Plot No. C40, Road No. 21Y, MIDC, Wagle Industrial Estate, Thane(W)-400604, MH, India
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Sodium dihydrogen phosphate monohydrate Meets USP 41-NF 36, BP 2016 and IP 2018 testing specifications
SKU:
TC068M
CAS Number :
10049-21-5
Molecular Formula :
NaH₂PO₄.H₂O
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Product Identifier
| Product Code | TC068M |
|---|---|
| Molecular weight | 137.99 |
| Molecular formula | NaH2PO4.H2O |
| CAS No. | 10049-21-5 |
| Synonym | Sodium dihydrogen phosphate monohydrate |
Technical Specification
| Appearance (USP) | Colorless crystals, or white crystalline powder, slightly deliquescent |
|---|---|
| Appearance (BP) | Colourless crystals or a white powder |
| Appearance (IP) | A white powder or colourless crystals |
| Solubility (USP) | Freely soluble in water, practically insoluble in alcohol |
| Solubility (BP) | Very soluble in water, very slightly soluble in ethanol (96%) |
| Solubility (IP) | Very soluble in water, very slightly soluble in ethanol |
| Identification A : Sodium (USP) | Meets the requirements |
| Identification A (BP) | 10% solution in water is slightly acid |
| Identification A (IP) | Reactions for phosphates |
| Identification B : Phosphate (USP) | Meets the requirements |
| Identification B (BP) | 10% solution in water yields the reaction characteristics of phosphates |
| Identification B (IP) | Reactions for sodium salts |
| Identification C (BP) | 10% solution in water in water neutralize with 10% w/v solution of potassium hydroxide yields reaction A characteristics of sodium salts |
| Identification D : Loss on drying (BP) | 11.50 - 14.50% (at 130°C to constant weight) |
| pH (5% in water at 25°C) (USP, IP) | 4.10-4.50 |
| Clarity and color of solution (BP) | 10% solution in water is clear and colorless |
| Acidity: pH (BP) | 4.2-4.5 (mixture of 5 mL of solution S and 5 mL of water) |
| Chloride (USP, IP) | <= 0.014% |
| Chloride (BP) | <= 0.02% |
| Sulfates (USP, IP) | <= 0.15% |
| Sulfate (BP) | <= 0.03% |
| Iron (BP) | <= 0.001% |
| Insoluble substances (USP, IP) | <= 0.20% |
| Arsenic (USP, IP) | <= 0.0008% |
| Arsenic (BP) | <= 0.0002% |
| Reducing substances (BP) | The solution retains a slight red colour |
| Aluminium, Calcium, and related elements (USP, IP) | The sample solution does not become turbid when rendered slightly alkaline to litmus paper with 6N ammonium hydroxide |
| Heavy metals (IP) | <= 0.0020% |
| Water (USP, IP) | 10.00 - 15.00% |
| Loss on drying (BP) | 11.50 -14.50% (at 130°C to constant weight) |
| Assay (NaOH T, on anhydrous basis)(USP, IP) | 98.00 103.00% |
| Assay (NaOH T, dried substance)(BP) | 98.00 100.50% |
Storage and Shelf Life
| Storage conditions | Store below 30°C away from bright light. |
|---|---|
| Shelf life | 48 months. |
| Usage instruction | Use before expiry date given on the product label. |
CAS Number :
10049-21-5
Molecular Formula :
NaH₂PO₄.H₂O
| Product Name | Sodium dihydrogen phosphate monohydrate Meets USP 41-NF 36, BP 2016 and IP 2018 testing specifications |
|---|---|
| SKU | TC068M |
| CAS No | 10049-21-5 |
| EC No. | 231-449-2 |
| Molecular formula | NaH₂PO₄.H₂O |
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