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Thioglycolic acid

SIAL/T3758 - 98%

Synonym: Mercaptoacetic acid

CAS Number: 68-11-1
Empirical Formula (Hill Notation): C2H4O2S
Molecular Weight: 92.12
EC Number: 200-677-4
MDL Number: MFCD00004876
Linear Formula: HSCH2COOH
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-T3758-100ML 100 mL
 $62.20
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45-T3758-500ML 500 mL
 $104.00
1/EA		 Add To Favorites

 

assay 98%
autoignition temp. 662 °F
bp 96 °C/5 mmHg (lit.)
color clear colorless
density 1.326 g/mL at 20 °C (lit.)
form liquid
functional group carboxylic acid
  thiol
InChI 1S/C2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4)
InChI key CWERGRDVMFNCDR-UHFFFAOYSA-N
mp −16 °C (lit.)
pH (1,5 at 10 g/l at 20 °C)
Quality Level 200 
refractive index n20/D 1.505 (lit.)
shipped in wet ice
SMILES string OC(=O)CS
solubility water: soluble 1.000 g/L at 20 °C
storage temp. 2-8°C
vapor density 3.2 (vs air)
vapor pressure 0.4 mmHg ( 25 °C)
Application: Thioglycolic acid may be used as a sulfur source for the synthesis of metal sulfide nanostructures via hydrothermal process.
Disclaimer: At room temperature, concentrations over approximately 70% in water tend to form 1-2% thioglycolides per month, which hydrolyze to the original free compound when made acid or alkaline. The 70% solution oxidizes in air, but is stable at room temperature when tightly closed. Thioglycolate salts may also lose purity on storage. The exclusion of air does not materially improve stability.
General description: Thioglycolic acid is a mercaptocarboxylic acid that serves as a stabilizer, reducing agent, and ligand.
Packaging: 100, 500 mL in glass bottle
Purity 98%
bp 96 °C/5 mmHg (lit.)
mp −16 °C (lit.)
Density 1.326 g/mL at 20 °C (lit.)
Refractive Index n20/D 1.505 (lit.)
Storage Temp. 2-8°C
UNSPSC 12352100

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