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  • 88460 - Mercaptosuccinic acid

88460 Aldrich

Mercaptosuccinic acid

ReagentPlus®, ≥99.0% (HPLC)

Synonym: Thiomalic acid

  • CAS Number 70-49-5

  • Linear Formula HOOCCH(SH)CH2COOH

  • Molecular Weight 150.15

  •  Beilstein Registry Number 1099858

  •  EC Number 200-736-4

  •  MDL number MFCD00004860

  •  PubChem Substance ID 57653308



Related Categories Building Blocks, Chemical Synthesis, Organic Building Blocks, Sulfur Compounds, Thiols/Mercaptans More...
grade   ReagentPlus®
assay   ≥99.0% (HPLC)
mp   150-154 °C
  155-157 °C(lit.)


Frequently Asked Questions

Frequently Asked Questions are available for this Product.


100, 500 g in glass bottle

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ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

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Safety Information

GHS07  GHS07
Signal word 
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
Is Product 88460, Mercaptosuccinic acid, a racemic mixture?  
Yes, Product 88460, Mercaptosuccinic acid is a racemic mixture.
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Peer-Reviewed Papers


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