CH3-SH - Methanethiol, CAS# 74-93-1

Methanethiol is a colorless gas with a distinctive putrid smell. It is a natural substance found in the blood and brain of humans and other animals as well as plant tissues. It is disposed of through animal feces. It occurs naturally in certain foods, such as some nuts and cheese. It is also one of the main compounds responsible for bad breath and the smell of flatus. It is very flammable.
 

Detailed Description

Health Effects -Methanethiol as a colorless, flammable gas with an extremely strong and repulsive smell. At very high concentrations it is highly toxic and affects the central nervous system. Its penetrating odor provides warning at dangerous concentrations.
Short Term Exposure Limit (STEL) – N/A
Time Weighted Average (TWA) – 0.5PPM
Immediately Dangerous to Life or Health (IDLH) – 150ppm
Lower Explosive Limit (LEL) – 3.9%
CAS # - 74-93-1

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