Preferred name | butyl mercaptan |
Trivial Name | Butanethiol |
Short Description | 1-butanethiol |
Formula | C4 H10 S |
CAS Number | 109-79-5 |
FEMA Number | 3478 |
Flavis Number | 12.01 |
ECHA Number | 203-705-3 |
FDA UNII | 77OY909F30 |
Nikkaji Number | J1.970D |
Beilstein Number | 1730908 |
MDL | MFCD00004905 |
COE Number | 526 |
Bio Activity Summary | External link |
NMR Predictor | External link |
JECFA Food Flavoring | 511 1-butanethiol |
FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
FDA Mainterm | 109-79-5 ; 1-BUTANETHIOL |
Synonyms |
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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 |
butane-1-thiol | |
NIST Chemistry WebBook: | Search Inchi |
Canada Domestic Sub. List: | 109-79-5 |
Pubchem (cid): | 8012 |
Pubchem (sid): | 134973857 |
(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 |
CHEMBL: | View |
KEGG (GenomeNet): | C00986 |
HMDB (The Human Metabolome Database): | HMDB31322 |
FooDB: | FDB003381 |
Export Tariff Code: | 2930.90.9190 |
VCF-Online: | VCF Volatile Compounds in Food |
ChemSpider: | View |
Wikipedia: | View |
FAO: | 1-Butanethiol |
Formulations/Preparations: grade: 95%. |
Material listed in food chemical codex | No |
Molecular weight | 90.188697814941 |
Specific gravity | @ 25 °C |
Pounds per Gallon | 6.973 to 7.056 |
Refractive Index | 1.436 to 1.446 @ 20 °C |
Vapor Pressure | 45.5 mmHg @ 25 °C |
Vapor Density | 3.1 |
Flash Point TCC Value | 12.78 °C TCC |
logP (o/w) | 2.28 |
Solubility | |
oils, slightly | Yes |
water, 597 mg/L @ 20 °C (exp) | Yes |
Odor Type: Sulfurous | |
sulfurous, garlic, onion, egg nog, coffee, fatty, beefy roasted beefy, onion cooked onion | |
General comment | At 0.10 % in propylene glycol. sulfury garlic onion egg coffee |
Mosciano, Gerard P&F 23, No. 1, 33, (1998) | Sulfureous, fatty, stewed beef, sauteed onion, egg, coffee and garlic |
Flavor Type: Sulfurous | |
sulfurous, vegetable, savory, meaty, garlic, onion | |
Mosciano, Gerard P&F 23, No. 1, 33, (1998) | At 1.00 ppm. Sulfureous, vegetative, savory meaty, garlic and onion |
(data available) |
Preferred SDS: View | |
European information : | |
Most important hazard(s): | |
Xn - Harmful. | |
R 11 - Highly flammable. R 20/22 - Harmful by inhalation and if swallowed. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 16 - Keep away from sources of ignition - No Smoking. S 20/21 - When using do not eat, drink or smoke. S 23 - Do not breath vapour. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection. | |
Hazards identification | |
Classification of the substance or mixture | |
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
None found. | |
GHS Label elements, including precautionary statements | |
Pictogram | |
Hazard statement(s) | |
None found. | |
Precautionary statement(s) | |
None found. | |
Oral/Parenteral Toxicity: | |
gavage-rat LD50 1500 mg/kg (Fairchild & Stokinger, 1958) intraperitoneal-rat LD50 399 mg/kg BEHAVIORAL: COMA LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY American Industrial Hygiene Association Journal. Vol. 19, Pg. 171, 1958. oral-mouse LD50 3000 mg/kg "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol.Pg.982, 1986 | |
Dermal Toxicity: | |
Not determined | |
Inhalation Toxicity: | |
inhalation-rat LC50 4020 ppm/4H LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE American Industrial Hygiene Association Journal. Vol. 19, Pg. 171, 1958. inhalation-mouse LC50 2500 ppm/4H BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE American Industrial Hygiene Association Journal. Vol. 19, Pg. 171, 1958. |
Category: | |||
flavoring agents | |||
Recommendation for butyl mercaptan usage levels up to: | |||
not for fragrance use. | |||
Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.39 (μg/capita/day) | ||
Structure Class: | I | ||
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: 10 | |||
Click here to view publication 10 | |||
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: | - | 0.02000 | |
hard candy: | - | - | |
imitation dairy: | - | - | |
instant coffee / tea: | - | - | |
jams / jellies: | - | - | |
meat products: | - | 0.02000 | |
milk products: | - | - | |
nut products: | - | - | |
other grains: | - | - | |
poultry: | - | - | |
processed fruits: | - | - | |
processed vegetables: | - | - | |
reconstituted vegetables: | - | - | |
seasonings / flavors: | - | 0.02000 | |
snack foods: | - | - | |
soft candy: | - | - | |
soups: | - | 0.02000 | |
sugar substitutes: | - | - | |
sweet sauces: | - | - |
European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
European Food Safety Authority (EFSA) reference(s): |
Flavouring Group Evaluation 8 (FGE.08)[1]: Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical group 20 View page or View pdf |
Flavouring Group Evaluation 8, Revision 1 (FGE.08Rev1): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 8, Revision 3 (FGE.08Rev3): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 08, Revision 4 (FGE.08Rev4): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf |
EPI System: View |
NIOSH International Chemical Safety Cards:search |
NIOSH Pocket Guide:search |
AIDS Citations:Search |
Cancer Citations:Search |
Toxicology Citations:Search |
EPA Substance Registry Services (TSCA):109-79-5 |
EPA ACToR:Toxicology Data |
EPA Substance Registry Services (SRS):Registry |
Laboratory Chemical Safety Summary :8012 |
National Institute of Allergy and Infectious Diseases:Data |
WISER:UN 3336 |
WGK Germany:3 |
butane-1-thiol |
Chemidplus:0000109795 |
EPA/NOAA CAMEO:hazardous materials |
RTECS:109-79-5 |