Styrene

Styrene
  • CAS No.:100-42-5
Other grades of this product :
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/D1.546(lit.)
Fp 88 °F
storage temp. Store at <= 20°C.
solubility 0.24g/l
pka>14 (Schwarzenbach et al., 1993)
form Liquid
color Colorless
Specific Gravity0.909
explosive limit1.1-8.9%(V)
Odor Threshold0.035ppm
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 limitsTLV-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
InChIKeyPPBRXRYQALVLMV-UHFFFAOYSA-N
CAS DataBase Reference100-42-5(CAS DataBase Reference)
NIST Chemistry ReferenceStyrene(100-42-5)
IARC2A (Vol. 60, 82, 121) 2019
EPA Substance Registry SystemStyrene (100-42-5)
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/D1.546(lit.)
Fp 88 °F
storage temp. Store at <= 20°C.
solubility 0.24g/l
pka>14 (Schwarzenbach et al., 1993)
form Liquid
color Colorless
Specific Gravity0.909
explosive limit1.1-8.9%(V)
Odor Threshold0.035ppm
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 limitsTLV-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
InChIKeyPPBRXRYQALVLMV-UHFFFAOYSA-N
CAS DataBase Reference100-42-5(CAS DataBase Reference)
NIST Chemistry ReferenceStyrene(100-42-5)
IARC2A (Vol. 60, 82, 121) 2019
EPA Substance Registry SystemStyrene (100-42-5)

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