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8.05967

Sigma-Aldrich

3-Mercaptopropionic acid

for synthesis

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Synonym(s):
3-Mercaptopropionic acid
Empirical Formula (Hill Notation):
C3H6O2S
CAS Number:
Molecular Weight:
106.14
MDL number:
EC Index Number:
203-537-0

vapor pressure

0.053 hPa ( 20 °C)

Quality Level

assay

≥98.0% (GC)

form

liquid

autoignition temp.

350 °C

potency

96 mg/kg LD50, oral (Rat)

expl. lim.

1.60 % (v/v)

pH

2 (20 °C, 120 g/L in H2O)

bp

110 °C/20 hPa

mp

17-19 °C

transition temp

flash point 93 °C

density

1.22 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C3H6O2S/c4-3(5)1-2-6/h6H,1-2H2,(H,4,5)

InChI key

DKIDEFUBRARXTE-UHFFFAOYSA-N

Related Categories

Application

  • Thiol-ene click cross-linking for material science: Research on thiol-ene click cross-linking of starch oleate films investigated that 3-Mercaptopropionic acid is used to esterified a series of polyethylene glycol (PEGs) with varying molecular weights during the synthesis of biobased films (Boetje et al., 2023).
  • Redox-responsive nanoparticle systems for cancer therapy: A study utilized 3-Mercaptopropionic acid in the synthesis of gold nanoparticles coated with hyaluronic acid and folic acid, demonstrating its application in targeted anticancer therapy through a redox-responsive mechanism (Munderere et al., 2024).
  • Preparation of superhydrophobic materials: The application of 3-Mercaptopropionic acid in the preparation of superhydrophobic fabric via Michael addition under ultraviolet light was explored, indicating its utility in creating water-resistant textile surfaces (Wang et al., 2023).
  • Optoelectronic applications in nanocomposite films: Research involved 3-Mercaptopropionic acid in the eco-friendly electrophoretic deposition of fluorescent nanocomposite films, employing quantum dots for enhanced optoelectronic applications, reflecting its role in sustainable materials engineering (Morimoto et al., 2024).

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.220 - 1.222
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

pictograms

CorrosionSkull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Storage Class

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 1

flash_point_f

200.1 °F - closed cup

flash_point_c

93.4 °C - closed cup


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