Agent Name |
Butylated hydroxytoluene |
Alternative Name |
2,6-Di-tert-butyl-p-cresol |
CAS Number |
128-37-0 |
Formula |
C15-H24-O |
Major Category |
Other Classes |
Synonyms |
Ionol CP-antioxidant; 1-Hydroxy-4-methyl-2,6-di-tert-butylbenzene; 2,6-Bis(1,1-dimethylethyl)-4-methylphenol; 2,6-Di-t-butyl-4-methylphenol; 2,6-Di-t-butyl-p-cresol; 2,6-Di-terc.butyl-p-kresol [Czech]; 2,6-Di-tert-butyl-1-hydroxy-4-methylbenzene; 2,6-Di-tert-butyl-4-cresol; 2,6-Di-tert-butyl-4-hydroxytoluene; 2,6-Di-tert-butyl-4-methylhydroxybenzene; 2,6-Di-tert-butyl-4-methylphenol; 2,6-Di-tert-butyl-p-cresol; 2,6-Di-tert-butyl-p-methylphenol; 3,5-Di-tert-butyl-4-hydroxytoluene; 4-Hydroxy-3,5-di-tert-butyltoluene; 4-Methyl-2,6-di-terc. Butylfenol [Czech]; 4-Methyl-2,6-di-tert-butylphenol; 4-Methyl-2,6-tert-butylphenol; AO 29; AO 4; AO 4K; AOX 4; AOX 4K; Advastab 401; Agidol; Agidol 1; Alkofen BP; Antioxidant 264; Antioxidant 29; Antioxidant 30; Antioxidant 4; Antioxidant 4K; Antioxidant DBPC; Antioxidant KB; Antioxidant MPJ; Antioxidant T 501; Antox QT; Antrancine 8; BAT; BHT; BHT (food grade); BHT 264; BUKS; Butylated hydroxytoluene; Butylated hydroxytoluol; Butylhydroxytoluene; Butylohydroksytoluenu [Polish]; CAO 1; CAO 3; Catalin antioxydant 1; Catalin cao-3; Chemanox 11; DBPC; DBPC (technical grade); Dalpac; Deenax; Di-tert-butyl-p-cresol; Di-tert-butyl-p-cresol (VAN); Di-tert-butyl-p-methylphenol; Dibunol; Dibutylated hydroxytoluene; Impruvol; Ionol; Ionol (antioxidant); Ionol 1; Ionol CP; Ionole; Kerabit; Nocrac 200; Nonox TBC; P 21; P21; Parabar 441; Paranox 441; Phenol, 2,6-bis(1,1-dimethylethyl)-4-methyl-; Stavox; Sumilizer BHT; Sustane; Sustane BHT; Swanox BHT; Tenamen 3; Tenamene 3; Tenox BHT; Tonarol; Topanol; Topanol O; Topanol OC; Toxolan P; Vanlube PC; Vanlube PCX; Vianol; Vulkanox KB; o-Di-tert-butyl-p-methylphenol; [ChemIDplus] |
Category |
Other Organic Compounds |
Description |
White to pale-yellow, crystalline solid with a slight, phenolic odor; (food preservative); [NIOSH] |
Sources/Uses |
Used as an anti-oxidant in gasoline, oils, waxes, rubbers, paints, and plastics; purified forms are used as anti-oxidants in foods; [ACGIH] Used as an "anti-skinning agent in paints and inks"; [Merck Index] |
Comments |
BHT is a preservative and anti-oxidant used in food, cosmetics, and medications. Industrial applications include: animal feeds, jet fuels, rubber, plastics, paints, and glues. Despite its widespread use, BHT is a rare skin sensitizer. [Marks, p. 138-9] Can cause contact urticaria; [Kanerva 2004, p. 103] May have effects on the liver; [ICSC] |
Exposure Assessment |
Skin Designation (ACGIH) |
No |
TLV (ACGIH) |
2 mg/m3, inhalable fraction and vapor |
MAK |
20 mg/m3, inhalable fraction |
Vapor Pressure |
0.01 mm Hg |
Explanatory Notes |
Flash point = 260 deg F; |
Flammability (NFPA) |
1: must be preheated |
Adverse Effects |
Skin Sensitizer |
Yes |
Hepatotoxin |
Hepatotoxin, Secondary |
Links to Other NLM Databases |
Health Studies |
Human Health Effects from Hazardous Substances Data Bank: 2,6-DI-T-BUTYL-P-CRESOL
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