methyl mercaptan
methanethiol
Identification
| Name | methyl mercaptan |
| IUPAC | methanethiol |
| CAS Number | 74-93-1 |
| EINECS | 200-822-1 |
| FDA UNII | 2X8406WW9I |
| Molecular Formula | C H4 S |
| Molecular Weight | 48.10788000 |
| MDL Number | MFCD00004866 |
| Nikkaji Number | J1.432J |
| Beilstein | 1696840 |
| CoE Number | 475 |
Regulatory
| JECFA Food Flavoring | 508 methyl mercaptan |
| DG SANTE Food Flavourings | 12.003 methanethiol |
| FEMA Number | 2716 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 74-93-1 ; METHYL MERCAPTAN |
| FDA Regulation | FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION |
Physical Properties
| Appearance | colorless gas or liquid <6 C (est) |
| Assay | 98.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 0.86200 to 0.89400 @ 5.80 °C. |
| Pounds per Gallon - (est). | 7.173 to 7.439 |
| Refractive Index | 1.43000 to 1.43600 @ 5.80 °C. |
| Melting Point | -123.00 to -121.00 °C. @ 760.00 mm Hg |
| Boiling Point | 6.10 to 6.20 °C. @ 727.00 mm Hg, 5.90 to 6.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 1901.066040 mmHg @ 25.00 °C. (est) |
| Vapor Density | 1.66 ( Air = 1 ) |
| Flash Point | 70.00 °F. TCC ( 21.11 °C. ) |
| logP (o/w) | 0.932 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
| Similar Items | note |
Organoleptic Properties
| Odor Description |
at 0.01 % in propylene glycol. at 1.00 %. boiled cabbage Alcoholic, Cabbage VEGETABLE, SULFUROUS, EGGY, CREAMY
|
| Taste Description |
at 1.00 ppm. sulfurous
|
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | unreported-mammal (species unspecified) LD50 60670 ug/kg |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | inhalation-mouse LC50 6530 ug/m3/2H |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavor and fragrance agents |
| RIFM Fragrance Material Safety Assessment | Search |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 54.00 (μg/capita/day) |
| Structure Class | I |
| baked goods | 0.15000 |
| beverages(nonalcoholic) | - |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | 0.13000 |
| fruit ices | 0.13000 |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | 0.13000 |
| imitation dairy | - |
| instant coffee / tea | - |
| jams / jellies | - |
| meat products | - |
| milk products | - |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | - |
| snack foods | - |
| soft candy | - |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
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