Tetrahydrothiophene
Tetrahydrothiophene, THT, is most commonly used as a gas odorant for piped natural gas (PNG) and biogas. It is added to otherwise odorless gases in order to detect leaks.
Details
Chemical Formula
C4H8S
EC Number
203-728-9
CAS Number
110-01-0
Industries
- Gas odorants
Applications
- Biogas
- Natural gas
Specification
- Tetrahydrothiophane: min. 99.0 wt%
- Flash point : 13°C
- Lower explosion limit : 1.1%(V)
- Upper explosion limit : 12.3%(V)
- Oxidizing properties : No
- Autoignition temperature : 215°C
- Boiling point/boiling range : 119°C
- Vapor pressure: 5.51 kPa at 38°C
- Relative density: 1 g/cm³
- Water solubility: 5.8 g/l at 20°C
- Percent volatile: >99%
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