Butylated hydroxyanisole

Butylated hydroxyanisole
Names
	Preferred IUPAC name 2-tert-Butyl-4-methoxyphenol and 3-tert-butyl-4-methoxyphenol (mixture)
	Other names 2-tert-Butyl-4-hydroxyanisole and 3-tert-butyl-4-hydroxyanisole (mixture); BOA; BHA; tert-Butyl-4-hydroxyanisole; (1,1-Dimethylethyl)-4-methoxyphenol; tert-Butyl-4-methoxyphenol; Antioxyne B;
Identifiers
CAS Number	25013-16-5 ; 121-00-6 (2-tert) ; 88-32-4 (3-tert) ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:76359 ;
ChEMBL	ChEMBL502074 ;
ChemSpider	23068 ;
ECHA InfoCard	100.042.315
E number	E320 (antioxidants, ...)
PubChem CID	24667;
UNII	REK4960K2U ; A03IJ8ROOP (2-tert) ; 62RAC24292 (3-tert) ;
CompTox Dashboard (EPA)	DTXSID7020215 ;
	InChI InChI=1S/2C11H16O2/c1-11(2,3)9-7-8(13-4)5-6-10(9)12;1-11(2,3)9-7-8(12)5-6-10(9)13-4/h25-7,12H,1-4H3 Key: CZBZUDVBLSSABA-UHFFFAOYSA-N ; InChI=1/2C11H16O2/c1-11(2,3)9-7-8(13-4)5-6-10(9)12;1-11(2,3)9-7-8(12)5-6-10(9)13-4/h25-7,12H,1-4H3 Key: CZBZUDVBLSSABA-UHFFFAOYAZ;
	SMILES O(c1ccc(O)cc1C(C)(C)C)C.O(c1ccc(O)c(c1)C(C)(C)C)C;
Properties
Chemical formula	C11H16O2
Molar mass	180.247 g/mol
Appearance	Waxy solid
Density	1.0587 g/cm3 at 20 °C
Melting point	48 to 55 °C (118 to 131 °F; 321 to 328 K)
Boiling point	264 to 270 °C (507 to 518 °F; 537 to 543 K)
Solubility in water	Insoluble in water
Solubility	Freely soluble in ethanol, methanol, propylene glycol; soluble in fats and oils
Refractive index (nD)	1.5303 at 589.3 nm
Related compounds
Related compounds	Butylated hydroxytoluene
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Butylated hydroxyanisole (BHA) is a synthetic, waxy, solid petrochemical. Its antioxidant properties have caused it to be widely used as a preservative in food, food packaging, animal feed, cosmetics, pharmaceuticals, rubber, and petroleum products. BHA has been used in food since around 1947.

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