100-42-5 Styrene

Superiority:

Product Name: Styrene
Synonyms: femanumber3234.;NCI-C02200;Phenethylene;Phenylethene;Phenylethylen;phenyl-ethylen;Phenylthylene;Stirolo
CAS: 100-42-5
MF: C8H8
MW: 104.15
EINECS: 202-851-5
Product Categories: Analytical Chemistry;Standard Solution of Volatile Organic Compounds for Water & Soil Analysis;Standard Solutions (VOC);Aromatics
Mol File: 100-42-5.mol

Styrene Chemical Properties
Melting point  -31 °C
Boiling point  145-146 °C(lit.)
density  0.906 g/mL at 20 °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.  2-8°C
solubility  0.24g/l
pka >14 (Schwarzenbach et al., 1993)
form  Liquid
color  Colorless
Specific Gravity 0.909
explosive limit 1.1-8.9%(V)
Odor Threshold 0.035ppm
Water Solubility  0.3 g/L (20 ºC)
FreezingPoint  -30.6℃
Sensitive  Air Sensitive
Merck  14,8860
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
CAS DataBase Reference 100-42-5(CAS DataBase Reference)
NIST Chemistry Reference Styrene(100-42-5)
EPA Substance Registry System Styrene (100-42-5)
Safety Information
Hazard Codes  Xn,T,F
Risk Statements  10-20-36/38-40-36/37/38-39/23/24/25-23/24/25-11-48/20-63
Safety Statements  23-36-26-16-45-36/37-7-46
RIDADR  UN 2055 3/PG 3
WGK Germany  2
RTECS  WL3675000
Autoignition Temperature 914 °F
TSCA  Yes
HS Code  2902 50 00
HazardClass  3
PackingGroup  III
Hazardous Substances Data 100-42-5(Hazardous Substances Data)
Toxicity LD50 in mice (mg/kg): 660 ± 44.3 i.p.; 90 ± 5.2 i.v.