T6750
Thioglycolic acid solution
~70 % (w/w) in H2O
Synonym(s):
Mercaptoacetic acid
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About This Item
Linear Formula:
HSCH2COOH
CAS Number:
Molecular Weight:
92.12
Beilstein:
506166
EC Number:
MDL number:
UNSPSC Code:
12352201
PubChem Substance ID:
NACRES:
NA.21
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Quality Level
concentration
~70 % (w/w) in H2O
density
1.25 g/mL at 25 °C (lit.)
storage temp.
2-8°C
SMILES string
OC(=O)CS
InChI
1S/C2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4)
InChI key
CWERGRDVMFNCDR-UHFFFAOYSA-N
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Caution
At room temperature, concentrations over about 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.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1B
WGK
WGK 3
Flash Point(F)
closed cup
Flash Point(C)
closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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