EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

1,2-butane dithiol
1,2-butanedithiol

Supplier Sponsors

Name:butane-1,2-dithiol
CAS Number: 16128-68-0Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:240-290-8
FDA UNII:2L7E5T7FUM
Nikkaji Web:J286.825C
MDL:MFCD00039649
CoE Number:11909
XlogP3-AA:1.80 (est)
Molecular Weight:122.25370000
Formula:C4 H10 S2
NMR Predictor:Predict (works with chrome or firefox)
Category:flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
JECFA Food Flavoring:537 1,2-butanedithiol
FLAVIS Number:12.072 (Old)
DG SANTE Food Flavourings:12.072 butane-1,2-dithiol
FEMA Number:3528 1,2-butanedithiol
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):16128-68-0 ; 1,2-BUTANEDITHIOL
 
Physical Properties:
Appearance:colorless to pale yellow clear liquid (est)
Assay: 98.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:1.03500 to 1.03900 @ 20.00 °C.
Pounds per Gallon - (est).: 8.622 to 8.656
Refractive Index:1.52100 to 1.52500 @ 20.00 °C.
Boiling Point: 77.00 °C. @ 28.00 mm Hg
Vapor Pressure:1.467000 mmHg @ 25.00 °C. (est)
Flash Point: 142.00 °F. TCC ( 61.11 °C. )
logP (o/w): 2.443 (est)
Soluble in:
 fats
 water, 1524 mg/L @ 25 °C (est)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Type: sulfurous
Odor Strength:high ,
recommend smelling in a 0.10 % solution or less
sulfurous meaty roasted meaty
Odor Description:at 0.10 % in propylene glycol. sulfur roasted meat
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
Ambles Nature et Chimie
1.2-BUTANEDITHIOL
BOC Sciences
For experimental / research use only.
1,2-Butanedithiol
Carbosynth
For experimental / research use only.
1,2-Butanedithiol
DeLong Chemicals America
1,2-Butanedithiol, Kosher
Jinan Enlighten Chemical Technology(Wutong Aroma )
1,2-Butanedithiol, Kosherk
M&U International
1,2-BUTANEDITHIOL, Kosher
Penta International
1,2-BUTANEDITHIOL
Sunaux International
1,2-Butanedithiol
TCI AMERICA
For experimental / research use only.
1,2-Butanedithiol >97.0%(GC)
WholeChem
1,2-Butanedithiol
 
Safety Information:
 
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:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category: flavoring agents
Recommendation for 1,2-butane dithiol usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): ND (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: 11
 average usual ppmaverage maximum ppm
baked goods: -0.20000
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: -0.20000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -0.20000
milk products: --
nut products: -0.20000
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: -0.20000
soft candy: --
soups: -0.20000
sugar substitutes: --
sweet sauces: --
 
Safety References:
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
Env. Mutagen Info. Center:Search
EPA Substance Registry Services (TSCA):16128-68-0
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :61829
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
butane-1,2-dithiol
Chemidplus:0016128680
 
References:
 butane-1,2-dithiol
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:16128-68-0
Pubchem (cid):61829
Pubchem (sid):135017055
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2009
(IUPAC):Atomic Weights of the Elements 2009 (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
HMDB (The Human Metabolome Database):HMDB41492
FooDB:FDB021462
Export Tariff Code:2930.90.9190
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
FAO:1,2-Butanedithiol
 
Potential Blenders and core components note
For Odor
alliaceous
dimethyl trisulfide
FL/FR
methyl furfuryl disulfide
FL/FR
burnt
rum ether
FL/FR
chocolate
2,6-
dimethyl pyrazine
FL/FR
coffee
coffee difuran
FL/FR
furfuryl mercaptan
FL/FR
2-
methyl-3-,5 or 6-(furfuryl thio) pyrazine
FL/FR
earthy
nutty pyrazine
FL/FR
fermented
ethyl crotonate
FL/FR
fruity
tropical thiazole
FL/FR
tropical trithiane
FL/FR
green
2-
heptyl furan
FL/FR
(E,Z)-2,6-
nonadienal
FL/FR
meaty
meaty dithiane
FL/FR
4-
methyl nonanoic acid
FL/FR
sulfurol
FL/FR
sulfuryl acetate
FL/FR
moldy
strawberry furanone methyl ether
FL/FR
musty
hazelnut pyrazine
FL/FR
nutty
4,5-
dimethyl-2-ethyl-3-thiazoline
FL/FR
2-
ethyl pyrazine
FL/FR
2-
ethyl-4-methyl thiazole
FL/FR
2-
methyl pyrazine
FL/FR
2-
methyl-3-(methyl thio) pyrazine
FL/FR
phenolic
2,3-
dimethyl benzofuran
FL/FR
ortho-
guaiacol
FL/FR
4-
vinyl phenol
FL/FR
smoky
pyroligneous acids
FL/FR
sulfurous
benzothiazole
FL/FR
cocoa essence
FL/FR
ethyl 2-mercaptopropionate
FL/FR
ethyl 3-mercaptobutyrate
FL/FR
ethyl 3-mercaptopropionate
FL/FR
fish thiol
FL/FR
furfuryl thioacetate
FL/FR
2-
mercaptopropionic acid
FL/FR
4-
methyl 4-mercaptopentan-2-one 1% solution
FL/FR
2-(
methyl thio) phenol
FL/FR
tobacco
methyl benzoxole
FL/FR
For Flavor
No flavor group found for these
4-
acetyl-2-methyl pyrimidine
FL
amyl mercaptan
FL
2-(2-
butyl)-4,5-dimethyl-3-thiazoline
FL
cyclopropyl (E,Z)-2,6-nonadienamide
FL
2,5-
diethyl thiazole
FL
dihydro-2,4,6-trimethyl-1,3,5(4H)-dithiazine
FL
dimethyl tetrasulfide
FL
2,6-
dimethyl-3-((2-methyl-3-furyl)thio)-4-heptanone
FL
bis(2,5-
dimethyl-3-furyl) disulfide
FL
(Z+E)-2,5-
dimethyl-3-tetrahydrofuran thiol
FL
(Z+E)-2,5-
dimethyl-3-thioacetoxytetrahydrofuran
FL
2,5-
dimethyl-3-thiofuroyl furan
FL
ethyl (E,Z)-2,6-nonadienamide
FL
S-
ethyl 2-acetyl aminoethane thioate
FL
ethyl 3-mercaptobutyrate
FL/FR
ethyl 3-mercaptopropionate
FL/FR
ethyl 4-(acetyl thio) butyrate
FL
2-
ethyl-3-methyl thiopyrazine
FL
(Z+E)-5-
ethyl-4-methyl-2-(2-butyl) thiazoline
FL
(Z+E)-5-
ethyl-4-methyl-2-(2-methyl propyl) thiazoline
FL
2-
hexyl thiophene
FL
1-(3-
hydroxy-5-methyl-2-thienyl) ethanone
FL
massoia bark oil
FL
3-
mercapto-3-methyl butyl formate
FL
4-
mercapto-3-methyl-2-butanol
FL
4-
methyl 4-mercaptopentan-2-one 1% solution
FL/FR
methyl dihydrofuran thiol
FL
methyl methane thiosulfonate
FL
2-
methyl thiazolidine
FL
2-(
methyl thio) ethanol
FL
2-
methyl-1-butane thiol
FL
4-
methyl-2-(methyl thiomethyl)-2-hexenal
FL
2-
methyl-2-thiazoline
FL
2-
methyl-3-,5 or 6-(furfuryl thio) pyrazine
FL/FR
2-
methyl-3-(methyl thio) pyrazine
FL/FR
2-
methyl-3-furyl tetrasulfide
FL
3-((2-
methyl-3-furyl)thio)-4-heptanone
FL
4-((2-
methyl-3-furyl)thio)-5-nonanone
FL
1,9-
nonane dithiol
FL
peanut dithiazine
FL
1-
phenethyl mercaptan
FL
1,3-
propane dithiol
FL
propyl 2-methyl-3-furyl disulfide
FL
iso
propyl disulfide
FL
2-iso
propyl-3-(methyl thio) pyrazine
FL
thiazole
FL
3-
thienyl mercaptan
FL
thioacetic acid
FL
3,5-
diisopropyl-1,2,4-trithiolane
FL
N-(2-(3,4-
dimethoxyphenyl)ethyl)-3,4-dimethoxycinnamic acid amide
FL
3,5-
dimethyl-1,2,4-trithiolane
FL
3,7-
dimethyl-2,6-octadien-1-yl cyclopropyl carboxamide
FL
2,4-
dimethyl-3-oxazoline
FL
4-
mercapto-2-pentanone 1% in acetoin
FL
2-
methyl-1-methyl thio-2-butene
FL
pyrrolidino-(1,2E)-4H-2,4-dimethyl-1,3,5-dithiazine
FL
1-(2-
thienyl) butanone
FL
alliaceous
alliaceous
allyl disulfide
FL
allyl mercaptan
FL
1,3-
butane dithiol
FL
cyclopentyl mercaptan
FL
dimethyl trisulfide
FL/FR
3-
mercapto-2-pentanone
FL
3-
tetrahydrothiophenone
FL
tropical thiazole
FL/FR
burnt
bacon dithiazine
FL
1,6-
hexane dithiol
FL
rum ether
FL/FR
chemical
2,3-
dimethyl benzofuran
FL/FR
2,5-
dimethyl furan
FL
chocolate
cocoa essence
FL/FR
coconut
(R)-
massoia lactone
FL
coffee
coffee difuran
FL/FR
2-
ethyl-4-methyl thiazole
FL/FR
furfuryl mercaptan
FL/FR
methyl furfuryl disulfide
FL/FR
methyl furfuryl thiol
FL
earthy
difurfuryl sulfide
FL
1,8-
octane dithiol
FL
eggy
iso
propyl mercaptan
FL
fatty
(E,E)-2,4-
decadienal
FL
2-
heptyl furan
FL/FR
4-
methyl nonanoic acid
FL/FR
2-
pentyl thiophene
FL
fruity
tropical trithiane
FL/FR
green
4-
methyl thiazole
FL
(E,Z)-2,6-
nonadienal
FL/FR
4-
penten-1-yl acetate
FL
meaty
4-
allyl-2,6-dimethoxyphenol
FL
benzothiazole
FL/FR
2,6-
dimethyl thiophenol
FL
2,5-
dimethyl-3-furan thiol
FL
1,1-
ethane dithiol 1% in ethanol 94.5% / ethyl acetate 4%
FL
furfuryl 2-methyl-3-furyl disulfide
FL
4-
furfuryl thio-2-pentanone
FL
meaty dithiane
FL/FR
3-
mercapto-2-butanone
FL
(R,S)-2-
mercapto-3-butanol
FL
2-
mercaptomethyl pyrazine
FL
2-
mercaptopropionic acid
FL/FR
2-
methyl 3-(methyl thio) furan
FL
2-(
methyl thio) phenol
FL/FR
methyl thiofuryl butanal
FL
12-
methyl tridecanal
FL
bis(2-
methyl-3-furyl) disulfide
FL
S-(2-
methyl-3-furyl) ethane thioate
FL
2-
methyl-3-tetrahydrofuran thiol
FL
2-
methyl-3-thioacetoxytetrahydrofuran
FL
phenyl mercaptan
FL
propyl 2-mercaptopropionate
FL
pyrazinyl ethane thiol
FL
2-
pyridinyl methane thiol
FL
sulfurol
FL/FR
sulfuryl acetate
FL/FR
thialdine
FL
ortho-
thiocresol
FL
ortho-
thioguaiacol
FL
metallic
2,5-
dihydroxy-1,4-dithiane
FL
moldy
strawberry furanone methyl ether
FL/FR
musty
2-
ethoxythiazole
FL
hazelnut pyrazine
FL/FR
nutty
3-
acetyl-2,5-dimethyl thiophene
FL
2-
acetyl-4-methyl thiazole
FL
3,5-
diethyl-2-methyl pyrazine
FL
2,5-
diethyl-3-methyl pyrazine
FL
2,6-
dimethyl pyrazine
FL/FR
4,5-
dimethyl-2-ethyl-3-thiazoline
FL/FR
2-
ethyl pyrazine
FL/FR
methyl benzoxole
FL/FR
2-
methyl pyrazine
FL/FR
nutty pyrazine
FL/FR
nutty thiazole
FL
onion
ethyl 2-mercaptopropionate
FL/FR
furfuryl isopropyl sulfide
FL
methionol
FL
phenolic
2-
ethyl benzene thiol
FL
4-
vinyl phenol
FL/FR
popcorn
2-
propionyl-2-thiazoline
FL
radish
3-(
methyl thio) propyl mercaptoacetate
FL
roasted
furfuryl thioacetate
FL/FR
hexyl mercaptan
FL
rummy
ethyl crotonate
FL/FR
savory
N-(2,4-
dimethoxybenzyl)-N2-(2-(pyridin-2-yl)ethyl) oxalamide
FL
N-(
heptan-4-yl)benzo(D)(1,3)dioxole-5-carboxamide
FL
N1-(2-
methoxy-4-methyl benzyl)-N2-(2-(pyridin-2-yl)ethyl) oxalamide
FL
N1-(2-
methoxy-4-methyl benzyl)-N2-2(2-(5-methyl pyridin-2-yl)ethyl) oxalamide
FL
smoky
prosopis juliflora wood extract
FL
pyroligneous acids
FL/FR
sulfurous
2,3-
butane dithiol
FL
ethyl methyl sulfide
FL
S-
ethyl thioacetate
FL
fish thiol
FL/FR
methyl 2-methyl-3-furyl disulfide
FL
3-
methyl-2-butane thiol
FL
2-
naphthyl mercaptan
FL
roasted butanol
FL
vegetable
tyramine
FL
wasabi
2-(
methyl thio) ethyl acetate
FL
woody
ortho-
guaiacol
FL/FR
yeasty
faex extracts
FL
 
Potential Uses:
FLmeat
 
Occurrence (nature, food, other):note
 onion
Search Trop Picture
 
Synonyms:
 butane-1,2-dithiol
1,2-butanedithiol
1,2-dimercaptobutane
1,2-dithiolbutane
1-ethyl-1,2-ethane dithiol
1-ethyl-1,2-ethanedithiol
 

Articles:

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Notes:
Used as a food additive [EAFUS]
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