4,4′-dihydroxy-3,3′,5,5′-tetramethyl-biphenyl CAS 2417-04-1
2417-04-1 – Names and Identifiers
Name
4,4′-dihydroxy-3,3′,5,5′-tetramethyl-biphenyl
Synonyms
TMDHB
GS3000,TMDE
4,4′-Bi(2,6-dimethylphenol)
2,2′,6,6′-...
Category：Other Chemicals
Introduction
2417-04-1 – Names and Identifiers
| Name | 4,4′-dihydroxy-3,3′,5,5′-tetramethyl-biphenyl |
| Synonyms | TMDHB GS3000,TMDE 4,4′-Bi(2,6-dimethylphenol) 2,2′,6,6′-Tetramethylbiphenol 2,2′,6,6′-tetramethyl-4,4′-biphenol 2,2′,6,6′-Tetramethyl-4,4′-biphenol 3,3,5,5-Tetramethylbiphenyl-4,4-diol 3,3′,5,5′-Tetramethyl-4,4′-biphenyldiol 3,3′,5,5′-tetramethyl-4,4′-dihydroxybiphenyl 4,4′-dihydroxy-3,3′,5,5′-tetramethyl-biphenyl 1′-biphenyl]-4,4′-diol,3,3′,5,5′-tetramethyl-[ 3,3′,5,5′-TETRAMETHYL [1,1′-BIPHENYL] 4,4′-DIOL 4-(4-Hydroxy-3,5-dimethyl-phenyl)-2,6-dimethyl-phenol |
| CAS | 2417-04-1 |
| InChI | InChI=1/C16H18O2/c1-9-5-13(6-10(2)15(9)17)14-7-11(3)16(18)12(4)8-14/h5-8,17-18H,1-4H3 |
2417-04-1 – Physico-chemical Properties
| Molecular Formula | C16H18O2 |
| Molar Mass | 242.31 |
| Density | 1.0537 (rough estimate) |
| Melting Point | 222-225°C(lit.) |
| Boling Point | 345.14°C (rough estimate) |
| Flash Point | 162.4°C |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 1.62E-05mmHg at 25°C |
| Appearance | Solid |
| Color | Pale Beige to Light Beige |
| pKa | 10.22±0.40(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.6000 (estimate) |
| Physical and Chemical Properties | Appearance off-white powder melting point 223.0-230.0 ℃ content ≥ 98.5%(LC) volatile ≤ 0.3% ash ≤ 0.5% |
| Use | Synthesis of phenol-oxygen resin. Phenolic resin is mainly involved in blending, used as a modifier of plastics, adhesives, coatings and other resins, in the electronic computer parts, electrical instrument parts and food or drug hard packaging and other aspects of a wide range of applications. With 3, 3 ‘, 5, 5’-tetramethyl-4, 4 ‘-biphenol as monomer, The phenoxy resin containing biphenyl structure was prepared, the glass transition temperature of the polymer can be effectively increased. Synthesis of 3,3 ‘,5,5’-tetramethylbiphenol diglycidyl ether. |
2417-04-1 – Risk and Safety
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R40 – Limited evidence of a carcinogenic effect |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. S22 – Do not breathe dust. |
2417-04-1 – Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | antioxidant. |
