Odorant composition for liquefied petroleum gases
Patent
·
OSTI ID:6569646
Pennwalt Corp.'s new odorant for LP-gas remains fairly constant in concentration as the LP-gas cylinder is emptied with use, unlike conventional odorants which vary over a 20 to 50-fold range as evaporation continues. The odorant consists of an azeotropic mixture of ethyl mercaptan and/or dimethyl sulfide and a chemically inert, relatively nonodorous organic material capable of forming a minimum-boiling-point azeotrope with ethyl mercaptan and/or dimethyl sulfide. Examples of the inert material are methyl formate, n-pentane, isopentane, amylene, isoamylene, and chloropropane.
- Assignee:
- Pennwalt Corp.
- Patent Number(s):
- US 3826631
- OSTI ID:
- 6569646
- Country of Publication:
- United States
- Language:
- English
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