In this article we will explore the topic of 3-Mercaptopropionic acid from a multidisciplinary approach, analyzing its implications and relevance in different contexts. 3-Mercaptopropionic acid is a topic widely studied and debated in various fields, its repercussions range from the social to the scientific sphere, and its influence extends throughout history. Through a comprehensive analysis, we aim to shed light on 3-Mercaptopropionic acid and offer a complete perspective that allows us to understand its importance and scope today. Throughout this article, we will examine different aspects of 3-Mercaptopropionic acid and explore its impact on society today, as well as possible implications for the future.
Names | |
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Preferred IUPAC name
3-Sulfanylpropanoic acid | |
Other names
3-MPA; 3-Mercaptopropanoic acid; β-Mercaptopropionic acid
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Identifiers | |
3D model (JSmol)
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773807 | |
ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.003.216 |
EC Number |
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101294 | |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C3H6O2S | |
Molar mass | 106.14 g·mol−1 |
Density | 1.218 |
Melting point | 16.9 °C (62.4 °F; 290.0 K) |
Boiling point | 111 °C (232 °F; 384 K) |
soluble | |
Solubility | ether benzene alcohol water |
Acidity (pKa) | 4.34 |
Refractive index (nD)
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1.4911 at 21 °C |
Hazards | |
GHS labelling: | |
Danger | |
H290, H301, H314, H332 | |
P234, P260, P261, P264, P270, P271, P280, P301+P310, P301+P330+P331, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P330, P363, P390, P404, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa).
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3-Mercaptopropionic acid (3-MPA) is an organosulfur compound with the formula HSCH2CH2CO2H. It is a bifunctional molecule, containing both carboxylic acid and thiol groups. It is a colorless oil. It is derived from the addition of hydrogen sulfide to acrylic acid.
It is competitive inhibitor of glutamate decarboxylase, and therefore acts as a convulsant. It has higher potency and faster onset of action compared to allylglycine.
It is used to prepare hydrophilic gold nanoparticles, exploiting the affinity of gold for sulfur ligands.
It is esterified with polyols to form thiol-based polymer cross-linking agents such as pentaerythritol-based pentaerythritol tetrakis(3-mercaptopropionate).