2-naphthyl mercaptan
2-naphthalenethiol
Identification
| Name | 2-naphthyl mercaptan |
| IUPAC | naphthalene-2-thiol |
| CAS Number | 91-60-1 |
| EINECS | 202-082-5 |
| FDA UNII | SZ5U1S741V |
| Molecular Formula | C10 H8 S |
| Molecular Weight | 160.23876000 |
| MDL Number | MFCD00004086 |
| Nikkaji Number | J60.031H |
| Beilstein | 0636389 |
| CoE Number | 2330 |
| XlogP3 | 3.70 (est) |
Regulatory
| JECFA Food Flavoring | 531 2-naphthalenethiol |
| DG SANTE Food Flavourings | 12.033 naphthalene-2-thiol |
| FEMA Number | 3314 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 91-60-1 ; 2-NAPHTHALENTHIOL |
Physical Properties
| Appearance | colorless crystals (est) |
| Assay | 97.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Melting Point | 79.00 to 83.00 °C. @ 760.00 mm Hg |
| Boiling Point | 286.00 to 288.00 °C. @ 760.00 mm Hg, 210.00 to 211.00 °C. @ 100.00 mm Hg |
| Vapor Pressure | 0.005000 mmHg @ 25.00 °C. (est) |
| Flash Point | 273.00 °F. TCC ( 133.89 °C. ) |
| logP (o/w) | 3.511 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
| Similar Items | note |
Organoleptic Properties
| Odor Description |
at 0.10 % in propylene glycol. Sulfureous, oily, brown, brothy, meaty, rubbery, mushroom-like
|
| Odor sample from | Sigma-Aldrich |
| Taste Description | at 10.00 ppm. |
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | intraperitoneal-mouse LD50 200 mg/kg |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavoring agents |
| Recommendation for 2-naphthyl mercaptan usage levels up to | not for fragrance use. |
| baked goods | - |
| beverages(nonalcoholic) | - |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | - |
| fruit ices | - |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | - |
| 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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Potential Uses
Natural Occurrence
Synonyms
2-
mercaptonaphthalene
beta-
mercaptonaphthalene
naphthalen-2-thiol
2-
naphthalene thiol
beta-
naphthalene thiol
naphthalene-2-thiol
2-
naphthalenethiol
beta-
naphthalenethiol
2-
naphthyl hydrosulfide
beta-
naphthyl mercaptan
2-
naphthyl thiol
thio-2-naphthol
2-
thionaphthol
2-
thionapthol
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