Agent Name

m-Cresol, 4,4'-butylidenebis(6-tert-butyl-

Alternative Name

Santowhite powder

CAS Number

85-60-9

Formula

C26-H38-O2

Major Category

Plastics & Rubber

Synonyms

Santowhite powder; 1,1-Bis(2-methyl-4-hydroxy-5-tert-butylphenyl)butane; 4,4'-Butylidene bis(6-tert-butyl-3-methylphenol); 4,4'-Butylidenebis(3-methyl-6-tert-butylphenol); 4,4'-Butylidenebis(6-tert-butyl-m-cresol); Annulex PBA 15; Antage W300; Anullex PBA 15; BBM; Noclizer NS 30; Phenol, 4,4'-butylidenebis(2-(1,1-dimethylethyl)-5-methyl-; SWP; SWP (VAN); SWP (antioxidant); Santowhite; Santowhite powder; Sumilit BBM; Sumilizer BBM; Sumilizer BBM-S; Yoshinox BB; 6,6'-Di-tert-butyl-4,4'-butylidenedi-m-cresol; [ChemIDplus]

Category

Rubber Additives

Description

White solid; [HSDB] White to off-white powder; [MSDSonline]

Sources/Uses

Used as antioxidant for natural and synthetic rubber and latex; [HSDB]

Comments

Oral LDLo (rat) = 17,000 mg/kg; Effects included somnolence, altered food intake, and gastritis; [RTECS] Acute and long term feeding studies of rats: liver effects including hyperemia, increased weight, and hepatocellular necrosis; [eChemPortal: HPVIS] May cause irritation; May have effects on the liver and lymph nodes, based on animal studies; [MSDSonline]

Exposure Assessment
Vapor Pressure

5.26E-11 mm Hg

Adverse Effects
Hepatotoxin

Hepatotoxin, Secondary

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Other Information

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