3-Mercaptopropane-1,2-diol

3-Mercaptopropane-1,2-diol

Names
Preferred IUPAC name 3-Sulfanylpropane-1,2-diol
Other names 3-Mercaptopropane-1,2-diol (no longer recommended[1]) Thioglycerol Monothioglycerol Thioglycerin Thiovanol 1-Thioglycerol Monothioglycerin Glycerol-1-thiol alpha-Thiolglycerol 3-Mercapto-1,2-propanediole
Identifiers
CAS Number	96-27-5
3D model (Jmol)	Interactive image
ChEBI	CHEBI:74537
ChemSpider	7019
ECHA InfoCard	100.002.269
KEGG	D05075
PubChem	7291
UNII	AAO1P0WSXJ
InChI InChI=1S/C3H8O2S/c4-1-3(5)2-6/h3-6H,1-2H2 Key: PJUIMOJAAPLTRJ-UHFFFAOYSA-N InChI=1/C3H8O2S/c4-1-3(5)2-6/h3-6H,1-2H2 Key: PJUIMOJAAPLTRJ-UHFFFAOYAH
SMILES OCC(O)CS
Properties
Chemical formula	C3H8O2S
Molar mass	108.16
Density	1.25 g/mL
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

3-Mercaptopropane-1,2-diol, also known as thioglycerol, is a chemical compound and thiol that is used as a matrix in fast atom bombardment mass spectrometry and liquid secondary ion mass spectrometry.

See also

• Glycerol
• Mercaptoethanol

References

1. Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. p. 697. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4. The prefixes ‘mercapto’ (–SH), and ‘hydroseleno’ or selenyl (–SeH), etc. are no longer recommended.