sym-Diphenylethane
Bibenzyl
CAS: 103-29-7
Molecular Formula: C14H14
sym-Diphenylethane - Names and Identifiers
| Name | Bibenzyl |
| Synonyms | Bibenzyl Dibenzyl 1,2-Diphenylethane sym-Diphenylethane ethane,1,2-diphenyl- (2-phenylethyl)benzene Bibenzyls-Diphenylethane 1,1'-Ethane-1,2-diyldibenzene 1,1'-ethane-1,2-diyldibenzene Bibenzyl,1,2-Diphenylethane, Dibenzyl |
| CAS | 103-29-7 |
| EINECS | 203-096-4 |
| InChI | InChI=1/C14H14/c1-3-7-13(8-4-1)11-12-14-9-5-2-6-10-14/h1-10H,11-12H2 |
sym-Diphenylethane - Physico-chemical Properties
| Molecular Formula | C14H14 |
| Molar Mass | 182.26 |
| Density | 1.014g/mLat 25°C(lit.) |
| Melting Point | 50-53°C(lit.) |
| Boling Point | 284°C(lit.) |
| Flash Point | >230°F |
| Water Solubility | PRACTICALLY INSOLUBLE |
| Solubility | Soluble in ether, carbon disulfide, hot ethanol. |
| Vapor Presure | 0.00641mmHg at 25°C |
| Appearance | Crystallization |
| Specific Gravity | 1.014 |
| Color | White to light yellow |
| Merck | 14,1198 |
| BRN | 508068 |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.5704 |
| MDL | MFCD00004796 |
| Physical and Chemical Properties | White needle-like or small patchy crystals. Melting point 52 ℃, boiling point 284 ℃,140-150 ℃(1.73kPa), flash point 129 ℃, relative density 0.9782(25/4 ℃). Soluble in chloroform, ether, carbon disulfide and amyl acetate, soluble in alcohol, almost insoluble in water. With chromium trioxide or high manganese acid to produce benzoic acid. |
| Use | The impregnating agent for power containers is also a dye Solvent for carbon-free copy paper, and can also be used as a plastic plasticizer and a high-temperature heating medium. |
sym-Diphenylethane - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36 - Irritating to the eyes |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S182.26 - |
| WGK Germany | 2 |
| RTECS | DT4375000 |
| TSCA | Yes |
| HS Code | 29029090 |
| Hazard Note | Irritant |
sym-Diphenylethane - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | solvent for organic synthesis and nitrocellulose. The impregnating agent used for power containers is also a dye solvent for carbonless carbon paper. It can also be used as a plastic plasticizer and high-temperature heating medium |
| Production method | It is obtained by the action of benzyl chloride and sodium metal. Benzyl chloride reacts with metal sodium at 160-180 ℃ for 4h to obtain benzyl. Another method is the reaction of benzyl chloride in the presence of copper, or the hydrogenation of benzoin in the presence of nickel. |
| category | flammable liquid |
| toxicity classification | poisoning |
| acute toxicity | abdominal cavity-mouse LD50: 2500 mg/kg; Intravenous-mouse LD50; 78 mg/kg |
| flammability hazard characteristics | more flammable; combustion produces stimulating smoke |
| storage and transportation characteristics | ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, mist water |
| spontaneous combustion temperature | 896 °F |
Last Update：2024-04-09 15:16:46
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