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Sigma-Aldrich

Mercaptosuccinic acid

ReagentPlus®, ≥99.0% (HPLC)

Synonym(s):

Thiomalic acid

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About This Item

Linear Formula:
HOOCCH(SH)CH2COOH
CAS Number:
70-49-5
Molecular Weight:
150.15
Beilstein:
1099858
EC Number:
200-736-4
MDL number:
MFCD00004860
UNSPSC Code:
12352100
PubChem Substance ID:
57653308
NACRES:
NA.22

product line

ReagentPlus®

Assay

≥99.0% (HPLC)

form

powder

mp

145-154 °C
155-157 °C (lit.)

SMILES string

OC(=O)CC(S)C(O)=O

InChI

1S/C4H6O4S/c5-3(6)1-2(9)4(7)8/h2,9H,1H2,(H,5,6)(H,7,8)

InChI key

NJRXVEJTAYWCQJ-UHFFFAOYSA-N

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General description

Mercaptosuccinic acid is a hydrophilic thiol that can form thiomalate self-assembled monolayers when adsorbed on Au(III) surface.

Application

Mercaptosuccinic acid has been used as a dopant for the synthesis of carbon nanodots from citric acid. It can be used as a capping and reducing agent to synthesize monolayer-capped gold nanoparticles.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H315,H319,H335

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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Surface Chemistry of Thiomalic Acid Adsorption on Planar Gold and Gold Nanoparticles.
Azca?rate J, et al.
Langmuir, 30(7), 1820-1826 (2014)
A switchable peroxidase mimic derived from the reversible co-assembly of cytochrome c and carbon dots.
Essner J, et al.
Journal of Materials Chemistry, 4(12), 2163-2170 (2016)
Siqiu Ye et al.
The Analyst, 137(14), 3365-3371 (2012-06-05)
A colorimetric sensor for Cu(II) ions has been developed based on mixed self-assembled monolayers (SAMs) modified gold nanoparticles (AuNPs). The AuNPs were modified with mixed SAMs consisting of mercaptosuccinic acid and the product of electrochemically triggered Michael addition reaction of
Ming Yan et al.
Toxicology, 282(3), 94-103 (2011-02-05)
Quantum dots (QDs), as novel bioimaging and drug delivery agents, are generally introduced into vascular system by injection, and thus directly exposed to vascular endothelial cells (ECs). However, the adverse effects of QDs on ECs are poorly understood. In this
Jia Zhang et al.
The Analyst, 136(19), 3865-3868 (2011-08-11)
A colorimetric probe based on 2-mercaptosuccinic acid-functionalized gold nanoparticles has been developed to exhibit selectivity towards Ca(2+), Sr(2+), and Ba(2+) ions over other metallic cations under specified conditions and finds its practical application in detecting Ca(2+) levels in water.
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