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1082708

USP

Butylated hydroxytoluene

United States Pharmacopeia (USP) Reference Standard

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Synonym(s):
2,6-Di-tert-butyl-4-methylphenol, 2,6-Di-tert-butyl-p-cresol, BHT, Butylated hydroxytoluene, Butylhydroxytoluene, DBPC
Linear Formula:
[(CH3)3C]2C6H2(CH3)OH
CAS Number:
Molecular Weight:
220.35
Beilstein:
1911640
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

vapor density

7.6 (vs air)

vapor pressure

<0.01 mmHg ( 20 °C)

API family

butylated hydroxytoluene

autoignition temp.

878 °F

manufacturer/tradename

USP

bp

265 °C (lit.)

mp

69-73 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

Cc1cc(c(O)c(c1)C(C)(C)C)C(C)(C)C

InChI

1S/C15H24O/c1-10-8-11(14(2,3)4)13(16)12(9-10)15(5,6)7/h8-9,16H,1-7H3

InChI key

NLZUEZXRPGMBCV-UHFFFAOYSA-N

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1 of 4

This Item
PHR11173475075918
Butylated hydroxytoluene United States Pharmacopeia (USP) Reference Standard

USP

1082708

Butylated hydroxytoluene

Butylated Hydroxytoluene Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1117

Butylated Hydroxytoluene

manufacturer/tradename

USP

manufacturer/tradename

-

manufacturer/tradename

-

manufacturer/tradename

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

application(s)

pharmaceutical (small molecule)

application(s)

cleaning products
cosmetics
food and beverages
personal care
pharmaceutical (small molecule)

application(s)

-

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

format

neat

format

-

format

neat

vapor density

7.6 (vs air)

vapor density

7.6 (vs air)

vapor density

7.6 (vs air)

vapor density

7.6 (vs air)

vapor pressure

<0.01 mmHg ( 20 °C)

vapor pressure

<0.01 mmHg ( 20 °C)

vapor pressure

<0.01 mmHg ( 20 °C)

vapor pressure

<0.01 mmHg ( 20 °C)

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

It is intended to be used as a USP reference standard in specified quality tests and assays.
Also used to prepare standard solution for assay and organic impurity analysis using liquid chromatography (LC) combined with UV detection at 275 nm according to the United States Pharmacopeia (USP) monograph.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

USP issued certificate and SDS can be found here.
Sales restrictions may apply.

Pictograms

Environment

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

260.6 °F - open cup

Flash Point(C)

127 °C - open cup


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Butylated Hydroxytoluene
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 45(6), 5652-5652 (2021)
Toxicology and biochemistry of butylated hydroxyanisole and butylated hydroxytoluene.
A L Branen
Journal of the American Oil Chemists' Society, 52(2), 59-63 (1975-02-01)
Metabolism and pulmonary toxicity of butylated hydroxytoluene (BHT).
H Witschi et al.
Pharmacology & therapeutics, 42(1), 89-113 (1989-01-01)
Butylated hydroxytoluene (BHT): a review.
H Babich
Environmental research, 29(1), 1-29 (1982-10-01)
E M Bomhard et al.
Mutation research, 277(3), 187-200 (1992-09-01)
Butylated hydroxytoluene (BHT) is an effective, widely used, low cost antioxidant. A host of studies examining the potential of BHT to cause point mutations have been published. They include in vitro studies on various bacterial species and strains and on

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