Styrene Monomer

SPECIFICATIONS
Purity99.96
Ethylbenzene130
Peroxides<30
Polymer1-5
Sulfur, wt ppm, max<2
Chloride, wt ppm max<5
Color Pt-co max<15
t-Butyl Catechol, ppm10-15 (2)

Importers & Suppliers of Styrene Monomer in India

  • Description

Description

Styrene Monomer, also known as ethenylbenzenevinylbenzene, and phenylethene, is an organic compound with the chemical formula C6H5CH=CH2. This derivative of benzene is a colorless oily liquid that evaporates easily and has a sweet smell, although high concentrations have a less pleasant odor. Styrene Monomer is the precursor to polystyrene and several copolymers.

Specifications

Names
Preferred IUPAC namePhenylethene
Other namesVinyl benzene; cinnamene; styrol; phenylethene; diarex HF 77; styrolene; styropol; vinylbenzene; phenylethylene
Identifiers
CAS Number100-42-5
ChEBICHEBI:27452
ChEMBLChEMBL285235
ChemSpider7220
Jmol interactive 3D
KEGG
PubChem7501
RTECS numberWL3675000
UNII44LJ2U959V
InChI
SMILES
Properties of Styrene Monomer
Chemical formulaC8H8
Molar mass104.15 g/mol
Appearancecolorless oily liquid
Odorsweet, floral[1]
Density0.909 g/cm3
Melting point−30 °C (−22 °F; 243 K)
Boiling point145 °C (293 °F; 418 K)
Solubility in water0.03% (20°C)[1]
Vapor pressure5 mmHg (20°C)[1]
Refractive index(nD)1.5469
Viscosity0.762 cP at 20 °C
Structure
Dipole moment0.13 D
Hazards
Main hazardsflammable, toxic
Safety data sheet
R-phrasesR10 R36
S-phrasesS38 S20 S23
NFPA 704322
Flash point31 °C (88 °F; 304 K)
Explosive limits0.9%-6.8%[1]
Lethal dose or concentration (LDLC):
LC50 (Median concentration)2194 ppm (mouse, 4 hr)
5543 ppm (rat, 4 hr)[2]
LCLo (Lowest published)10,000 ppm (human, 30 min)
2771 ppm (rat, 4 hr)[2]
US health exposure limits (NIOSH):
PEL (Permissible)TWA 100 ppm C 200 ppm 600 ppm (5-minute maximum peak in any 3 hours)[1]
REL (Recommended)TWA 50 ppm (215 mg/m3) ST 100 ppm (425 mg/m3)[1]
IDLH (Immediate danger700 ppm[1]
Related compounds
Related styrenes;
related aromaticcompounds
Polystyrene, Stilbene;
Ethylbenzene
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).