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isopropyl disulfide

Chemical Structure

General Material Information

Preferred name isopropyl disulfide
Trivial Name Diisopropyl disulfide
Short Description diisopropyl disulfide
Formula C6 H14 S2
CAS Number 4253-89-8
FEMA Number 3827
Flavis Number 12.109
ECHA Number 224-225-0
FDA UNII BP550P623A
Nikkaji Number J99.999G
MDL MFCD00008894
COE Number 11455
xLogP3-AA 2.50 (est)
Bio Activity Summary External link
NMR Predictor External link
JECFA Food Flavoring 567 diisopropyl disulfide
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 4253-89-8 ; DIISOPROPYL DISULFIDE
Synonyms
  • di-isopropyl disulfide
  • di-isopropyl disulphide
  • diisopropyl disulfide
  • diisopropyl disulphide
  • diisopropyldisulfide
  • 2,5-dimethyl-3,4-dithiahexane
  • dipropan-2-yl disulfide
  • 2,2'- disulfanediyldipropane
  • disulfide, bis (1-methylethyl)
  • disulfide, di-isopropyl
  • 2,2'- dithiodipropane
  • bis(1-methyl ethyl) disulfide
  • bis(1-methylethyl) disulfide
  • bis(1-methylethyl)disulfide
  • 2-( propan-2-yldisulfanyl)propane
  • 2-propan-2-yldisulfanylpropane
  • 2-(iso propyldisulfanyl)propane
  • iso propyldisulfide
  • Disulfide, bis(1-methylethyl)
  • Bis(1-methylethyl) disulfide
  • 2,5-Dimethyl-3,4-dithiahexane
  • NSC 75123
  • 1,2-Diisopropyldisulfane
  • 2-(Propan-2-yldisulfanyl)propane

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Other Information

(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
HMDB (The Human Metabolome Database):HMDB29578
FooDB:FDB000734
Export Tariff Code:2930.90.9999
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
FAO:Diisopropyl disulfide

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 150.30758666992
Specific gravity @ 25 °C
Pounds per Gallon 7.015 to 7.048
Refractive Index 1.441 to 1.451 @ 20 °C
Boiling Point 175 to 177°C @ 760 mm Hg
Vapor Pressure 1.354 mmHg @ 25 °C
Flash Point TCC Value 18.33 °C TCC
logP (o/w) 3.876 est
Solubility
alcohol Yes
oils Yes
water, very slightly Yes
water, 53.32 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Alliaceous
alliaceous, onion, meaty, sulfurous, cabbage
General comment At 0.10 % in propylene glycol. alliaceous onion meaty sulfurous cabbage

Occurrences

Potential Uses

Applications
Flavoring purposes Beef, Chicken, Meat, Pork

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 11 - Highly flammable.
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 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 33 - Take precautionary measures against static discharge.
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)
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 isopropyl disulfide 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: 18
Click here to view publication 18
average usual ppmaverage maximum ppm
baked goods: 0.060001.00000
beverages(nonalcoholic): 0.200002.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: 0.010000.04000
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: 0.100001.00000
granulated sugar: --
gravies: 0.100001.00000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: 0.400004.00000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: 6.000006.00000
snack foods: --
soft candy: --
soups: --
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
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :77932
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 1993
WGK Germany:3
2-propan-2-yldisulfanylpropane
Chemidplus:0004253898