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(+-)-Mercaptosuccinic acid

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(+-)-Mercaptosuccinic acid molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 5 grades and pack sizes of (+-)-Mercaptosuccinic acid (CAS 70-49-5). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS70-49-5
Molecular formulaC4H6O4S
Molecular weight150.15 g/mol
IUPAC name2-sulfanylbutanedioic acid
SynonymsThiomalic acid · 2-Mercaptosuccinic acid · 2-Thiomalic acid · Monomercaptosuccinic acid · Mercaptosuccinate · RefChem:483750
Safety & Hazards (GHS) Warning
Irritant Irritant
  • H302 Harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma MERCAPTOSUCCINIC ACID, 97% M6182-100G
M6182-25G
M6182-500G		 Request Quote
Sigma MERCAPTOSUCCINIC ACID, REAGENTPLUS(R) 88460-500G Request Quote
Sigma MERCAPTOSUCCINIC ACID, REAGENTPLUS(R), > 88460-100G Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.