2-Phospho-L-ascorbic acid trisodium salt
2-Phospho-L-ascorbic acid trisodium salt (CAS 66170-10-3) is a stable, water-soluble derivative of Vitamin C with the empirical formula C6H6Na3O9P · xH2O. Its molecular weight is 322.05 on an anhydrous basis. This compound is primarily utilised in cell biology and nutrition research. Tech Serve Solutions supplies this chemical for laboratory and research applications.
- IUPAC
- L-Ascorbic acid 2-phosphate trisodium salt,Sodium L-ascorbyl-2-phosphate
- Synonyms
- L-Ascorbic acid 2-phosphate trisodium saltSodium L-ascorbyl-2-phosphate

Cell Biology Research
Serves as a vital reagent in cell culture media, supporting cellular functions and research into biological processes at the cellular level.
Nutrition Research
Utilised in studies investigating the metabolic pathways and health benefits associated with vitamin C derivatives and their biological activity.
Biochemical Assays
Employed in various biochemical assays requiring a stable and pure source of L-ascorbic acid 2-phosphate for experimental accuracy.
| Molecular weight | 322.05 (anhydrous basis) |
|---|---|
| Empirical formula | C6H6Na3O9P · xH2O |
| Assay | ≥95.0% (HPLC) |
| pH | 9.0-9.5 (25 °C, 30 g/L in H2O) |
| Impurities tested | ≤7.5% water (Karl Fischer) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Cation traces | Al: ≤10 mg/kgAs: ≤2 mg/kgBa: ≤5 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤10 mg/kgMg: ≤10 mg/kgMn: ≤5 mg/kgMo: ≤5 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgSr: ≤5 mg/kgZn: ≤5 mg/kg |
| Anion traces | chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤50 mg/kg |
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 2-Phospho-L-ascorbic acid trisodium salt used for?
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This compound is primarily used in cell biology and nutrition research due to its stable, water-soluble nature as a Vitamin C derivative.
What is the CAS number and formula for 2-Phospho-L-ascorbic acid trisodium salt?
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The CAS number is 66170-10-3, and the empirical formula is C6H6Na3O9P · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Phospho-L-ascorbic acid trisodium salt with an assay of ≥95.0% (HPLC). We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 2-Phospho-L-ascorbic acid trisodium salt be handled?
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Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Refer to the Safety Data Sheet for comprehensive handling instructions and hazard information.
Is 2-Phospho-L-ascorbic acid trisodium salt a controlled substance?
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No, the provided data does not indicate that 2-Phospho-L-ascorbic acid trisodium salt is a controlled substance.
How is this chemical packed and shipped?
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Tech Serve Solutions ensures appropriate packaging for safe handling, transport, and export of fine chemicals globally.
How can I request a sample or quote?
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To request a sample or quote, please contact our sales team through the website or designated inquiry channels.
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