecular Weight:
104.15
NACRES:
NA.21
PubChem Substance ID:
24901572
UNSPSC Code:
12164502
Council of Europe no.:
11022
EC Number:
202-851-5
MDL number:
MFCD00008612
Beilstein/REAXYS Number:
1071236
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biological source

synthetic

reg. compliance

FDA 21 CFR 172.515

vapor density

3.6 (vs air)

vapor pressure

12.4 mmHg ( 37.7 °C), 4.3 mmHg ( 15 °C)

assay

≥99%

form

liquid

autoignition temp.

490 °F, 914 °F

may contain

<15 ppm 4-tert-butylcatachol, synthetic as stabilizer

expl. lim.

6.1 %

availability

not available in USA

refractive index

n20/D 1.546 (lit.)

bp

145-146 °C (lit.)

mp

−31 °C (lit.)

density

0.906 g/mL at 25 °C

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

medicinal; plastic

storage temp.

2-8°C

SMILES string

C=Cc1ccccc1

InChI

1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2

InChI key

PPBRXRYQALVLMV-UHFFFAOYSA-N

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Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 2 - Skin Irrit. 2 - STOT RE 1 Inhalation - STOT SE 3

target_organs

hearing organs, Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

89.6 °F - closed cup

flash_point_c

32.0 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品

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Certificates of Analysis (COA)

Lot/Batch Number
STBJ4008
STBH2562
STBH8918
STBH7369
STBH4999

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Daniela Saviello et al.
Analytica chimica acta, 843, 59-72 (2014-08-26)
Synchrotron-based Fourier transform infrared micro-spectroscopy (SR-μFTIR) was used to map photo-oxidative degradation of acrylonitrile-butadiene-styrene (ABS) and to investigate the presence and the migration of additives in historical samples from important Italian design objects. High resolution (3×3 μm(2)) molecular maps were
A comprehensive evaluation of the potential health risks associated with occupational and environmental exposure to styrene.
Joshua T Cohen et al.
Journal of toxicology and environmental health. Part B, Critical reviews, 5(1-2), 1-265 (2002-05-16)
Niall D O'Leary et al.
FEMS microbiology reviews, 26(4), 403-417 (2002-11-05)
The last few decades have seen a steady increase in the global production and utilisation of the alkenylbenzene, styrene. The compound is of major importance in the petrochemical and polymer-processing industries, which can contribute to the pollution of natural resources
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