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butyl propyl disulfide
mixture ofbutyl propyl disulfide and propyl and butyl disulfide

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CAS Number: 72437-64-0Picture of molecule3D/inchi
Nikkaji Web:J479.469I
XlogP3-AA:3.10 (est)
Molecular Weight:164.33452000
Formula:C7 H16 S2
NMR Predictor:Predict (works with chrome or firefox)
Also(can) Contains:dipropyl disulfide 24.00% to 25.00%
 butyl disulfide 23.00% to 24.00%
Category:flavoring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
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Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
JECFA Food Flavoring:1932 butyl propyl disulfide
FEMA Number:4577 mixture ofbutyl propyl disulfide and propyl and butyl disulfide
FDA:No longer provide for the use of these seven synthetic flavoring substances
Physical Properties:
Appearance:colorless to pale yellow clear liquid (est)
Assay: 51.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:0.94500 to 0.95500 @ 20.00 °C.
Pounds per Gallon - (est).: 7.873 to 7.956
Refractive Index:1.49000 to 1.50000 @ 20.00 °C.
Boiling Point: 208.00 to 210.00 °C. @ 760.00 mm Hg
Boiling Point: 89.00 to 90.00 °C. @ 10.00 mm Hg
Vapor Pressure:0.259000 mmHg @ 25.00 °C. (est)
Flash Point: 174.00 °F. TCC ( 78.89 °C. )
logP (o/w): 4.697 (est)
Soluble in:
 water, 13.14 mg/L @ 25 °C (est)
Insoluble in:
Organoleptic Properties:
Odor Description:sulfurous
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
None found
Aston Chemical
For experimental / research use only.
Disulfide, butyl propyl
For experimental / research use only.
Disulfide, butyl propyl
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the Chemical Sources Association
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
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 butyl propyl disulfide 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: 24
 average usual ppmaverage 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: 0.001000.01000
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: 0.001000.01000
soft candy: --
soups: 0.001000.01000
sugar substitutes: --
sweet sauces: --
Safety References:
EPI System: View
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :522458
National Institute of Allergy and Infectious Diseases:Data
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):522458
Pubchem (sid):126505071
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):HMDB33051
VCF-Online:VCF Volatile Compounds in Food
FAO:Butyl propyl disulfide
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 cumin black cumin
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 leek wild leek
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 neem seed
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mixture ofbutyl propyl disulfide and propyl and butyl disulfide
 disulfide, butyl propyl
 propyl butyl disulfide
 propyl N-butyl disulfide
N-propyl N-butyl disulphide


 None found yet.
Constit. of Allium cepa (onion) flavour and Nigella sativa (black cumin)
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