CAS 2417-04-1 4,4′-dihydroxy-3,3′,5,5′-tetramethyl-biphenyl TMDE
Introduction
2417-04-1 – Names and Identifiers
| Name | 4,4′-dihydroxy-3,3′,5,5′-tetramethyl-biphenyl |
| Synonyms | TMDHB GS3000,TMDE |
| CAS | 2417-04-1 |
| InChI | InChI=1/C16H18O2/c/h5-8,17-18H,1-4H3 |
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 – 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. |
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