p-Methylstyrene
p-Methylstyrene
CAS: 622-97-9
Molecular Formula: C9H10
p-Methylstyrene - Names and Identifiers
| Name | p-Methylstyrene |
| Synonyms | VINYLTOLUENE METHYLSTYRENE P-VINYLTOLUENE 4-Vinyltoluene 4-Methylstyrene p-Methylstyrene 4-METHYLSTYRENE P-METHYLSTYRENE 4-Methylphenylene p-Methylphenylene PARA-METHYLSTYRENE Methylstyrenepvinyltoluene |
| CAS | 622-97-9 |
| EINECS | 210-762-8 |
| InChI | InChI=1/C9H10/c1-3-9-6-4-8(2)5-7-9/h3-7H,1H2,2H3 |
p-Methylstyrene - Physico-chemical Properties
| Molecular Formula | C9H10 |
| Molar Mass | 118.18 |
| Density | 0.897g/mLat 25°C(lit.) |
| Melting Point | -34 °C |
| Boling Point | 170-175°C(lit.) |
| Flash Point | 114°F |
| Water Solubility | Miscible with benzene. slightly miscible with water. |
| Solubility | 0.089g/l |
| Vapor Presure | <1 mm Hg ( 20 °C) |
| Appearance | Liquid |
| Color | Clear colorless to light yellow |
| BRN | 1209317 |
| Storage Condition | Store at <= 20°C. |
| Explosive Limit | 1.1-5.2%(V) |
| Refractive Index | n20/D 1.542(lit.) |
p-Methylstyrene - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R65 - Harmful: May cause lung damage if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. |
| UN IDs | UN 2618 3/PG 3 |
| WGK Germany | 3 |
| RTECS | WL5076000 |
| TSCA | Yes |
| HS Code | 29029050 |
| Hazard Class | 3 |
| Packing Group | III |
p-Methylstyrene - Reference Information
| LogP | 3.44 at 25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| category | flammable liquid |
| toxicity grade | moderate |
| Acute toxicity | oral-mouse LD50: 2255 mg/kg; Oral-mouse LD50: 1072 mg/kg |
| explosive hazard characteristics | explosive when mixed with air |
| flammability hazard characteristics | open flame, combustible heat and oxidant; Combustion emission stimulus smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is light and light-discharged, and stored separately from oxidants and acids; not easy to store for a long time to prevent aggregation |
| extinguishing agent | water mist, foam, sand, carbon dioxide, 1211 extinguishing agent |
| Occupational Standard | TWA 120 mg/m3 |
| spontaneous combustion temperature | 959 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:10
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View History
p-Methylstyrene
乙丙橡胶
Lysine Impurity 12
17217-83-3
间溴苯乙炔
益肝灵
甲酸甲酯 蚁酸甲酯
1-(2-DIMETHYLAMINOETHYL)-1H-TETRAZOLE-5-THIOL
布特萨
戊四氮
乙丙橡胶
Lysine Impurity 12
17217-83-3
间溴苯乙炔
益肝灵
甲酸甲酯 蚁酸甲酯
1-(2-DIMETHYLAMINOETHYL)-1H-TETRAZOLE-5-THIOL
布特萨
戊四氮