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W218405 Sigma-Aldrich

Butylated hydroxytoluene

≥99%, FCC, FG

Synonym: 2,6-Di-tert-butyl-4-methylphenol, 2,6-Di-tert-butyl-p-cresol, BHT, Butylated hydroxytoluene, Butylhydroxytoluene, DBPC

  • CAS Number 128-37-0

  • Linear Formula [(CH3)3C]2C6H2(CH3)OH

  • Molecular Weight 220.35

  •  FEMA Number 2184

  •  Beilstein/REAXYS Number 1911640

  •  EC Number 204-881-4

  •  MDL number MFCD00011644

  •  PubChem Substance ID 24900896

  •  E Number E 321

  •  NACRES NA.21



Related Categories A-B, A-D, Alphabetical Listings, Certified Food Grade Products, Flavors and Fragrances,
Quality Level   400
biological source   synthetic
grade   FG
Agency/Method   follows IFRA guidelines
reg. compliance   EU Regulation 1223/2009
  EU Regulation 1333/2008 & 178/2002
  FDA 21 CFR 117
  FDA 21 CFR 172.115
vapor density   7.6 (vs air)
vapor pressure   <0.01 mmHg ( 20 °C)
assay   ≥99%
form   powder or crystals
autoignition temp.   878 °F
bp   265 °C (lit.)
mp   69-73 °C (lit.)
Documentation   see Safety & Documentation for available documents
Organoleptic   camphoraceous
food allergen   no known allergens
fragrance allergen   no known allergens
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
Gene Information   human ... CAPN1(823)
rat ... Capn1(29153), Nos1(24598)


General description

Butylated hydroxytoluene is a synthetic phenolic compound mainly used as an antioxidant and preservative in the food industry. It is used to prevent the lipid oxidation in oils and fat-containing foods.


1 kg in poly bottle

10, 20 kg in fiber drum

Other Notes

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Safety & Documentation

Safety Information

GHS09  GHS09
Signal word 
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
UN 3077 9 / PGIII
WGK Germany 
Flash Point(F) 
No data available
Flash Point(C) 
No data available

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How much Butylated hydroxytoluene will I receive in the sample size of Product W218405?
For current sizing, pricing, and availability please contact our Flavors and Fragrances Customer Service at 1-800-227-4563.
What is Product W218405,Butylated hydroxytoluene soluble in?
Butylated hydroxytoluene is soluble in Ethanol at 100 mg/ml and sonication may be needed. This compound is practically insoluble in water, but freely soluble in vegetable oils, acetone, chloroform and ether.
How should Product W218405,Butylated hydroxytoluene be stored?
We recommend storing this product at room temperature.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
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Protocols & Articles


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Keywords: Food & Beverage, Food Safety, Solvents

Understanding the Complexities of Kosher Ingredients

Introduction What is Kosher Product Considerations for Kosher Certification Kosher's Added Benefit to the Food Industry Sigma-Aldrich's Kosher Experience and Offering
Dr. Luke Grocholl1, Rabbi Gershon Segal

1Dr. Luke Grocholl, Quality Assurance Supervisor, Sigma-Aldrich Flavors & Fragrances
Keywords: Fermentation, Food & Beverage, Safety industry

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