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Styrene CAS 100-42-5

SM;STYROL;STYRENE MONOMER;PHENYLETHYLENE;VINYLBENZENE;FEMA 3233;ETHENYLBENZENE;CINNAMENE
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  • 100-42-5

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  • 100-42-5

Styrene Basic information
Product Name: Styrene
Synonyms: SM;STYROL;STYRENE MONOMER;PHENYLETHYLENE;VINYLBENZENE;FEMA 3233;ETHENYLBENZENE;CINNAMENE
CAS: 100-42-5
MF: C8H8
MW: 104.15
EINECS: 202-851-5
Mol File: 100-42-5.mol
Styrene Chemical Properties
Melting point -31 °C (lit.)
Boiling point 145-146 °C (lit.)
density 0.906 g/mL at 25 °C
vapor density 3.6 (vs air)
vapor pressure 12.4 mm Hg ( 37.7 °C)
refractive index n20/D 1.546(lit.)
Fp 88 °F
storage temp. Store at <= 20°C.
solubility 0.24g/l
form Liquid
pka >14 (Schwarzenbach et al., 1993)
Specific Gravity 0.909
color Colorless
Odor Threshold 0.035ppm
explosive limit 1.1-8.9%(V)
Water Solubility 0.3 g/L (20 ºC)
FreezingPoint -30.6℃
Sensitive Air Sensitive
Merck 148,860
BRN 1071236
Henry's Law Constant (x 10-3 atm?m3/mol): 3.91 at 25 °C (static headspace-GC, Welke et al., 1998)
Exposure limits TLV-TWA 50 ppm (~212 mg/m3) (ACGIH and NIOSH), 100 ppm (~425 mg/m3) (OSHA and MSHA); ceiling 200 ppm, peak 600 ppm/5 min/3 h (OSHA); STEL 100 ppm (~425 mg/m3) (ACGIH).
Stability: Stable, but may polymerize upon exposure to light. Normally shipped with a dissolved inhibitor. Substances to be avoided include strong acids, aluminium chloride, strong oxidizing agents, copper, copper alloys, metallic salts, polymerization catalysts and accelerators. Flammable - vapour may travel considerable distance to ignition source
InChIKey PPBRXRYQALVLMV-UHFFFAOYSA-N
LogP 2.96 at 25℃
CAS DataBase Reference 100-42-5(CAS DataBase Reference)
NIST Chemistry Reference Styrene(100-42-5)
IARC 2A (Vol. 60, 82, 121) 2019
EPA Substance Registry System Styrene (100-42-5)

COA:

Sample

Styrene

CAS

100-42-5

Batch No

20181112

Report  date

11.13

Weight

1kg

Product source

warehouse

Items tested

Specifications

Results

Appearance

Colorless liquid

Confirm

Content

98.5%

99.2%

Melting point

-30.6℃

Confirm

Conclusion

Qualified

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