L-Malic acid disodium salt monohydrate
L-Malic acid disodium salt monohydrate (CAS: 207511-06-6), with the molecular formula NaO2CCH2CH(OH)CO2Na · H2O and a molecular weight of 196.07 g/mol, is a chiral building block. This organic compound is primarily used in chemical synthesis and asymmetric synthesis. Its properties make it a valuable intermediate in various research and development applications within the chemical and pharmaceutical industries.
- IUPAC
- (S)-(−)-Hydroxysuccinic acid disodium salt,(S)-(−)-Malic acid disodium salt

Chiral Building Block in Asymmetric Synthesis
This compound serves as a chiral synthon, enabling the stereoselective synthesis of complex organic molecules. Its inherent chirality is critical for creating enantiomerically pure intermediates and final products in pharmaceutical and fine chemical manufacturing.
Intermediate in Organic Synthesis
As a functionalised dicarboxylic acid salt, it can participate in a range of organic transformations. It is employed in research laboratories for developing new synthetic routes and novel compounds.
Carboxylic Acid Salt Applications
The disodium salt form offers specific solubility and reactivity characteristics, differentiating it from the parent malic acid. This can be advantageous in certain reaction conditions or formulations where controlled pH or salt buffering is required.
| Molecular weight | 196.07 |
|---|---|
| Linear formula | NaO2CCH2CH(OH)CO2Na · H2O |
| Assay | 98% |
| Optical activity | [α]21/D −7.0°, c = 15 in H2O |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 monohydrate used for?
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L-Malic acid disodium salt monohydrate is primarily utilised as a chiral building block and intermediate in asymmetric synthesis and general organic synthesis. It is also used in applications requiring a carboxylic acid salt with specific solubility properties.
What is the CAS number and molecular formula?
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The CAS number for L-Malic acid disodium salt monohydrate is 207511-06-6, and its molecular formula is NaO2CCH2CH(OH)CO2Na · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Malic acid disodium salt monohydrate with an assay of 98%. This product is not classified as USP, BP, or EP grade unless explicitly stated otherwise in the product documentation.
How should L-Malic acid disodium salt monohydrate be handled?
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L-Malic acid disodium salt monohydrate is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be worn during handling. Ensure adequate ventilation.
Is L-Malic acid disodium salt monohydrate a controlled substance?
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The provided data does not indicate that L-Malic acid disodium salt monohydrate is a controlled substance.
How is this chemical packed, shipped, and exported?
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L-Malic acid disodium salt monohydrate is available from Tech Serve Solutions, a global supplier and exporter. Packaging is designed to ensure product integrity during transport, adhering to relevant shipping regulations.
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 monohydrate, please contact our sales team through the TSS website or via the provided contact details.
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