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| CAS No.: | 9003-53-6 |
|---|---|
| Name: | Poly(styrene) |
| Molecular Structure: | |
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|
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| Formula: | (C8H8)n |
| Molecular Weight: | 104.152 |
| Synonyms: | Styrene,polymers (8CI);105E;138F;143B;144C;144CKG2;145G;148G;148H;158K;158KR;168M;168N003 Clear;1800P;20SPH;25SP;25SPE;271T;2D-MicroHex;2V62F;31N;3A;4250A;454H;456M;473E;5020B;50IS;B 2 (styrenepolymer);B-OPS;BASF 1424;BASF 1800;BASF1900;BASF 2524;BDH 29-790;BN 26N;BN 4901X;Bustren K 500;CC-PS 251N;CL 2500F;CPS 7GP;CR 350;CR 3500G;CR 4500G;CR 5500;CS 55388-1205;CT 110;Cadco 0115;Carinex;Carinex GP;Carinex HR;Carinex SB 61;Carinex SL 273;Carinex TGH;CarinexTGX/MF;Carinex TGX/SF;Bustren K 550-19;Bustren U 825;Bustren Y 825;C 10(styrene polymer);C 35;BP-KLP;BP-KLP35;BPPS 525;BSC Styrolboard 7;BX 930;Bactolatex;Bakelite LP 80;Bakelite SMD 5401;Bakelite TMDE 6500;Bicolene H;Biosilon;Blendex 28270;Bonron K 855-51;Bonset EPS 62;Bonset EPS-LB 2;Bustren AB 05;Bustren AB 20;535HF;550P (styrene polymer);615APR;615APR26W;666D;666U;679R;680L;685D;685D-W;686E;688C;747R;9M62;9M62C;M Polystyrene 679;A 180;A 180(vinyl polymer);A 2500;A 3-80;A 75 (vinylpolymer);M Polystyrene 685;M PolystyreneGP 679;AT 100;AT 100 (styrene polymer);AT 938;Adion H;Afcolene;Afcolene 666;Afcolene S 100;Amoco18240;Amoco M 9;Arufon XF 900;Aspac;Austrex 103;Austrex 400;Austrex 555; |
| EINECS: | 202-851-5 |
| Density: | 1.06 g/mL at 25 °C |
| Melting Point: | 212 °C |
| Boiling Point: | 212℃ |
| Flash Point: | >230 °F |
| Solubility: | insoluble in water |
| Appearance: | white powder or beads, or clear solid |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 41 |
| Safety: | 26-36/37/39-24/25 |
| Transport Information: | UN 2211 |
| PSA: | 0.00000 |
| LogP: | 2.32960 |
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Chemistry
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
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.
Toxicity Data With Reference
| 1. | imp-rat TDLo:19 mg/kg:ETA | CNREA8 Cancer Research. 15 (1955),333. |
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.
Safety Profile
Hazard Codes of Styrene polymer (CAS NO.9003-53-6): 
Xi
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.