4,4′-Thiobis-phenol
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Category：Pharmaceutical Materials Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
CAS Number: 2664-63-3
Molecular Formula: C12H10O2S
Molecular Weight: 218.27
Appearance: White crystalline powder
Application: Used as an intermediate in organic synthesis.
| Attribute | Details |
|---|---|
| CAS Number | 2664-63-3 |
| Chemical Name | 4.4′-Dihydroxydiphenyl sulfide or 4.4′-Thiodiphenol |
| Synonyms | 4.4′-Dihydroxy-diphenylsulphide; 4.4′-Thiobisphenol; Bis(4-hydroxyphenyl) sulfide; 4.4′-Diphenyl sulfide diol; 4.4′-Thiodiphenol (9CI); Phenol, 4.4′-thiobis- |
| Molecular Formula | C12H10O2S |
| Molecular Weight | 218.27 g/mol |
| Appearance | White crystalline powder or flakes |
| Melting Point | Approximately 154-156°C |
| Boiling Point | 452.7°C at 760 mmHg |
| Density | 1.37 g/cm³ |
| Flash Point | 219.7°C |
| Solubility | Soluble in organic solvents |
| Chemical Properties | 4.4′-Dihydroxydiphenyl sulfide is an organic compound with two hydroxy groups and a thioether linkage between two phenyl rings. It exhibits properties typical of aromatic thioethers, including stability and reactivity towards electrophiles and nucleophiles. |
| Applications | It serves as an important intermediate in the synthesis of various chemicals, including high refractive index epoxy (acrylic) resins used in optical lenses and transparent films for electronic devices. It is also a key intermediate in the production of organic phosphorus insecticides, such as thiodiphosphoric acid esters. |
| Safety Information | May cause skin and eye irritation. Handle with caution and avoid contact with skin and eyes. Wear appropriate protective clothing and eye protection. Store in a cool, dry place away from incompatible materials and oxidizing agents. |
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