CAS 128-37-0 2,6-Di-tert-butyl-4-methylphenol

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2,6-Di-tert-butyl-4-methylphenol

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Catalog Number

ACM128370

CAS Number

128-37-0

Product Name

2,6-Di-tert-butyl-4-methylphenol

Structure

Category

Plastic Additives; Resin Additives

Synonyms

4-methyl-2,6-di-tert-butylphenol;Butylhydroxytoluene;2,6-Di-tert-butyl-p-cresol;Phenol, 2,6-bis(1,1-dimethylethyl)-4-methyl-;2,6-di-tert-butyl-4-methyl-phenol

Description

Butylated hydroxytoluene (BHT), also known as dibutylhydroxytoluene, is a lipophilic organic compound, chemically a derivative of phenol, that is useful for its Antioxidants properties. European and U.S. regulations allow small amounts to be used as a food additive. In addition to this use, BHT is widely used to prevent oxidation in fluids (e.g. fuel, oil) and other materials where free radicals must be controlled.

IUPAC Name

2,6-ditert-butyl-4-methylphenol

Molecular Weight

220.35

Molecular Formula

C15H24O

Canonical SMILES

CC1=CC(=C(C(=C1)C(C)(C)C)O)C(C)(C)C

InChI Key

NLZUEZXRPGMBCV-UHFFFAOYSA-N

Boiling Point

265°C(lit.)

Melting Point

69-71ºC

Flash Point

127ºC

Purity

99+%

Density

1.048

Appearance

Crystalline

Application

2,6-Di-tert-butyl-4-methylphenol, commonly known as Butylated Hydroxytoluene (BHT), serves primarily as a synthetic antioxidant and preservative in various applications. Its main purpose is to delay or prevent the oxidative rancidity of fats and oils, thus preserving the quality and shelf life of food products. BHT achieves this by scavenging radicals and inhibiting lipid peroxidation, making it particularly useful in foods, cosmetics, and pharmaceuticals where the maintenance of product stability and potency is crucial. Additionally, it aids in preventing the loss of activity of oil-soluble vitamins and is employed in both natural and synthetic rubber applications to enhance color stability. Though BHT is less stable at high temperatures compared to similar antioxidants, it remains a popular choice for its efficacy at typical usage levels. Beyond its preservative qualities, BHT also exhibits antiviral properties, having been used in the treatment of conditions like herpes simplex labialis. Overall, its low toxicity and effectiveness contribute to its widespread use across consumer products.

EC Number

204-881-4

Exact Mass

220.18300

Hazard Class

Hazard Statements

Xn,N

Log P

4.29560

MDL Number

MFCD00011644

Refractive Index

1.4859

Safety Description

26-36-37/39-61-60

Stability

Stable, but light-sensitive. Incompatible with acid chlorides, acid anhydrides, brass, copper, copper alloys, steel, bases, oxidizing agents. Combustible.

Storage Conditions

0-6ºC

Supplemental Hazard Statements

H302-H315-H317-H319-H370-H373-H401-H411-H410

Vapor Density

7.6

Vapor Pressure

<0.01 mm Hg ( 20 °C)

WGK Germany

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