Sodium L-tartrate dibasic dihydrate
Sodium L-tartrate dibasic dihydrate (CAS 6106-24-7), with the formula C4H4Na2O6 · 2H2O and a molecular weight of 230.08 g/mol, is a versatile chemical compound. It is recognised for its chiral properties and serves as a key reagent in asymmetric synthesis and as a building block in organic chemistry. This disodium salt of tartaric acid is also employed in biochemical applications and as a chelating agent.
- IUPAC
- L-(+)-Tartaric acid disodium salt,Disodium tartrate dihydrate,Sodium tartrate dibasic dihydrate,Sodium tartrate dihydrate
- Synonyms
- L-(+)-Tartaric acid disodium saltDisodium tartrate dihydrateSodium tartrate dibasic dihydrateSodium tartrate dihydrate

Chiral Synthesis
Utilised as a chiral building block in asymmetric synthesis, enabling the stereoselective creation of complex organic molecules. Its inherent chirality makes it valuable for producing enantiomerically pure compounds.
Biochemical Reagent
Functions as a reagent in various biochemical assays and processes. It can be involved in studies of enzyme activity or as a component in buffer systems for biological research.
Chelating Agent
Acts as a chelating agent, forming stable complexes with metal ions. This property is useful in analytical chemistry and in processes where metal ion sequestration is required.
Organic Synthesis
Serves as a useful precursor and intermediate in the synthesis of diverse organic compounds. Its functional groups allow for various chemical transformations in multi-step synthetic pathways.
| Molecular weight | 230.08 |
|---|---|
| Empirical formula | C4H4Na2O6 · 2H2O |
| Assay | ≥99% |
| Grade | ACS reagent |
| Solubility | H2O: soluble0.1 M at 20 °C, clear, colorless |
| pH | 7.0-9.0 (25 °C, 50 mg/mL in H2O) |
| Optical activity | [α]20/D +26°, c = 1 in H2O |
| Loss on drying | 15.61-15.71% loss on drying |
| Impurities tested | ≤0.005% insolubles |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Cation traces | Ca: ≤0.01%Fe: ≤0.001%NH4+: ≤0.003%heavy metals: ≤5 ppm |
| Anion traces | chloride (Cl-): ≤5 ppmphosphate (PO43-): ≤5 ppmsulfate (SO42-): ≤0.005% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Uv Absorption | λ: 260 nm Amax: 0.025λ: 280 nm Amax: 0.020 |
|---|---|
| Ph Range | 7.0 - 9.0 |
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 Sodium L-tartrate dibasic dihydrate used for?
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Sodium L-tartrate dibasic dihydrate is used in asymmetric synthesis, as a biochemical reagent, and as a chelating agent in chemical synthesis.
What is the CAS number and chemical formula for Sodium L-tartrate dibasic dihydrate?
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The CAS number is 6106-24-7 and the chemical formula is C4H4Na2O6 · 2H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product in ACS reagent grade with an assay of ≥99% and ≤0.005% insolubles. We do not represent this product as USP, BP, or EP grade.
How should Sodium L-tartrate dibasic dihydrate be handled?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The substance has a WGK Germany rating of 3, indicating it is hazardous to water.
How is this chemical shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, ensuring compliant packaging and shipping for international destinations.
How can I request a quote or sample?
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Please contact our sales team via the website or phone to request a quotation or to arrange for a sample.
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