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Merck
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Key Documents

475343

Sigma-Aldrich

Thioglycolic acid

≥97%

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:
12352100
PubChem Substance ID:
NACRES:
NA.22

vapor density

3.2 (vs air)

Quality Level

vapor pressure

0.4 mmHg ( 25 °C)

Assay

≥97%

autoignition temp.

662 °F

refractive index

n20/D 1.505 (lit.)

bp

96 °C/5 mmHg (lit.)

mp

−16 °C (lit.)

density

1.326 g/mL at 20 °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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Legal Information

Product of Arkema Inc.

Pictograms

Skull and crossbonesCorrosion

Signal Word

Danger

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

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

266.0 °F - closed cup

Flash Point(C)

130 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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