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16583

2-Mercaptopropionic acid

analytical standard

Synonym(s):

Thiolactic acid, 2-Mercaptopropionic acid

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About This Item

Linear Formula:
CH3CH(SH)COOH
CAS Number:
79-42-5
Molecular Weight:
106.14
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
329751270
EC Number:
201-206-5
Beilstein/REAXYS Number:
506218
MDL number:
MFCD00004862
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grade

analytical standard

Quality Segment

100

assay

≥97.0% (GC)

shelf life

limited shelf life, expiry date on the label

impurities

≤3.0% water (calc. from elemental analysis)

refractive index

n20/D 1.481 (lit.)

bp

102 °C/16 mmHg (lit.), 203-208 °C (lit.)

mp

10-14 °C (lit.)

density

1.196 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

CC(S)C(O)=O

InChI

1S/C3H6O2S/c1-2(6)3(4)5/h2,6H,1H3,(H,4,5)

InChI key

PMNLUUOXGOOLSP-UHFFFAOYSA-N

General description

2-Mercaptopropionic acid is a primary metabolite of tiopronin, a drug prescribed for the treatment of cystinuria and, rheumatoid arthritis.

Application

2-Mercaptopropionic acid may be used as an analytical standard for the quantification of the analyte in biological fluids by chromatography techniques. It may also be used as an internal standard for the thiol drug derivatization before high-performance liquid chromatography (HPLC) determination in pharmaceutical formulations by HPLC.

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Hazard Classifications

Skin Corr. 1B

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 1

flash_point_f

190.4 °F - closed cup

flash_point_c

88 °C - closed cup

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