3-Mercaptopropane-1,2-diol

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.^[2]

3-Mercaptopropane-1,2-diol

Names
Preferred IUPAC name 3-Sulfanylpropane-1,2-diol[1]
Other names Thioglycerol Monothioglycerol Thioglycerin Thiovanol 1-Thioglycerol Monothioglycerin Glycerol-1-thiol alpha-Thiolglycerol 3-Mercapto-1,2-propanediole
Identifiers
CAS Number	96-27-5 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:74537 N
ChemSpider	7019 Y
ECHA InfoCard	100.002.269
KEGG	D05075 Y
PubChem CID	7291
UNII	AAO1P0WSXJ Y
CompTox Dashboard (EPA)	DTXSID5046512
InChI InChI=1S/C3H8O2S/c4-1-3(5)2-6/h3-6H,1-2H2 Y Key: PJUIMOJAAPLTRJ-UHFFFAOYSA-N Y 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 g·mol−1
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). N verify (what is YN ?) Infobox references

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.
2. Caldwell, G. W.; Reitz, A. B.; Masucci, J. A. (1990). "Application of dicyandiamide as a matrix additive in fast atom bombardment mass spectrometry". Organic Mass Spectrometry. 25 (6): 317–322. doi:10.1002/oms.1210250606.