Tri-Sodium Citrate Dihydrate AGR
Tri-sodium citrate dihydrate, AGR grade. C₆H₅Na₃O₇·2H₂O, M.W. 294.10, CAS 6132-04-3. Assay ≥ 99%. pH in 5% aqueous solution 7–9 at 20°C. Controlled impurities: Fe ≤ 0.0005%, Cl⁻ ≤ 0.001%, SO₄ ≤ 0.005%, PO₄ ≤ 0.002%, Pb ≤ 0.0005%, NH₄ ≤ 0.001%. Water-insoluble substances ≤ 0.005%. Suitable for buffer preparation, biological sample preservation and analytical applications requiring tight control of metallic and ionic impurities.
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29610
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Tri-Sodium Citrate Dihydrate AGR
C₆H₅Na₃O₇·2H₂O. M.W. 294.10. CAS 6132-04-3. EC 200-675-3. TARIC 29181500. AGR grade, assay ≥ 99%. Suitable for analytical and laboratory applications where low levels of metallic and ionic impurities are required.
Technical Specifications
- Assay: ≥ 99%
- pH (5% water, 20°C): 7 - 9
- Substances insoluble in water (H₂O): ≤ 0.005%
- Iron (Fe): ≤ 0.0005%
- Chloride (Cl⁻): ≤ 0.001%
- Ammonia salts (NH₄): ≤ 0.001%
- Phosphate (PO₄): ≤ 0.002%
- Sulfates (SO₄): ≤ 0.005%
- Lead (Pb): ≤ 0.0005%
Typical Applications
Used in the preparation of citrate buffers for electrophoresis, HPLC and enzyme assays. Functions as an anticoagulant in blood sample collection, chelating agent and preservative in biological reagents. The pH range of 7–9 in 5% solution makes it appropriate for neutral-to-basic buffering systems.
Identification and Transport
- Formula: C₆H₅Na₃O₇·2H₂O
- M.W.: 294.10
- CAS: 6132-04-3
- EC: 200-675-3
- TARIC: 29181500
- P-statements: P102-P202
| Brand | Labkem |
|---|---|
| Grade | Analytical Grade |
| Assay | ≥ 99.0% |
| Density | 1,76 |
| M | 294.10 |
| CAS | 6132-04-3 |
| EINECS | 200-675-3 |
| formula | C6H5Na3O7·2 H2O |
| Tarix Code (CODCN) | 29181500 |
| P | P102-P202 |
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