Methyl Mercaptan (Methanethiol)

CH4S

Methyl mercaptan is manufactured by a chemical synthesis method and then purified by distillation.

Standard Specifications

Purity / Assay
Impurities (Mol ppm)
1.8
98.0%
2.5
99.5%
Sum of Dimethylsulphide +
Dimethyldisulphide
< 2.0%< 0.5%
Total Impurities< 2.0%< 0.5%

**Moisture Specification only guaranteed if cylinders prepared by AGT International

Please contact us if the specification you require is not shown above. AGT International is able to custom manufacture different specifications according to your requirements.

Standard Cylinder Sizes and Fill Volumes

Cylinder Information 
Cylinder SizeFill Volume (kg)
H4425.0
H10A6.4
Lecture bottle227g

If you require a different container size please contact us.

Technical Information

Technical Data Shipping Information 
Molecular Weight (g/mol)48.1Shipping NameMethyl Mercaptan
Liquid Density (kg/m³)886Hazard Class2.1
Gas Density (kg/m³)2.12UN No.UN 1064
Boiling point (°C)5.96Hazard LabelFlammable gas
Specific Volume (m³/kg)0.468CAS No.74-93-1
Vapour Pressure (bar.a @ 20°C)N/A
Valve OutletCGA 330 / DIN 1