Ethyl mercaptan blend
Ethyl mercaptan blend is a mixture of mercaptans and sulfides with ethanethiol as its primary constituent. It is most commonly used as a gas odorant for liquified petroleum gases (LPG) as well as piped natural gas for heating and cooking. It is added to odorless gases due to its strong odor in order to detect leaks.
Details
Chemical Formula
C2H5SH
EC Number
200-837-3
CAS Number
75-08-1
Industries
- Gas odorants
Applications
- Natural gas
- LPG
Specification
- Ethyl mercaptan: min. 99.0 wt%
- Flash point : -48°C
- Lower explosion limit : 2.8%(V)
- Upper explosion limit : 18%(V)
- Oxidizing properties : No
- Autoignition temperature : 295°C
- Boiling point/boiling range : 35°C
- Vapor pressure: 112 kPa at 38°C
- Relative density: 0.84 at 16°C
- Water solubility: Negligible
- Relative vapor density: 2.1
- Evaporation rate: 1
- Percent volatile: >99 %
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