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  8. Mercaptosuccinic acid, 98%

Mercaptosuccinic acid, 98%

Product Code. 11478830
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Product Code. 11478830 Supplier Thermo Scientific Alfa Aesar Supplier No. B23301.36
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Verfügbar ab: 24-11-2026
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Description

CAS: 70-49-5 | C4H6O4S | 150.148 g/mol

Mercaptosuccinic acid is used in the preparation of mercaptosuccinic acid diethyl ester by reaction with ethanol. It is also used as a brightening agent in metal plating. Further, it serves as an intermediate for the synthesis of corrosion inhibitors, soil fumigants, active pharmaceutical ingredients and electroplating agents.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Mercaptosuccinic acid is used in the preparation of mercaptosuccinic acid diethyl ester by reaction with ethanol. It is also used as a brightening agent in metal plating. Further, it serves as an intermediate for the synthesis of corrosion inhibitors, soil fumigants, active pharmaceutical ingredients and electroplating agents.

Solubility
Soluble in water, alcohol and acetone. Slightly soluble in ether. Insoluble in benzene.

Notes
Incompatible with strong oxidizing agents and strong bases.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 70-49-5
Molecular Formula C4H6O4S
Molecular Weight (g/mol) 150.148
MDL Number MFCD00004860
InChI Key NJRXVEJTAYWCQJ-UHFFFAOYSA-N
Synonym mercaptosuccinic acid, thiomalic acid, 2-thiomalic acid, 2-mercaptosuccinic acid, monomercaptosuccinic acid, butanedioic acid, mercapto, malic acid, 2-thio, mercaptosuccinate, 2-sulfanylsuccinic acid, dl-mercaptosuccinic acid
PubChem CID 6268
ChEBI CHEBI:38705
IUPAC Name 2-sulfanylbutanedioic acid
SMILES C(C(C(=O)O)S)C(=O)O

Specifications

Melting Point 150°C to 155°C
Quantity 500 g
Beilstein 1099858
Merck Index 14,9343
Solubility Information Soluble in water,alcohol and acetone. Slightly soluble in ether. Insoluble in benzene.
Formula Weight 150.15
Percent Purity 98%
Chemical Name or Material Mercaptosuccinic acid

RUO – Research Use Only

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