Benzene, diethyl-
Diethylbenzene (mixture)
CAS: 25340-17-4
Molecular Formula: C10H14
Benzene, diethyl- - Names and Identifiers
| Name | Diethylbenzene (mixture) |
| Synonyms | DEB diethylbenzol diethyl-benzen Diethylbenzene DIETHYLBENZENE Benzene,diethyl- Benzene, diethyl- Diethylbenzene (mixture) DIETHYLBENZENE CONCENTRATE Diethylbenzenemixedisomers Diethylbenzene,mixedisomers Diethylbenzene, mixed isomers Diethylbenzene, mixture of o-, m- and p-isomers, sum min. 1,2-diethylbenzene, 1,3-diethylbenzene, 1,4-diethylbenzene |
| CAS | 25340-17-4 |
| EINECS | 246-874-9 |
| InChI | InChI=1/3C10H14/c1-3-9-5-7-10(4-2)8-6-9;1-3-9-6-5-7-10(4-2)8-9;1-3-9-7-5-6-8-10(9)4-2/h3*5-8H,3-4H2,1-2H3 |
Benzene, diethyl- - Physico-chemical Properties
| Molecular Formula | C10H14 |
| Molar Mass | 134.22 |
| Density | 0.87 g/mL at 25 °C (lit.) |
| Melting Point | -31°C(lit.) |
| Boling Point | 180-182 °C (lit.) |
| Flash Point | 134°F |
| Water Solubility | INSOLUBLE |
| Vapor Presure | 0.99 mm Hg ( 20 °C) |
| Vapor Density | ~4.6 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless to light yellow |
| Odor | Characteristic aromatic; like benzene; like toluene, |
| BRN | 1903396 |
| Storage Condition | Room Temprature |
| Explosive Limit | 5% |
| Refractive Index | n20/D 1.495(lit.) |
| MDL | MFCD00792900 |
| Physical and Chemical Properties | Colorless liquid, industrial product is a mixture of adjacent, intermediate and para isomers, boiling range 179.8-184.8 ℃. The relative density of 0.865(25/25 deg C), the refractive index of 1.4960. Flash point 56.6 °c. Soluble in benzene, carbon tetrachloride, alcohol, ether, insoluble in water. |
| Use | For the production of styrene, pharmaceuticals and solvents |
Benzene, diethyl- - Risk and Safety
| Risk Codes | R38 - Irritating to the skin R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R65 - Harmful: May cause lung damage if swallowed R36/38 - Irritating to eyes and skin. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24 - Avoid contact with skin. S60 - This material and its container must be disposed of as hazardous waste. |
| UN IDs | UN 2049 3/PG 3 |
| WGK Germany | 2 |
| RTECS | CZ5600000 |
| TSCA | Yes |
| HS Code | 29029090 |
| Hazard Class | 3.2 |
| Packing Group | III |
Benzene, diethyl- - Upstream Downstream Industry
| Raw Materials | Ethylene |
| Downstream Products | Divinyl Benzene |
Benzene, diethyl- - Reference Information
| LogP | 3.72 at 20℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Uses | Divinylbenzene obtained by dehydrogenation of diethylbenzene is a crosslinking agent of polystyrene resin, and is also used as an intermediate in ion exchange resin and other organic synthesis, and can also be used as a solvent. P-diethylbenzene is a backwash agent for polyester raw material refined p-xylene adsorption bed. used to produce styrene, medicine and solvents, etc. |
| production method | diethylbenzene is a by-product of ethylbenzene production in industry. at present, a large amount of ethylbenzene is obtained by alkylation of benzene and ethylene, and a small amount of ethylbenzene is obtained by separating the mixed xylene fraction. Industrial diethylbenzene, in which the ortho position is about 9.4%, the meta position is 61.5%, and the para position is 29.1%. |
| category | combustible items |
| toxicity classification | poisoning |
| acute toxicity | oral-rat LDL0: 5000 mg/kg |
| stimulation data | skin-rabbit 100% moderate; Eye-rabbit 88 mg mild |
| explosive hazard characteristics | blastable when mixed with air |
| flammability hazard characteristics | combustible in case of open flame, high temperature and strong oxidant; Combustion emission stimulates smoke |
| storage and transportation characteristics | complete packaging, light loading and unloading; warehouse ventilation, away from open flames, high temperature, separate storage from oxidant |
| fire extinguishing agent | foam, dry powder, carbon dioxide, sand |
| occupational standard | STEL 10 mg/m3 |
Last Update：2024-04-09 02:00:07
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View History
Raw Materials for Benzene, diethyl-
Downstream Products for Benzene, diethyl-