Product

4,4'-Thiobis-phenol

CAS No.：2664-63-3

Other grades of this product :

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

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)

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 Information

Provider	Language
4,4'-Thiobis-phenol	English
SigmaAldrich	English
ALFA	English

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.

4,4'-Thiobis-phenol Preparation Products And Raw materials

Preparation Products

4-Mercaptophenol-->BIS(4-HYDROXYPHENYL)DISULFIDE

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