| Formula / Notation | C2H6S |
|---|---|
| CAS Number | 75-08-1 |
| Molecular Weight | 62.14 |
| Melting Point | -234 °F (USCG, 1999) |
| Boiling Point | 93.9 °F at 760 mmHg (USCG, 1999) |
| Density | 0.826 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | 0.7 % (NIOSH, 2024) |
| Appearance | Ethyl mercaptan appears as a clear colorless low-boiling liquid (boiling point 97 °F) with an overpowering, garlic-like/skunk-like odor. Flash point -55 °F. Less dense than water and very slightl... |
| Also Known As | ETHYL MERCAPTAN; 75-08-1; Mercaptoethane; Ethyl sulfhydrate; Thioethanol; Ethyl thioalcohol; Thioethyl alcohol; Ethyl hydrosulfide; Aethylmercaptan; Etilmercaptano |
| Category | Organic Compounds |
What is Ethanethiol?
Ethanethiol is an alkanethiol that is ethane substituted by a thiol group at position 1. It is added to odorless gaseous products such as liquefied petroleum gas (LPG) to provide a garlic scent which helps warn of gas leaks. It has a role as a rodenticide.
Formula & Notation
IUPAC Name: ethanethiol
Other Names / Synonyms: ETHYL MERCAPTAN; 75-08-1; Mercaptoethane; Ethyl sulfhydrate; Thioethanol; Ethyl thioalcohol; Thioethyl alcohol; Ethyl hydrosulfide; Aethylmercaptan; Etilmercaptano
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -234 °F (USCG, 1999) |
| Boiling Point | 93.9 °F at 760 mmHg (USCG, 1999) |
| Density | 0.826 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Molecular Weight | 62.14 |
| Solubility | 0.7 % (NIOSH, 2024) |
| Appearance | Ethyl mercaptan appears as a clear colorless low-boiling liquid (boiling point 97 °F) with an overpowering, garlic-like/skunk-like odor. Flash point -55 °F. Less dense than water and very slightl... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Ethanethiol is an alkanethiol that is ethane substituted by a thiol group at position 1. It is added to odorless gaseous products such as liquefied petroleum gas (LPG) to provide a garlic scent which helps warn of gas leaks. It has a role as a rodenticide.
Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.
Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.
The formula or notation for Ethanethiol is: C2H6S