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4,4'-Thiobis-phenol

Basic information Safety Supplier Related

4,4'-Thiobis-phenol Basic information

Product Name:
4,4'-Thiobis-phenol
Synonyms:
  • 4-Hydroxyphenyl sulfide, TDP
  • 4,4'-Thiodbisphenol
  • fine cheMical interMediate
  • 4,4'-Thiobis-phenol 4-Hyd
  • interMediate coMpound
  • bis(4-oxyphenyl)sulfide
  • Bis(p-hydroxhphenyl) sulfide
  • DFS
CAS:
2664-63-3
MF:
C12H10O2S
MW:
218.27
EINECS:
220-197-9
Product Categories:
  • intermediate compound
  • Biochemistry
  • Color Former & Related Compounds
  • Developer
  • Diphenyl Sulfides (for High-Performance Polymer Research)
  • Functional Materials
  • Reagent for High-Performance Polymer Research
  • Reagents for Oligosaccharide Synthesis
  • chemical additive
  • fine chemical intermediate
  • pharmaceutical intermediate
  • pharmaceutical intermediates
Mol File:
2664-63-3.mol
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4,4'-Thiobis-phenol Chemical Properties

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
pka
9.31±0.26(Predicted)
form 
Crystalline Powder
color 
White to pale brown
Sensitive 
Air Sensitive
BRN 
2050739
InChIKey
VWGKEVWFBOUAND-UHFFFAOYSA-N
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)
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Safety Information

Hazard Codes 
C
Risk Statements 
34
Safety Statements 
26-27-36/37/39-45
RIDADR 
UN 3261 8/PG 2
WGK Germany 
2
RTECS 
SN0800000
TSCA 
Yes
HazardClass 
8
PackingGroup 
II
HS Code 
29309070
Toxicity
LD50 orally in Rabbit: 3362 mg/kg LD50 dermal Rabbit > 10250 mg/kg

MSDS

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4,4'-Thiobis-phenol Usage And Synthesis

Chemical Properties

White, crystalline powder.

Uses

Intermediate, flame-retardant, antioxidant, engineering plastics.

Uses

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.

Definition

ChEBI: 4,4'-thiodiphenol is a member of phenols. It derives from a hydride of a diphenyl sulfide.

4,4'-Thiobis-phenol Supplier

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