Name | 4,4'-Biphenyldicarbonitrile |
Synonyms | 4,4'-Bibenzonitrile TIMTEC-BB SBB008455 4,4'-Dicyanobiphenyl 4,4'-Biphenyldicarbonitrile biphenyl-4,4'-dicarbonitrile 4-(4-cyanophenyl)benzenecarbonitrile |
CAS | 1591-30-6 |
EINECS | 216-468-6 |
InChI | InChI=1/C14H8N2/c15-9-11-1-5-13(6-2-11)14-7-3-12(10-16)4-8-14/h1-8H |
Molecular Formula | C14H8N2 |
Molar Mass | 204.23 |
Density | 1.2g/cm3 |
Melting Point | 236-236℃ |
Boling Point | 403.5°C at 760 mmHg |
Flash Point | 199.2°C |
Water Solubility | Insoluble in water. |
Vapor Presure | 1.02E-06mmHg at 25°C |
Appearance | Morphological Solid |
BRN | 1869917 |
Storage Condition | 2-8℃ |
Refractive Index | 1.631 |
MDL | MFCD00013805 |
Physical and Chemical Properties | EPA Chemical Information [1,1-Biphenyl]-4,4-dicarbonitrile (1591-30-6) |
Hazard Symbols | Xn - Harmful |
Risk Codes | R20/22 - Harmful by inhalation and if swallowed. |
Safety Description | S22 - Do not breathe dust. S36/37 - Wear suitable protective clothing and gloves. |
UN IDs | 3276 |
WGK Germany | 3 |
RTECS | DV2625000 |
TSCA | Yes |
Hazard Class | 6.1 |
Packing Group | III |
Toxicity | LD50 ipr-mus: 75 mg/kg NTIS** AD691-490 |
Raw Materials | 4-Hydroxy-4-biphenylcarbonitrile 4-Bromophenol 4,4-Biphenol 4-Chlorobenzonitrile |
Downstream Products | 4,4-BIPHENYLDICARBONYL CHLORIDE 4,4-Biphenyldicarboxaldehyde |
category | toxic substances |
toxicity classification | highly toxic |
acute toxicity | abdominal cavity-mouse LD50: 75 mg/kg |
flammability hazard characteristics | Combustible; combustion produces toxic nitrogen oxides and cyanide smoke |
storage and transportation characteristics | The warehouse is ventilated and dry at low temperature; stored separately from food raw materials |
fire extinguishing agent | Dry powder, foam, sand, carbon dioxide, mist water |