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Sigma-Aldrich

3-Mercaptopropionic acid

≥99.0% (HPLC)

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Synonym(s):
3-MPA, 3-Sulfanylpropanoic acid, beta-Mercaptopropionic acid
Linear Formula:
HSCH2CH2CO2H
CAS Number:
Molecular Weight:
106.14
Beilstein:
773807
EC Number:
MDL number:
PubChem Substance ID:

vapor pressure

0.04 mmHg ( 20 °C)

Quality Level

Assay

≥99.0% (HPLC)

form

liquid

autoignition temp.

662 °F

refractive index

n20/D 1.492 (lit.)
n20/D 1.493

bp

110-111 °C/15 mmHg (lit.)

mp

15-18 °C (lit.)

density

1.218 g/mL at 25 °C (lit.)

absorption

cut-off at 270 nm

SMILES string

OC(=O)CCS

InChI

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

InChI key

DKIDEFUBRARXTE-UHFFFAOYSA-N

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Application

suitable for amino acid analysis by means of OPA

Other Notes

High-speed RP-HPLC/FC analysis of amino acids

Pictograms

CorrosionSkull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

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

WGK

WGK 1

Flash Point(F)

200.1 °F - closed cup

Flash Point(C)

93.4 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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T. Bartok et al.
Journal of Liquid Chromatography, 17, 4391-4391 (1994)
Brandon L Greene et al.
Journal of the American Chemical Society, 134(27), 11108-11111 (2012-06-22)
We report photocatalytic H(2) production by hydrogenase (H(2)ase)-quantum dot (QD) hybrid assemblies. Quenching of the CdTe exciton emission was observed, consistent with electron transfer from the quantum dot to H(2)ase. GC analysis showed light-driven H(2) production in the presence of
Wei Zhang et al.
Chemosphere, 89(1), 52-59 (2012-05-19)
Cadmium selenium (CdSe) quantum dots (QDs) are semiconductor nanocrystals that hold wide range of applications and substantial production volumes. Due to unique composition and nanoscale properties, their potential toxicity to aquatic organisms has increasingly gained a great amount of interest.
Qiang Wu et al.
International journal of nanomedicine, 7, 3433-3443 (2012-08-01)
Quantum dots (QDs) show promise as novel nanomaterials for sentinel lymph node (SLN) mapping through their use in noninvasive in vivo fluorescence imaging, and they have provided remarkable results. However, in vivo fluorescence imaging has limitations mainly reflected in the
Hui Zhang et al.
Chemical communications (Cambridge, England), 48(4), 567-569 (2012-01-19)
Water-soluble fluorescent copper, silver and gold nanoclusters with quantum yields of 2.2, 6.8 and 5.3%, respectively, are prepared by a robust photoreduction of their inorganic precursors in the presence of poly (methacrylic acid) functionalized with pentaerythritol tetrakis 3-mercaptopropionate.

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