Antioxidant 168 CAS 31570-04-4

CAS: 31570-04-4

MF: C42H63O3P

EINECS No.: 250-709-6

Packing: 25kgs/drum

Synonym: Phenol,2,4-bis(1,1-dimethylethyl,phosphite; ANTIOXIDANT168IRGANOX168; Phenol,2,4-bis(1,1-dimethylethyl)-,phosphite(3:1;Tri(2,4-di-tert-butylphenyl)phosphite;Phenol,2,4-bis(1,1-dimethylethyl,phosphite(3:1); tri(2,4-Ditertrabutylphenyl)phosphiteester; Tris(2,4-di-tert-butylphenyl)phoshit; Doverphos-S-480

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What is Antioxidant 168 CAS 31570-04-4?

Antioxidant 168 is an excellent phosphate ester antioxidant with a white powder appearance. It is easily soluble in organic solvents such as benzene, chloroform, and cyclohexane, slightly soluble in ethanol and acetone, insoluble in polar solvents such as water and alcohol, and slightly soluble in esters. Low toxicity, low volatility, high thermal stability, excellent hydrolysis resistance, and effective decomposition of hydroperoxides generated during thermal processing of polymer materials.

Specification

Appearance		White powder
Solubility		Clear
Light transmittance(% )	425nm	≥98.0
	500nm	≥98.0
Volatile matter(wt%)		≤0.30
Melting point(℃)		183.0～187.0
Hydrolysis resistance °		Qualified
(95 C in water 5h)(h) Acid value(mgKOH/g)		≤0.30
Main content(wt%)		≥99.0
Free 2.4-di-tert-butylphenol(wt%)		≤0.20

Application

Widely used in polyolefins (such as polyethylene, polypropylene) and olefin copolymers, polyamides, polycarbonates, PS resins, PVC, engineering plastics, rubber and petroleum products, ABS resins and other polymer materials. Complex compounds can also be used for adhesives, natural or synthetic adhesive resins, etc.