di-Sodium hydrogen phosphate anhydrous

SKU:
TC051M
CAS Number : 7558-79-4
Molecular Formula : Na₂HPO₄
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Product Identifier

Product Code TC051M
Molecular weight 141.96
Molecular formula Na₂HPO₄
CAS No. 7558-79-4

Quality Control

Appearance (USP) White powder that readily absorb moisture
Appearance (EP, BP) White or almost white powder, hygroscopic
Solubility (USP) Freely soluble in water; insoluble in alcohol
Solubility (EP, BP) Soluble in water, practically insoluble in ethanol (96%)
Appearance of solution (EP, BP) 5% solution in water is clear and colourless
Identification A (USP) Reactions for sodium
Identification A (EP, BP) 5% solution in water is slightly alkaline
Identification B (USP) Reactions for phosphate
Identification B : LOD (EP, BP) ≤ 1.0% (at 105°C, 4hr)
Identification C (EP, BP) 5% solution in water gives reaction (b) of phosphate
Identification D (EP, BP) 5% solution in water gives reaction (a) of sodium
Arsenic (USP) ≤ 0.0016%
Arsenic (EP, BP) ≤ 0.0002%
Chloride (USP) ≤ 0.06%
Chloride (EP, BP) ≤ 0.02%
Iron (EP, BP) ≤ 0.002%
Sulphate (USP) ≤ 0.2%
Sulphate (EP, BP) ≤ 0.05%
Reducing substances (EP, BP) The colour of the permanganate is not completely discharged
Insoluble substances (USP) ≤ 0.4%
Monosodium phosphate (EP, BP) ≤ 2.5%
Loss on drying: (at 130°C, 2hr) (USP) ≤ 5.00%
Loss on drying (at 105°C, 4hr) (EP, BP) ≤ 1.00%
Assay (NaOH T, dried basis) (USP) 98.00 - 100.50%
Assay (NaOH T, dried substance) (EP, BP) 98.00 - 101.00%

Storage and Shelf Life

Storage Store below 30°C away from bright light.
Shelf life 48 months.
Use before expiry date Use before expiry date given on the product label.
CAS Number : 7558-79-4
Molecular Formula : Na₂HPO₄
More Information
Product Name di-Sodium hydrogen phosphate anhydrous
SKU TC051M
CAS No 7558-79-4
EC No. 231-448-7
Molecular formula Na₂HPO₄
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