Monothioglycerol

Monothioglycerol or Thioglycerol or Thioglycerin or 3-Mercaptopropane-1,2-diol is a chemical compound that is used as a matrix in fast atom bombardment mass spectrometry and liquid secondary ion mass spectrometry. It has relative density of about 1.25.

Properties and Specifications of Monothioglycerol or Thioglycerol or Thioglycerin or 3-Mercaptopropane-1,2-diol:
Appearance: Viscous colorless to faint yellowish liquid.
Odor: Slight sulfide odor.
Purity: 99%
Residue on ignition: Not more than 0.1%.
Boiling point: 118C.
Relative density: about 1.25
Solubility: Soluble in water. Insoluble in ether. Miscible with alcohol.

Monothioglycerol USP NF Grade Specifications:
C3H8O2S - 108.16
1,2-Propanediol, 3-mercapto-;
3-Mercapto-1,2-propanediol CAS Number 96-27-5

DEFINITION
Monothioglycerol contains NLT 97.0% and NMT 101.0% of monothioglycerol (C3H8O2S), calculated on the anhydrous basis.

Residue on Ignition: NMT 0.1%
Selenium: 30 µg/g.
Specific Gravity: 1.241–1.250
Refractive Index: 1.521–1.526
pH of 10% solution: 3.5–7.0
Water Determination: NMT 5.0%
Packaging and Storage: Preserve in tight containers.

Certifications :
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