We have found 46587 results matching your criteria.
Please wait while we search...

General Material Information

Preferred name 1,1-propane dithiol
Trivial Name propane-1,1-dithiol
Short Description 1,1-propanedithiol
Formula C3 H8 S2
CAS Number 88497-17-0
FEMA Number 4670
Flavis Number 12.3
FDA UNII WXB7P88MHJ
Nikkaji Number J1.405.824I
xLogP3-AA 1.90 (est)
NMR Predictor External link
JECFA Food Flavoring 2087 1,1-propanedithiol
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 88497-17-0 ; 1,1-PROPANEDITHIOL
Synonyms
  • 1,1-dimercaptopropane
  • propane-1,1-dithiol
  • 1,1-propanedithiol

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

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

Literature & References

propane-1,1-dithiol
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):6428546
Pubchem (sid):103306596
Pherobase:View
Publications by Leffingwell & Associates
Flavor Properties of FEMA GRAS List 25 flavor chemicals

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):Search
ChemSpider:View

Suppliers

Parchem

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 108.22676086426
Specific gravity @ 25 °C
Pounds per Gallon
Boiling Point 137 to 138°C @ 760 mm Hg
Vapor Pressure 8.643 mmHg @ 25 °C
Flash Point TCC Value 40.1 °C TCC
logP (o/w) 2.249 est
Solubility
alcohol Yes
water, 4484 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Sulfurous
sulfurous, onion cooked onion, onion, savory
General comment At 0.01 % in propylene glycol. sulfurous cooked onion savory

Safety Information

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 1,1-propane dithiol usage levels up to:
not for fragrance use.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.12 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 7.5 (μg/person/day)
Threshold of Concern:90 (μg/person/day)
Structure Class: III
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: 25
Click here to view publication 25
average usual ppmaverage maximum ppm
baked goods: 0.010000.05000
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: 0.010000.05000
cheese: 0.010000.05000
chewing gum: --
condiments / relishes: 0.010000.05000
confectionery froastings: --
egg products: --
fats / oils: 0.020000.08000
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: 0.010000.05000
hard candy: --
imitation dairy: 0.020000.08000
instant coffee / tea: --
jams / jellies: --
meat products: 0.020000.08000
milk products: 0.010000.05000
nut products: --
other grains: --
poultry: 0.020000.08000
processed fruits: --
processed vegetables: 0.010000.05000
reconstituted vegetables: --
seasonings / flavors: 0.080000.10000
snack foods: 0.020000.08000
soft candy: --
soups: 0.010000.05000
sugar substitutes: --
sweet sauces: --
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i).
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 0.040000.18000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 0.020000.08000
Edible ices, including sherbet and sorbet (03.0): --
Processed fruit (04.1): 0.010000.05000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): 0.010000.05000
Confectionery (05.0): --
Chewing gum (05.3): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 0.010000.05000
Bakery wares (07.0): 0.030000.13000
Meat and meat products, including poultry and game (08.0): 0.040000.16000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): --
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 0.100000.10000
Foodstuffs intended for particular nutritional uses (13.0): --
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): --
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): --
Ready-to-eat savouries (15.0): 0.010000.05000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): --

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):

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

Scientific Opinion on Flavouring Group Evaluation 08, Revision 5 (FGE.08Rev5): 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 :6428546
National Institute of Allergy and Infectious Diseases:Data
propane-1,1-dithiol
Chemidplus:0088497170