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| IUPAC name : | cyclopentanethiol |
| InChI : | InChI=1/C5H10S/c6-5-3-1-2-4-5/h5-6H,1-4H2 |
| InChIKey : | WVDYBOADDMMFIY-UHFFFAOYAN |
| SMILES : | C1CCC(C1)S |
| cas number : | 1679-07-8 |
| (EINECS) number : | 216-841-3 |
| beilstein number : | 2343861 |
| fema number : | 3262 |
| coe number : | 2321 |
| jecfa number : | 516 |
| fl. number : | 12.029 |
| molar refractivity : | 30.98 ± 0.4 cm3 |
| parachor : | 251.5 ± 6.0 cm3 |
| index of refraction : | 1.490 ± 0.03 |
| surface tension : | 30.5 ± 5.0 dyne/cm |
| density : | 0.95 ± 0.1 g/cm3 |
| polarizability : | 12.28 ± 0.5 10-24cm3 |
| XlogP : | 2.00 |
| molecular weight : | 102.1979000 (IUPAC) |
| formula : | C5 H10 S |
| NMR Predictor : | Predict |
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| export tariff code : | 2910.90 |
| fda reg : | unspecified |
Suppliers :
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| Endeavour : | Cyclopentanethiol
97% |
| Penta : | cyclopentanethiol
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| SAFC Global® : | Cyclopentanethiol
≥97%, Kosher Odor: meaty; alliaceous (onion, garlic); vegetable |
organoleptics :
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| odor type : | alliaceous |
| odor strength : | high , recommend smelling in a 0.01 % solution or less |
odor description: at 0.01 % in propylene glycol. | alliaceous onion garlic horseradish vegetable celery eggy |
odor description:
| Alliaceous, onion, garlic, horseradish, vegetable-celery, egg, sauteed meat Mosciano, Gerard P&F 14, No. 6, 47, (1989) |
taste description: at 2.00 ppm. | Alliaceous, onion, garlic, horseradiah, meat, egg, burned, vegetable, celery Mosciano, Gerard P&F 14, No. 6, 47, (1989) |
properties :
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| appearence : | colorless clear liquid |
| assay : | 97.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.92000 to 0.92500 @ 25.00 °C.
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| pounds per gallon - calc. : | 7.655 to 7.697
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| refractive index : | 1.48800 to 1.49020 @ 20.00 °C.
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| boiling point : | 41.00 to 42.00 °C. @ 16.00 mm Hg
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| boiling point : | 130.00 to 132.00 °C. @ 760.00 mm Hg
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| vapor pressure : | 1.00000 mm/Hg @ 20.00 °C. |
| vapor density : | 1.0 ( Air = 1 ) |
| flash point : | 77.00 °F. TCC ( 25.00 °C. )
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| logP (o/w) : | 2.21 |
safety :
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| most important hazard(s) : | Xi - Irritant |
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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.
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| Oral Toxicity(LD50) : | |
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Oral-Mouse [sex: M,F (5/group)] 2680.00 mg/kg (Oser, 1970c)
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| Dermal Toxicity(LD50) : | |
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Not determined
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| Inhalation Toxicity(LC50) : | |
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Not determined
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safety in use :
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| Category : | flavoring agents |
| Maximised Survey-derived Daily Intakes (MSDI-EU) : | ND (μg/capita/day) |
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| recommendation for cyclopentyl mercaptan fragrance usage levels up to : |
| | not for fragrance use.
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| recommendation for cyclopentyl mercaptan flavor usage levels up to : |
| | 2.0000 ppm in the flavor.
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safety references :
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| European Food Safety Athority(efsa) : | Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| EPI System : | view |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
| WISER : | UN 3336 |
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| WGK Germany : | 3 |
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| | cyclopentanethiol |
| (EINECS) number : | 216-841-3 |
| RTECS : | GY4701000 for cas# 1679-07-8 |
| chemidplus : | 001679078 |
| EPA Substance Registry Services : | 1679-07-8 |
references :
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| | cyclopentanethiol |
| fl. number : | 12.029 |
| jecfa number : | 516 |
| NIST Chemistry WebBook : | 2720898137 |
| pubchem : | 158821 |
other :
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| VCF-Online: | VCF Volatile Compounds in Food |
| FDA Everything Added to Food in the United States (EAFUS) | View |