L-(−)-Malic acid disodium salt
L-(−)-Malic acid disodium salt (CAS: 138-09-0), with the molecular formula C4H4O5Na2 and a molecular weight of 178.05 g/mol, is a disodium salt derived from malic acid. This chiral compound is primarily utilised in chemical synthesis and asymmetric synthesis as a valuable organic building block. Available in assay grades suitable for research and development, it serves as a key intermediate in various chemical processes.
- IUPAC
- L-Hydroxybutanedioic acid
- Synonyms
- L-Hydroxybutanedioic acid disodium saltDisodium L-malate

Asymmetric Synthesis
Utilised as a chiral building block in asymmetric synthesis to create enantiomerically pure compounds. Its defined stereochemistry makes it valuable for stereoselective reactions.
Organic Synthesis Intermediate
Serves as a versatile intermediate in the synthesis of more complex organic molecules. It functions as a source of a chiral four-carbon backbone in organic chemical synthesis.
Carboxylic Acid Salt Applications
As a disodium salt of a dicarboxylic acid, it can be employed in applications requiring buffering capabilities or as a reactant in salt metathesis reactions within chemical research.
| Molecular weight | 178.05 |
|---|---|
| Linear formula | C4H4O5Na2 |
| Assay | 95-100% (enzymatic) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is L-(−)-Malic acid disodium salt used for?
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L-(−)-Malic acid disodium salt is used in asymmetric synthesis and as a general intermediate in organic chemical synthesis. It is also categorised as a carboxylic acid salt and an organic building block.
What is the CAS number and molecular formula?
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The CAS number is 138-09-0, and the molecular formula is C4H4O5Na2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-(−)-Malic acid disodium salt with an assay of 95-100% (enzymatic). This product is not guaranteed to be USP, BP, or EP grade and is supplied for research and manufacturing purposes.
How should L-(−)-Malic acid disodium salt be handled?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A respirator filter, such as type N95 (US) or type P1 (EN143), is recommended. It is classified under WGK-2 in Germany, indicating it is hazardous to water.
Is L-(−)-Malic acid disodium salt a controlled substance?
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There is no information available in the provided data to suggest that L-(−)-Malic acid disodium salt is a controlled substance.
How is L-(−)-Malic acid disodium salt packed and shipped?
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We export fine chemicals globally, ensuring appropriate packaging for safe transit. Please contact us for specific details regarding shipping and export documentation for L-(−)-Malic acid disodium salt.
How can I request a quote or sample?
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To request a quote or a sample of L-(−)-Malic acid disodium salt, please visit the product page on our website or contact our sales department directly.
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