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Poly(styrene)

  • Name Poly(styrene)
  • EINECS202-851-5
  • CAS No. 9003-53-6
  • Density1.06 g/mL at 25 °C
  • PSA0.00000
  • LogP2.32960
  • Solubilityinsoluble in water
  • Melting Point212 °C
  • Formula(C8H8)n
  • Boiling Point212℃
  • Molecular Weight104.152
  • Flash Point>230 °F
  • Transport InformationUN 2211
  • Appearancewhite powder or beads, or clear solid
  • Safety26-36/37/39-24/25
  • Risk Codes41
  • Molecular Structure
    Molecular Structure of 9003-53-6 (Poly(styrene))
  • Hazard SymbolsIrritantXi
  • SynonymsIrritantXi
  • Article Data1985

Poly(styrene) Chemical Properties

Molecular Structure:

Molecular Formula: (C8H8)n
Molecular Weight: 360.8777
IUPAC Name: Styrene
Synonyms of Styrene polymer (CAS NO.9003-53-6): Benzene, ethenyl-, homopolymer ; Ethenylbenzene, homopolymer ; Polystyrene ; Polystyrene resin
CAS NO: 9003-53-6
Classification Code: Mutation data ; TSCA Flag XU [Exempt from reporting under the Inventory Update Rule] ; Tumor data
Melting point: 212 °C 
Index of Refraction: 1.557
Molar Refractivity: 37.17 cm3
Molar Volume: 115.3 cm3
Surface Tension: 30.9 dyne/cm
Density: 0.902 g/cm3
Flash Point: 31.1 °C
Enthalpy of Vaporization: 36.65 kJ/mol
Boiling Point: 145.2 °C at 760 mmHg
Vapour Pressure: 6.21 mmHg at 25°C

Poly(styrene) Uses

 Styrene polymer (CAS NO.9003-53-6) is a thermoplastic resin with good processing properties. It is used in many applications including electronic goods, food packaging, domestic appliances, toys, household goods and furniture.

Poly(styrene) Toxicity Data With Reference

1.    

imp-rat TDLo:19 mg/kg:ETA

    CNREA8    Cancer Research. 15 (1955),333.

Poly(styrene) Consensus Reports

IARC Cancer Review: Group 3 IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 ,1987,p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Limited Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 19 ,1979,p. 231.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory.

Poly(styrene) Safety Profile

Hazard Codes of Styrene polymer (CAS NO.9003-53-6): IrritantXi
Risk Statements: 41 
R41:Risk of serious damage to the eyes.
Safety Statements: 26-36/37/39-24/25 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S24/25:Avoid contact with skin and eyes.
RIDADR: 2211
WGK Germany: 3
RTECS: WL6475000
HazardClass: 9
Questionable carcinogen with experimental tumorigenic data by implant. When heated to decomposition it emits acrid smoke and irritating fumes. See also POLYMERS, WATER-INSOLUBLE

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