4,4'-Biphenol 92-88-6 Large in promotion CAS NO.92-88-6

Synonyms: (1,1’-Biphenyl)-4,4’-diol;[1,1’-biphenyl]-4,4’-diol;[1,1'-Biphenyl]-4,4'-diol;4,4’-bisphenol;4,4'-Dihydroxy-1,1'-biphenyl;4,4'-Dioxydiphenyl;Antioxidant DOD;antioxidantdod
CAS: 92-88-6
MF: C12H10O2
MW: 186.21
EINECS: 202-200-5
Product Categories: Industrial/Fine Chemicals;Biphenyl derivatives;Biphenyl & Diphenyl ether;Phenoles and thiophenoles;Biphenyls (for High-Performance Polymer Research);Color Former & Related Compounds;Developer;Functional Materials;Reagent for High-Performance Polymer Research
Mol File: 92-88-6.mol
4,4'-Biphenol Structure
4,4'-Biphenol Chemical Properties
Melting point  280-282 °C(lit.)
density  1.22
storage temp.  2-8°C
Water Solubility  sparingly soluble
BRN  1908886
CAS DataBase Reference 92-88-6(CAS DataBase Reference)
NIST Chemistry Reference p,p'-Biphenol(92-88-6)
EPA Substance Registry System [1,1'-Biphenyl]- 4,4'-diol(92-88-6)
Safety Information
Hazard Codes  Xn
Risk Statements  21-36/37/38-37/38/68-36
Safety Statements  26-36-24/25-36/37
WGK Germany  2
RTECS  DV4725000
TSCA  Yes
HS Code  29061900

Chemical Properties Powder
Uses Intermediates of Liquid Crystals
Uses 4,4'-biphenol be used intermediate liquid crystal polymers raw materials. Synthetic polymers, due to its excellent heat resistance, it is used as polyester, urethane modified monomer, polycarbonate, polysulfone, and epoxy resin, for the manufacture of an excellent engineering plastics and composite materials. Antioxidant antioxidants for rubber and plastics. Dye intermediates or petroleum products stabilizer.
Definition ChEBI: A member of the class of hydroxybiphenyls that is biphenyl with hydroxy groups at positions 4 and 4'.

Physical and Chemical Properties Back to Contents
【Appearance】

Off-white solid.
【Appearance】

White crystalline powder.
【Solubility in water】

Insoluble
【Solubility in water】

Soluble
【Melting Point】

100 - 103
【Boiling Point】

237
【Boiling Point】

355
【Vapor Pressure】

2E-5 (25 C)
【Vapor Pressure】

0.0084 (25 C)
【Density】

1.147 g/cm3 (24 C)
【Density】

1.25 g/cm3
【pKa/pKb】

9.28
【Partition Coefficient】

.15
【Partition Coefficient】

2.42
【Heat Of Vaporization】

55.0 kJ/mol
【Heat Of Vaporization】

62.4 kJ/mol
First Aid Measures Back to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Inhalation】

May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】

May cause skin irritation.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

May cause eye irritation.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
【Eyes】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and Storage Back to Contents
【Storage】

Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Storage】

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Wash clothing before reuse.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.