2-mercaptopyridine
2(1H)-pyridinethione
Identification
| Name | 2-mercaptopyridine |
| IUPAC | 1H-pyridine-2-thione |
| CAS Number | 2637-34-5 |
| EINECS | 220-131-9 |
| FDA UNII | EE982KT952 |
| Molecular Formula | C5 H5 N S |
| Molecular Weight | 111.16685000 |
| MDL Number | MFCD00006285 |
| Nikkaji Number | J51.344J |
| Beilstein | 0105787 |
| XlogP3 | -0.10 (est) |
Regulatory
Physical Properties
| Appearance | yellow crystalline powder (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Melting Point | 128.00 to 130.00 °C. @ 760.00 mm Hg |
| Boiling Point | 184.00 to 186.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 0.631000 mmHg @ 25.00 °C. (est) |
| Flash Point | 150.00 °F. TCC ( 65.56 °C. ) |
| logP (o/w) | -0.130 |
| Shelf Life | 12.00 month(s) or longer if stored properly. |
| Storage | refrigerate in tightly sealed containers. |
| Soluble in | alcohol |
Organoleptic Properties
| Taste Description | burnt, enhances the burnt note |
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | intraperitoneal-mouse LD50 250 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 | information only not used for fragrances or flavors |
| Recommendation for 2-mercaptopyridine usage levels up to | not for fragrance use. |
| Recommendation for 2-mercaptopyridine flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
2-
mercapto pyridine
pyridin-2-thiol
2-
pyridine thiol
pyridine-2-thiol
pyridine-2-thione
1H-
pyridine-2-thione
pyridine-2(1H)-thione
2-
pyridinethiol
2-
pyridinethione
2(1H)-
pyridinethione
2-
pyridyl mercaptan
2-
sulfanylpyridine
2-
thiopyridine
US Patents:
3,952,024 - Furfurylthioacetone