Name | 4,4'-Bis(hydroxymethyl)biphenyl |
Synonyms | 4,4'-BISBENZYL ALCOHOL 4,4'-BIPHENYLDIMETHANOL 4,4'-Biphenyldimethanol DIPHENYL-4,4'-DIMETHANOL 4,4'-Bis(hydroxymethyl)biphenyl 4,4'-BIS(HYDROXYMETHYL)BIPHENYL [1,1ˊ-biphenyl] 4,4ˊ-dimethanol (4'-HYDROXYMETHYL-BIPHENYL-4-YL)-METHANOL |
CAS | 1667-12-5 |
InChI | InChI=1/C14H14O2/c15-9-11-1-5-13(6-2-11)14-7-3-12(10-16)4-8-14/h1-8,15-16H,9-10H2 |
Molecular Formula | C14H14O2 |
Molar Mass | 214.26 |
Density | 1.174g/cm3 |
Melting Point | 191-192℃ |
Boling Point | 416.3°C at 760 mmHg |
Flash Point | 204.6°C |
Vapor Presure | 1.12E-07mmHg at 25°C |
pKa | 14.01±0.10(Predicted) |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.616 |
Physical and Chemical Properties | Melting point 191-192°C. |
Hazard Symbols | Xi - Irritant |
Risk Codes | 41 - Risk of serious damage to eyes |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. |
4,4 '- dihydroxymethylbiphenyl (also known as resorcinol) is an organic compound. The following is an introduction to its properties, uses, manufacturing methods, and safety information:
Nature:
-Appearance: colorless or yellowish crystal;
-Solubility: Soluble in organic solvents such as ethanol, acetone and dichloromethane, slightly soluble in water.
Use:
-Antioxidant: 4,4 '-Bis(hydroxymethyl)biphenyl as a powerful antioxidant, commonly used in rubber, plastics, tires, adhesives and other industrial products, can extend its service life;
-Photopolymerization agent: Due to its bridging structure, 4,4 '-Bis(hydroxymethyl)biphenyl can act as a crosslinking agent in the photopolymerization reaction, it is widely used in the preparation of certain polymeric materials.
Preparation method:
The preparation of 4,4 '-Bis(hydroxymethyl)biphenyl is usually carried out by the condensation reaction of phthalic dianhydride and formaldehyde. The specific steps are as follows:
-Dissolve phthalic dianhydride in an appropriate solvent and gradually add formaldehyde;
-Reaction at low temperature, stirring the reaction system;
-filtration of solid precipitates, removal of impurities in chemical washing;
-The solid product is washed with an appropriate solvent to give pure 4,4 '-Bis(hydroxymethyl)biphenyl.
Safety Information:
- 4,4 '-Bis(hydroxymethyl)biphenyl is relatively stable under normal conditions, but may react dangerously at high temperature, high pressure or in contact with strong oxidants, these conditions need to be avoided;
-It is a flammable compound and should be stored in a cool, dry place, and away from fire and sparks;
-use the process should wear appropriate protective equipment, such as gloves, goggles and protective clothing, to avoid direct contact with the skin and eyes;
-If inhaled or ingested, seek medical attention immediately.