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cyclopentyl mercaptan
General Material Information
| Preferred name | cyclopentyl mercaptan |
| Trivial Name | Cyclopentanethiol |
| Short Description | cyclopentanethiol |
| Formula | C5 H10 S |
| CAS Number | 1679-07-8 |
| FEMA Number | 3262 |
| Flavis Number | 12.029 |
| ECHA Number | 216-841-3 |
| FDA UNII | H279996YO9 |
| Nikkaji Number | J43.297K |
| Beilstein Number | 2343861 |
| MDL | MFCD00001369 |
| COE Number | 2321 |
| xLogP3-AA | 1.80 (est) |
| NMR Predictor | External link |
| JECFA Food Flavoring | 516 cyclopentanethiol |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm | 1679-07-8 ; CYCLOPENTANETHIOL |
| Synonyms |
|
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
| cyclopentanethiol | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 1679-07-8 |
| Pubchem (cid): | 15510 |
| Pubchem (sid): | 134981357 |
| Pherobase: | View |
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 |
| CHEMBL: | View |
| HMDB (The Human Metabolome Database): | HMDB39771 |
| FooDB: | FDB019419 |
| Export Tariff Code: | 2930.90.9190 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
| FAO: | Cyclopentanethiol |
Suppliers
PhysChem Properties
| Material listed in food chemical codex | No |
| Molecular weight | 102.19969940186 |
| Specific gravity | @ 25 °C |
| Pounds per Gallon | 7.655 to 7.697 |
| Refractive Index | 1.488 to 1.4902 @ 20 °C |
| Boiling Point | 41 to 42°C @ 16 mm Hg |
| Boiling Point | 130 to 132°C @ 760 mm Hg |
| Vapor Pressure | 1 mmHg @ 20 °C |
| Vapor Density | 1 |
| Flash Point TCC Value | 25 °C TCC |
| logP (o/w) | 2.377 est |
| Solubility | |
| alcohol | Yes |
| oils | Yes |
| water, 758 mg/L @ 25 °C (calc.) | Yes |
| water, 758.1 mg/L @ 25 °C (est) | Yes |
| water | No |
Organoleptic Properties
| Odor Type: Alliaceous | |
| alliaceous, onion, garlic, horseradish, vegetable, celery, eggy, meaty | |
| General comment | At 0.01 % in propylene glycol. alliaceous onion garlic horseradish vegetable celery eggy |
| Mosciano, Gerard P&F 14, No. 6, 47, (1989) | Alliaceous, onion, garlic, horseradish, vegetable-celery, egg, sauteed meat |
| Flavor Type: Alliaceous | |
| alliaceous, onion, garlic, horseradish, meaty, eggy, burnt, vegetable, celery | |
| Mosciano, Gerard P&F 14, No. 6, 47, (1989) | At 2.00 ppm. Alliaceous, onion, garlic, horseradish, meat, egg, burned, vegetable, celery |
Occurrences
| (data available) |
Potential Uses
| Applications | |
| Flavoring purposes | Egg , Garlic , Horseradish , Meat , Onion |
Safety Information
Safety information
| Preferred SDS: View | |
| European information : | |
| Most important hazard(s): | |
| Xi - Irritant | |
| R 10 - Flammable. R 38 - Irritating to skin. S 02 - Keep out of the reach of children. S 16 - Keep away from sources of ignition - No Smoking. S 24 - Avoid contact with skin. S 36 - Wear suitable protective clothing. | |
| 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: | |
| oral-mouse LD50 [sex: M,F (5/group)] 2680 mg/kg Use of both sexes not clear from reference (Oser, 1970c) oral-mouse LD50 2680 mg/kg Drug and Chemical Toxicology. Vol. 3, Pg. 249, 1980. | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in use information
| Category: | |||
| flavoring agents | |||
| Recommendation for cyclopentyl mercaptan usage levels up to: | |||
| not for fragrance use. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | ND (μg/capita/day) | ||
| NOEL (No Observed Effect Level): | 0.56 (mg/kg bw per day) | ||
| Structure Class: | II | ||
| 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: 5 | |||
| Click here to view publication 5 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | - | 0.10000 | |
| beverages(nonalcoholic): | - | - | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | 0.10000 | |
| cheese: | - | - | |
| chewing gum: | - | - | |
| condiments / relishes: | - | 0.10000 | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | - | |
| fruit ices: | - | - | |
| gelatins / puddings: | - | - | |
| granulated sugar: | - | - | |
| gravies: | - | 0.10000 | |
| hard candy: | - | - | |
| imitation dairy: | - | - | |
| instant coffee / tea: | - | - | |
| jams / jellies: | - | - | |
| meat products: | - | 0.10000 | |
| milk products: | - | 0.10000 | |
| nut products: | - | - | |
| other grains: | - | - | |
| poultry: | - | - | |
| processed fruits: | - | - | |
| processed vegetables: | - | - | |
| reconstituted vegetables: | - | - | |
| seasonings / flavors: | - | - | |
| snack foods: | - | - | |
| soft candy: | - | - | |
| soups: | - | 0.10000 | |
| 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 |
| Flavouring Group Evaluation 08 Rev2 (FGE.08 Rev2): 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 Substance Registry Services (TSCA):1679-07-8 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :15510 |
| National Institute of Allergy and Infectious Diseases:Data |
| WISER:UN 3336 |
| WGK Germany:3 |
| cyclopentanethiol |
| Chemidplus:0001679078 |
| RTECS:GY4701000 for cas# 1679-07-8 |