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alpha-METHYLSTYRENE |
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PRODUCT IDENTIFICATION |
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| CAS NO. |
98-83-9 |
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| EINECS NO. | 202-705-0 | |
| FORMULA | C6H5C(CH3)=CH2 | |
| MOL WT. | 118.18 | |
|
H.S. CODE |
2902.90 | |
| TOXICITY | Oral rat LD50: 4900 mg/kg | |
| SYNONYMS |
2-Phenyl-1-propene; Isopropenylbenzene; |
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| 1-methyl-1-phenylethylene; AMS; 2-Phenylpropene; (1-methylethenyl)benzene; beta-phenylpropene; 2-phenylpropylene; beta-phenylpropylene; alpha-methylstyrol; 1-phenyl-1-methylethylene; 2-phenyl-2-propene; | ||
| DERIVATION |
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CLASSIFICATION |
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PHYSICAL AND CHEMICAL PROPERTIES |
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| PHYSICAL STATE | clear to yellow liquid | |
| MELTING POINT | -24 C | |
| BOILING POINT | 165 - 169 C | |
| SPECIFIC GRAVITY | 0.905 - 0.915 | |
| SOLUBILITY IN WATER | Insoluble | |
| pH | ||
| VAPOR DENSITY | ||
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AUTOIGNITION |
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NFPA RATINGS |
Health: 3; Flammability: 0; Reactivity: 0 | |
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REFRACTIVE INDEX |
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| FLASH POINT | 45 C | |
| STABILITY | Stable under ordinary conditions | |
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APPLICATIONS |
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| Alpha-methylstyrene (AMS) is an intermediate chemical used in the manufacture of plasticizers, resins and polymerization production processes. AMS is used in making floor tiles, adhesives, floor polishers, plastics and other products. AMS is used as raw material for ABS resin to improve the heat and impact resistance and Also used for modifying Polyester / Alkyd resins. | ||
| SALES SPECIFICATION | ||
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APPEARANCE |
clear to yellow liquid | |
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PURITY |
99.0% min |
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COLOR |
20 max (Pt/Co scale) |
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| PTBC |
10 - 20 ppm |
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| PHENOL |
20ppm max |
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| POLYMER |
50ppm max |
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TRANSPORTATION |
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| PACKING | 200kgs in drum | |
| HAZARD CLASS | 3 (Packing Group: II) | |
| UN NO. |
2303 |
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| OTHER INFORMATION | ||
| Hazard Symbols: XI, Risk Phrases: 36/37, Safety Phrases: 9-16-33 | ||
