Name | 1,2,4,5-Tetramethylbenzene |
Synonyms | Durene 2,5-dimethyl-p-xylen 1,2,4,5-Tetramethylbenzene 1,2,4,5-tetramethyl-benzen Durene,1,2,4,5-Tetramethylbenzene 1,2,4,5-TETRAMETHYLBENZENE (DURENE) 1,2,4,5-Tetramethylbenzene (Durene) 1,2,4,5-Tetramethylbenzene,1,2,4,5-Tetramethylbenzene, Durene |
CAS | 95-93-2 |
EINECS | 202-465-7 |
InChI | InChI=1/C10H14/c1-7-5-9(3)10(4)6-8(7)2/h5-6H,1-4H3 |
Molecular Formula | C10H14 |
Molar Mass | 134.22 |
Density | 0.838g/mLat 25°C(lit.) |
Melting Point | 78 °C |
Boling Point | 196-197 °C |
Flash Point | 165°F |
Water Solubility | insoluble |
Solubility | 0.00348g/l |
Vapor Presure | 160 mm Hg ( 140 °C) |
Vapor Density | 4.6 (vs air) |
Appearance | neat |
Specific Gravity | 0.838 |
Color | White to Almost white |
Merck | 14,3468 |
BRN | 1903393 |
Storage Condition | Flammables area |
Refractive Index | 1.5093 |
Physical and Chemical Properties | White monoclinic crystal. Melting point 79.2 ℃, boiling point 196.8 ℃, relative density 0.8918, flash point 73 ℃. Soluble in ethanol, ether, benzene, insoluble in water. |
Use | It is the most ideal raw material for the oxidation of pyromellitic anhydride |
Risk Codes | R11 - Highly Flammable R53 - May cause long-term adverse effects in the aquatic environment R50 - Very Toxic to aquatic organisms |
Safety Description | S16 - Keep away from sources of ignition. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
UN IDs | UN 1325 4.1/PG 2 |
WGK Germany | 1 |
RTECS | DC0500000 |
TSCA | Yes |
HS Code | 29029080 |
Hazard Class | 4.1 |
Packing Group | III |
Toxicity | LD50 orally in Rabbit: 6700 mg/kg |
white monoclinic crystals. Melting point 79.2 °c. Boiling point 196.8 °c. The relative density was 0.8918. Flash point 73. Soluble in ethanol, ether, benzene, insoluble in water.
mainly used for the preparation of pyromellitic dianhydride, also used in the production of polyimide resin, dyes, plasticizers, surfactants and so on.