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TDS - Styrene Monomer
For more information and technical
assistance contact:
Chevron Phillips Chemical Company LP
P.O. Box 4910
The Woodlands, TX 77387-4910
800.852.5531
Styrene Monomer



Sales Specification
Property Units Value 2 Method
  Purity, minimum Weight % 99.90 ASTM D5135
  Ethylbenzene, maximum Weight % 0.0085 ASTM D5135
  Color , maximum Pt-Co Scale 10 ASTM D5386
  Polymer Content, maximum mg/kg 10 ASTM D2121
  Inhibitor (t-Butyl Catechol) mg/kg1 10 - 15 ASTM D4590
  Aldehydes (as Benzaldehyde), maximum Weight % 0.01 ASTM D2119
  Peroxides (as H202), maximum mg/kg 50  ASTM D2340
  Benzene, maximum mg/kg 1 ASTM D5135M

Typical Properties
Property Units Value 2 Method
  Purity Weight % 99.93 ASTM D5135
  Ethylbenzene Weight % 0.0045 ASTM D5135
  Color Pt-Co Scale 8 ASTM D5386
  Polymer Content mg/kg 1 ASTM D2121
  Inhibitor (t-Butyl Catechol) mg/kg 13 ASTM D4590
  Aldehydes (as Benzaldehyde) Weight % 0.002 ASTM D2119
  Peroxides (as H2O2) mg/kg 5 ASTM D2340
  Benzene mg/kg <1 ASTM D5135M
  Chlorides mg/kg <1 ASTM D5808
  Sulfur mg/kg <1 ASTM D3961
  Flash Point (PMCC) °C 31 ASTM D93

(1) Applies to all methods of shipment unless additional inhibitor is specified.
(2) Subject to change without notice.
MSDS #CPC00089 Revision Date December, 2004

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