| Preferred name | butylated hydroxytoluene |
| Trivial Name | 2,6-Di-tert-butyl-4-methylphenol |
| Short Description | BHT |
| Formula | C15 H24 O |
| CAS Number | 128-37-0 |
| Deleted CAS Number | 102962-45-8 |
| FEMA Number | 2184 |
| ECHA Number | 204-881-4 |
| FDA UNII | 1P9D0Z171K |
| Nikkaji Number | J2.939D |
| Beilstein Number | 1911640 |
| MDL | MFCD00011644 |
| xLogP3-AA | 5.30 (est) |
| Bio Activity Summary | External link |
| NMR Predictor | External link |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm | 128-37-0 ; BUTYLATED HYDROXYTOLUENE |
| Synonyms |
|
| Google Scholar | Start search |
| Google Books | Start search |
| Google Patents | Start search |
| Perfumer & Flavorists | Start search |
| EU Patents | Start search |
| PubMeb | Start search |
| NCBI | Start search |
| 2,6-ditert-butyl-4-methylphenol | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 128-37-0 |
| Pubchem (cid): | 31404 |
| Pubchem (sid): | 134974578 |
| Pherobase: | View |
| (IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
| Videos: | The Periodic Table of Videos |
| tgsc: | Atomic Weights use for this web site |
| (IUPAC): | Periodic Table of the Elements |
| FDA Substances Added to Food (formerly EAFUS): | View |
| FDA Indirect Additives used in Food Contact Substances: | View |
| CHEBI: | View |
| CHEMBL: | View |
| Golm Metabolome Database: | Search |
| KEGG (GenomeNet): | C14693 |
| HMDB (The Human Metabolome Database): | HMDB33826 |
| FooDB: | FDB011992 |
| Export Tariff Code: | 2907.19.1000 |
| FDA Listing of Food Additive Status: | View |
| Typical G.C. | |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
| Wikipedia: | View |
| Formulations/Preparations: •the antioxidant formulations most commonly used in edible products contain various combinations of bha, bht, &or propyl gallate together with citric acid in a suitable solvent. •grades: technical; feed; "food chemical codex" •inol cp shell •embanox 2 rhone-poulenc •hydagen deo henkel | |
| Material listed in food chemical codex | Yes |
| Molecular weight | 220.35548400879 |
| Melting Point | 70 to 73°C @ 760 mm Hg |
| Vapor Pressure | 15 mmHg @ 141 °C |
| Vapor Density | 7.6 |
| Flash Point TCC Value | 93.33 °C TCC |
| logP (o/w) | 5.1 |
| Solubility | |
| alcohol | Yes |
| water, 0.6 mg/L @ 25 °C (exp) | Yes |
| Odor Type: Phenolic | |
| phenolic, camphoreous | |
| Odor strength | low |
| Substantivity | 400 hour(s) at 20.00 % in dipropylene glycol |
| General comment | At 100.00 %. mild phenolic camphor |
| (data available) |
| Applications | |
| Other purposes | Antioxidants , Preservatives |
| Cosmetic purposes | Antioxidants , Fragrance |
| Preferred SDS: View | |
| European information : | |
| Most important hazard(s): | |
| Xn - Harmful. | |
| R 22 - Harmful if swallowed. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 07 - Keep container tightly closed. S 22 - Do not breath dust. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 - Wear suitable gloves and eye/face protection. | |
| Hazards identification | |
| Classification of the substance or mixture | |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
| Chronic aquatic toxicity (Category 1), H410 | |
| GHS Label elements, including precautionary statements | |
| Pictogram | ![]() |
| Signal word | Warning |
| Hazard statement(s) | |
| H410 - Very toxic to aquatic life with long lasting effects | |
| Precautionary statement(s) | |
| P273 - Avoid release to the environment. P391 - Collect spillage. Hazardous to the aquatic environment P501 - Dispose of contents/ container to an approved waste disposal plant. | |
| Oral/Parenteral Toxicity: | |
| oral-rat LD50 890 mg/kg Neoplasma. Vol. 24, Pg. 253, 1977. intravenous-mouse LD50 180 mg/kg BEHAVIORAL: SLEEP Journal of Medicinal Chemistry. Vol. 23, Pg. 1350, 1980. intraperitoneal-mouse LD50 138 mg/kg Journal of Medicinal Chemistry. Vol. 23, Pg. 1350, 1980. oral-mouse LD50 650 mg/kg BEHAVIORAL: TREMOR LUNGS, THORAX, OR RESPIRATION: CHRONIC PULMONARY EDEMA Science Reports of the Research Institutes, Tohoku University, Series C: Medicine. Vol. 36(1-4), Pg. 10, 1989. oral-guinea pig LD50 10700 mg/kg LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION BEHAVIORAL: TREMOR GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" AMA Archives of Industrial Health. Vol. 11, Pg. 93, 1955. oral-cat LDLo 940 mg/kg GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" BEHAVIORAL: TREMOR LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION AMA Archives of Industrial Health. Vol. 11, Pg. 93, 1955. intraperitoneal-mouse LD50 138 mg/kg LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES BLOOD: HEMORRHAGE LUNGS, THORAX, OR RESPIRATION: CHRONIC PULMONARY EDEMA Toxicology and Applied Pharmacology. Vol. 61, Pg. 475, 1981. oral-rabbit LDLo 2100 mg/kg BEHAVIORAL: TREMOR LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" AMA Archives of Industrial Health. Vol. 11, Pg. 93, 1955. | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
| Category: | |||
| antioxidants and preservatives for fragrance and flavor | |||
| Recommendation for butylated hydroxytoluene usage levels up to: | |||
| not for fragrance use. | |||
| Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). | |||
| The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library | |||
| publication number: 3 | |||
| Click here to view publication 3 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | - | - | |
| beverages(nonalcoholic): | - | - | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | - | - | |
| condiments / relishes: | - | - | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | - | |
| fruit ices: | - | - | |
| gelatins / puddings: | - | - | |
| granulated sugar: | - | - | |
| gravies: | - | - | |
| hard candy: | - | - | |
| imitation dairy: | - | - | |
| instant coffee / tea: | - | - | |
| jams / jellies: | - | - | |
| meat products: | - | - | |
| milk products: | - | - | |
| nut products: | - | - | |
| other grains: | - | - | |
| poultry: | - | - | |
| processed fruits: | - | - | |
| processed vegetables: | - | - | |
| reconstituted vegetables: | - | - | |
| seasonings / flavors: | - | - | |
| snack foods: | - | - | |
| soft candy: | - | - | |
| soups: | - | - | |
| sugar substitutes: | - | - | |
| sweet sauces: | - | - | |
| European Food Safety Authority (EFSA) reference(s): |
| Scientific Opinion on the re-evaluation of butylated hydroxytoluene BHT (E 321) as a food additive View page or View pdf |
| EPI System: View |
| ClinicalTrials.gov:search |
| Daily Med:search |
| NIOSH International Chemical Safety Cards:search |
| NIOSH Pocket Guide:search |
| Chemical Carcinogenesis Research Information System:Search |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| Carcinogenic Potency Database:Search |
| EPA GENetic TOXicology:Search |
| EPA Substance Registry Services (TSCA):128-37-0 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :31404 |
| National Institute of Allergy and Infectious Diseases:Data |
| WISER:UN 3077 |
| WGK Germany:1 |
| 2,6-ditert-butyl-4-methylphenol |
| Chemidplus:0000128370 |
| EPA/NOAA CAMEO:hazardous materials |
| RTECS:128-37-0 |