Magnesium citrate tribasic nonahydrate
Magnesium citrate tribasic nonahydrate (CAS: 153531-96-5; Formula: Mg3(C6H5O7)2 · 9H2O; MW: 613.25) is a magnesium salt of citric acid, supplied by Tech Serve Solutions as a hydrate. This biochemical reagent is primarily utilised in laboratory settings and research applications. Its chelating properties make it valuable for various chemical processes and analytical procedures. We ensure high-quality supply for your scientific endeavours.
- IUPAC
- Citric acid magnesium salt,Trimagnesium dicitrate nonahydrate,tri-Magnesium dicitrate nonahydrate
- Synonyms
- Citric acid magnesium saltTrimagnesium dicitrate nonahydratetri-Magnesium dicitrate nonahydrate

Laboratory Reagent
Utilised as a reagent in biochemical research and analytical chemistry. Its role as a chelating agent aids in complexing metal ions within experimental setups.
Chemical Synthesis
Can serve as a starting material or intermediate in specific chemical synthesis pathways. Its defined hydrate form is crucial for stoichiometric calculations.
Research and Development
Employed in R&D for studies involving magnesium compounds or citrate derivatives. Facilitates investigations into material science and biochemical interactions.
| Molecular weight | 613.25 |
|---|---|
| Linear formula | Mg3(C6H5O7)2 · 9H2O |
| Assay | ≥95.0% (KT) |

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 |
| Cation traces | Ca: ≤500 mg/kgCd: ≤50 mg/kgCo: ≤50 mg/kgCu: ≤50 mg/kgFe: ≤50 mg/kgK: ≤500 mg/kgNa: ≤200 mg/kgNi: ≤50 mg/kgPb: ≤50 mg/kgZn: ≤50 mg/kg |
| Anion traces | chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤500 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 Magnesium citrate tribasic nonahydrate used for?
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Magnesium citrate tribasic nonahydrate is primarily used as a laboratory reagent in biochemical research and analytical chemistry, and in chemical synthesis and research and development.
What is the CAS number and chemical formula for Magnesium citrate tribasic nonahydrate?
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The CAS number is 153531-96-5 and the chemical formula is Mg3(C6H5O7)2 · 9H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Magnesium citrate tribasic nonahydrate with an assay of ≥95.0% (KT). We do not represent this product as USP, BP, or EP grade.
How should Magnesium citrate tribasic nonahydrate be handled?
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This compound may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation.
Can Tech Serve Solutions export Magnesium citrate tribasic nonahydrate?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Magnesium citrate tribasic nonahydrate.
How can I request a sample or quote for Magnesium citrate tribasic nonahydrate?
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Please contact our sales team via the website or direct contact details to request a sample or a formal quotation for Magnesium citrate tribasic nonahydrate.
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