Name | 4,4'-Biphenol |
Synonyms | PPDP p,p-Diphenol 4,4-Biphenol p,p-Biphenol 4,4'-Biphenol 4,4-Biphenyldiol Biphenyl-4,4-diol 4,4-Dihydroxybiphenyl 4,4'-Dihydroxybiphenyl 4,4-Dihydroxy Diphenyl |
CAS | 92-88-6 |
EINECS | 202-200-5 |
InChI | InChI=1/C12H10O2/c13-11-5-1-9(2-6-11)10-3-7-12(14)8-4-10/h1-8,13-14H |
Molecular Formula | C12H10O2 |
Molar Mass | 186.21 |
Density | 1.22 |
Melting Point | 278-283℃ |
Boling Point | 280.69°C (rough estimate) |
Water Solubility | sparingly soluble |
Solubility | Easily soluble in ether, ethanol, ethyl acetate, acetone and sodium hydroxide, insoluble in gasoline, carbon tetrachloride and water |
Appearance | Shape Powder, color Off-white to light beige or light gray |
pKa | 9.74±0.26(Predicted) |
Storage Condition | Sealed in dry,Room Temperature |
Sensitive | Sensitive to light |
Refractive Index | 1.6010 (estimate) |
MDL | MFCD00002348 |
Physical and Chemical Properties | melting point 278-283°C water-soluble sparingly soluble |
Use | Used as rubber and latex antioxidant, can be used for light-colored rubber products, food packaging glue and medical latex products |
Hazard Symbols | Xn - Harmful |
Risk Codes | R21 - Harmful in contact with skin R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S24/25 - Avoid contact with skin and eyes. |
UN IDs | 3077 |
WGK Germany | 2 |
RTECS | DV4725000 |
TSCA | Yes |
HS Code | 29061900 |
Hazard Class | 9 |
Packing Group | III |
Toxicity | LD50 orl-rat: 9850 mg/kg TXAPA9 28,313,74 |
Reference Show more | 1. Liang Hongxuan, Liu Xinxin, Bai Jialei, et al. Detection of three kinds of hormone pollutants by aptamer fluorescence sensor based on multi-color upconversion nanomaterials [J]. Journal of Preventive Medicine of PLA, 2020(2). 2. Li Qifeng, Ren Shuyue, Wang Yu, Bai Jialei, Peng Yuan, Ning Baoan, Lu Quan-jun, Gao Zhixian. Efficient detection of environmental estrogens bisphenol A and estradiol based on AuNP-AuNP-UCNP triplet sensing system [J]. Journal of Analytical Chemistry, 2018,46(04):486-492. 3. LI et al Qiao-Feng [IF = 1.134]. "Effective Detection of Environmental Estrogens Bisphenol A and Estradiol By Sensing System Based on AuNP-AuNP-UCNP Triple Structure." Chinese J Anal Chem. 2018 Apr;46:486 |
Introduction
4,4 & prime;-Biphenedicol is white scaly crystal or crystalline powder. It is a polymer intermediate with high melting boiling point and strong heat resistance. It can be used as rubber antioxidant and plastic antioxidant, petroleum product stabilizer, etc.
application
4,4 & prime;-Bifediol is widely used in the chemical industry to prepare engineering composite materials with excellent performance due to its good heat resistance, no pollution, anti-oxidation and anti-aging effects. Modified monomers such as polyester, polyurethane, polyphenylene sulfone, epoxy resin, etc., as well as rubber and latex, especially light-colored vulcanized rubber products, food packaging adhesives and medical latex products; in addition, 4,4 & prime;-Biphenyldiphenol can also be used as a dye intermediate, can synthesize photosensitive materials, etc.
category
Toxic substances
Toxicity classification
Highly toxic
Acute toxicity
abdominal cavity-mouse LD50: 100 mg/kg; Oral administration-rat LD50: 9850 mg/kg
flammability hazard characteristics
Combustible; combustion produces stimulating smoke
storage and transportation features
The warehouse is ventilated and dry at low temperature; stored separately from food ingredients
Fire extinguishing agent
Dry powder, foam, sand, carbon dioxide, mist water
BRN | 1908886 |
NIST chemical information | p,p'-Biphenol(92-88-6) |
EPA chemical information | 4,4'-Biphenyldiol (92-88-6) |