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 |
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.) |
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 |
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) |