biphenyl,4-phenyl
p-Terphenyl
CAS: 92-94-4
Molecular Formula: C18H14
biphenyl,4-phenyl - Names and Identifiers
| Name | p-Terphenyl |
| Synonyms | santowaxp Santowax P p-Triphenyl p-Terphenyl p-terphenyle para-terphenyl 4-Phenylbiphenyl biphenyl,4-phenyl 1,4-Diphenylbenzene diphenyl-1,4benzene |
| CAS | 92-94-4 |
| EINECS | 202-205-2 |
| InChI | InChI=1/C18H14/c1-3-7-15(8-4-1)17-11-13-18(14-12-17)16-9-5-2-6-10-16/h1-14H |
| InChIKey | XJKSTNDFUHDPQJ-UHFFFAOYSA-N |
biphenyl,4-phenyl - Physico-chemical Properties
| Molecular Formula | C18H14 |
| Molar Mass | 230.3 |
| Density | 1.23 |
| Melting Point | 212-213°C(lit.) |
| Boling Point | 389°C(lit.) |
| Flash Point | 207 °C |
| Water Solubility | practically insoluble |
| Vapor Density | 7.95 (vs air) |
| Appearance | White crystal |
| Color | White to slightly beige |
| Exposure Limit | NIOSH: IDLH 500 mg/m3; Ceiling 0.5 ppm(5 mg/m3) |
| Maximum wavelength(λmax) | ['276nm(Cyclohexane)(lit.)'] |
| BRN | 1908447 |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.5500 (estimate) |
| MDL | MFCD00003061 |
| Physical and Chemical Properties | white to white crystal or powder |
| Use | Used in organic synthesis, as organic scintillation reagent, is the luminescence of scintillation counter; Mixed with biphenyl and so on can be used as heat carrier of nuclear power plant |
biphenyl,4-phenyl - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R37/38 - Irritating to respiratory system and skin. R36 - Irritating to the eyes R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37 - Wear suitable gloves. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | WZ6475000 |
| TSCA | Yes |
| HS Code | 29029090 |
biphenyl,4-phenyl - Introduction
Insoluble in water and soluble in hot benzene, slightly soluble in ether and carbon disulfide. Extremely soluble in ethanol and acetic acid. Sublimation at 407 ℃.
Last Update：2022-10-16 17:30:11
biphenyl,4-phenyl - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | used in organic synthesis; As an organic scintillation reagent, it is a luminescent substance of a scintillation counter; the mixture with biphenyl and the like can be used as a heat carrier for a nuclear power plant. liquid crystals, pharmaceutical intermediates, scintillation reagent |
| production method | can be industrially separated from the by-products of biphenyl production, and the sublimation method is better. |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LDL0: 500 mg/kg; |
| flammability hazard characteristics | flammable; Spicy and irritating smoke released from fire scene |
| storage and transportation characteristics | 1. Keep the container closed. 2. Store in a cool, dry place. |
| fire extinguishing agent | water spray, dry chemical powder, alcohol foam, carbon dioxide, Polymeric foam? I |
| Occupational Standard | TWA 5 mg/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:12
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