Hangzhou Hongyu Chemical Co., Ltd.
Methanethiol (also known as methyl mercaptan) is an organosulfur compound with the chemical formula CH3SH. It is a colorless gas with a distinctive putrid smell.
It is a natural substance found in the blood, brain and feces of animals (including humans), as well as in plant tissues. It also occurs naturally in certain foods, such as some nuts and cheese.
It is one of the chemical compounds responsible for bad breath and the smell of flatus. Methanethiol is the simplest thiol and is sometimes abbreviated as MeSH. It is very flammable.
Methanethiol description:
| Names | |
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| English name
Methanethiol
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| Other names
Methyl mercaptan
Mercaptomethane Methiol Thiomethyl alcohol/Thiomethanol Methylthiol |
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| Identifiers | |
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3D model (JSmol)
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PubChem CID
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| UNII | |
| UN number | 1064 |
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CompTox Dashboard (EPA)
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| Properties | |
| CH3SH | |
| Molar mass | 48.11 g·mol−1 |
| Appearance | colorless gas[1] |
| Odor | Distinctive, like that of rotten cabbage or eggs |
| Density | 0.9 g/mL (liquid at 0°C)[1] |
| Melting point | −123 °C (−189 °F; 150 K) |
| Boiling point | 5.95 °C (42.71 °F; 279.10 K) |
| 2% | |
| Solubility | alcohol, ether |
| Vapor pressure | 1.7 atm (20°C)[1] |
| Acidity (pKa) | ~10.4 |
| Shipping | Promote shipping usually 45--60 days after receiving T/T 100% IN ADVANCE PAYMENT. |
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