4,4'-Thiobis-phenol
Synonym(s):4,4′-Thiodiphenol, 4,4′-Dihydroxyphenyl sulfide;4-Hydroxyphenyl sulfide;Bis(4-hydroxyphenyl)sulfide;TDP
- CAS NO.：2664-63-3
- Empirical Formula: C12H10O2S
- Molecular Weight: 218.27
- MDL number: MFCD00002349
- EINECS: 220-197-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-04 16:00:12
What is 4,4'-Thiobis-phenol ?
Chemical properties
White, crystalline powder.
The Uses of 4,4'-Thiobis-phenol
4,4'-thiobis-phenol can be applied to produce a non-halogen type epoxy (meth)acrylate resin having high refractive index, transparency and thermal stability. It is also used to produce a non-systemic organophosphorus insecticide TEMEPHOS.
The Uses of 4,4'-Thiobis-phenol
Intermediate, flame-retardant, antioxidant, engineering plastics.
Definition
ChEBI: 4,4'-thiodiphenol is a member of phenols. It derives from a hydride of a diphenyl sulfide.
Properties of 4,4'-Thiobis-phenol
| Melting point: | 154-156 °C (lit.) |
| Boiling point: | 328.96°C (rough estimate) |
| Density | 1.2618 (rough estimate) |
| refractive index | 1.5200 (estimate) |
| storage temp. | Store below +30°C. |
| Water Solubility | Insoluble in water |
| form | Crystalline Powder |
| pka | 9.31±0.26(Predicted) |
| color | White to pale brown |
| Sensitive | Air Sensitive |
| BRN | 2050739 |
| CAS DataBase Reference | 2664-63-3(CAS DataBase Reference) |
| NIST Chemistry Reference | 4-4' Thio diphenol(2664-63-3) |
| EPA Substance Registry System | Phenol, 4,4'-thiobis- (2664-63-3) |
Safety information for 4,4'-Thiobis-phenol
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 4,4'-Thiobis-phenol
| InChIKey | VWGKEVWFBOUAND-UHFFFAOYSA-N |
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