T400 Sigma-Aldrich

DL-Tartaric acid

ReagentPlus®, 99%

Synonym: DL-2,3-Dihydroxybutanedioic acid

  • CAS Number 133-37-9

  • Linear Formula HOOC(CHOH)2COOH

  • Molecular Weight 150.09

  •  Beilstein/REAXYS Number 1725148

  •  EC Number 205-105-7

  •  MDL number MFCD00071626

  •  PubChem Substance ID 24900184

  •  NACRES NA.22



Related Categories Building Blocks, C1 to C5, Carbonyl Compounds, Carboxylic Acids, Chemical Synthesis,
Quality Level   200
grade   ReagentPlus®
assay   99%
mp   210-212 °C (lit.)
SMILES string   O[C@@H]([C@H](O)C(O)=O)C(O)=O
InChI   1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)/t1-,2-/m0/s1



DL-Tartaric acid can be used:
• In the Debus–Radziszewski reaction as a weak acid for the synthesis of imidazolium ionic liquid.
• As an additive in electrochemical deposition technique for the synthesis of bismuth thin films to be used as X-ray absorbers.
• As a complexing agent for the synthesis of nano-crystalline indium tin oxide (ITO) powder.
• As a dopant for the synthesis of polyaniline nanofibers and nanotubes by oxidation polymerization.


25, 100, 500 g in poly bottle

Legal Information

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

Safety & Documentation

Safety Information

GHS05  GHS05
Signal word 
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 
Flash Point(F) 
410.0 °F - closed cup
Flash Point(C) 
210 °C - closed cup


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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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.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
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 naturally occurring form of tartaric acid?
The natural form of tartaric acid is L-(+)-tartaric acid.
How is Product T400, DL-Tartaric acid, used?
Tartaric acid is used in the organic synthesis of chiral molecules.
As the racemic form, how can Product T400, DL-Tartaric acid, also be listed?
Product T400, racemic tartaric acid, can also be listed as DL-(S,S/R,R)-(±)-tartaric acid.
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.
My question is not addressed here, how can I contact Technical Service for assistance?
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Protocols & Articles


HPLC Analysis of Tartaric Acid Enantiomers on Astec® CLC-D, Trace Level Detection

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Tartaric Acid Enantiomers on Astec® CLC-D, Trace Level Detection
Keywords: Chromatography, High performance liquid chromatography

Peer-Reviewed Papers


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