4,4′-Thiodiphenol , 98% , 2664-63-3

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

PRODUCT 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)

Description and 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.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H319
• Precautionary statements: P264-P280-P305+P351+P338-P337+P313
• 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
• Limited Quantities: 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)