FEMA 3262
cyclopentyl mercaptan
CAS: 1679-07-8
Molecular Formula: C5H10S
FEMA 3262 - Names and Identifiers
| Name | cyclopentyl mercaptan |
| Synonyms | FEMA 3262 Cyclopentanthiol cyclopentylthiol Cyclopentanethiol CYCLOPENTANETHIOL MERCAPTOCYCLOPENTANE cyclopentyl mercaptan CYCLOPENTYL MERCAPTAN mercaptancyclopentylique |
| CAS | 1679-07-8 |
| EINECS | 216-841-3 |
| InChI | InChI=1/C5H10S/c6-5-3-1-2-4-5/h5-6H,1-4H2 |
FEMA 3262 - Physico-chemical Properties
| Molecular Formula | C5H10S |
| Molar Mass | 102.2 |
| Density | 0.955 g/mL at 25 °C (lit.) |
| Melting Point | -117.76°C |
| Boling Point | 129-131 °C/745 mmHg (lit.) |
| Flash Point | 77°F |
| JECFA Number | 516 |
| Water Solubility | Slightly soluble in water; soluble in alcohol and oils. |
| Vapor Presure | 1 mm Hg ( 20 °C) |
| Vapor Density | 0.96 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless to pale yellow |
| BRN | 2343861 |
| pKa | 10.87±0.20(Predicted) |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.4902(lit.) |
| Physical and Chemical Properties | Colorless liquid. Boiling point 131 ℃. Slightly soluble in water, soluble in ethanol and grease. |
FEMA 3262 - Risk and Safety
| Risk Codes | 10 - Flammable |
| Safety Description | S16 - Keep away from sources of ignition. S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 3336 3/PG 3 |
| WGK Germany | 3 |
| RTECS | GY4701000 |
| TSCA | Yes |
| HS Code | 29309090 |
| Hazard Class | 3 |
| Packing Group | III |
| Toxicity | GRAS(FEMA)。 |
FEMA 3262 - Reference Information
| toxicity | GRAS(FEMA). |
| use limit | FEMA: baked goods, meat products, soup, dairy products, condiments, cereals, all 0.1 mg/kg. |
| chemical properties | colorless liquid. Boiling point 131 ℃. Slightly soluble in water, soluble in ethanol and grease. |
| use | food spices. |
| Production method | is synthesized from cyclopentyl bromide and potassium hydrogen sulfide. Or it is synthesized from cyclopentanone dimethyl dithioacetaldehyde and four moles of an alkali metal; it can also be made from cyclopentyl naphthyl sulfide in the presence of a metal aluminosilicate catalyst. |
| category | flammable liquid |
| toxicity classification | poisoning |
| acute toxicity | oral-mouse LD50: 2680 mg/kg |
| flammability hazard characteristics | flammable in case of open flame, high temperature and oxidant; Toxic sulfur oxide gas produced by heat and acid |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Store separately from oxidants and acids |
| fire extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 fire extinguishing agent |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-09 02:00:03
