Di-Sodium Hydrogen Phosphate Heptahydrate EP 1Kg
EMPROVE® ESSENTIAL DAC,USP
Manufacturer: Merck
Catalog ID: 106574.1000
Stock: In Stock
Description
| Catalogue Number | 106574 |
| Description | di-Sodium hydrogen phosphate heptahydrate |
Product Information
| CAS number | 7782-85-6 |
| EC number | 231-448-7 |
| Grade | DAC,USP |
| Hill Formula | HNa₂O₄P * 7 H₂O |
| Chemical formula | Na₂HPO₄ * 7 H₂O |
| Molar Mass | 268.03 g/mol |
| HS Code | 2835 22 00 |
Physicochemical Information
| Density | 1.68 g/cm3 (20 °C) |
| Melting Point | 48 °C Elimination of water of crystallisation |
| pH value | 8.7 - 9.3 (50 g/l, H₂O, 25 °C) |
| Bulk density | 800 kg/m3 |
| Solubility | 154 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 12930 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (alkalimetric, calculated on dried substance) | 98.0 - 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Insoluble substances | ≤ 0.4 % |
| pH-value (5 %; water) | 8.7 - 9.3 |
| Sodium Dihydrogene phospate (NaH₂PO₄) | passes test |
| Chloride (Cl) | ≤ 0.0200 % |
| Sulfate (SO₄) | ≤ 0.0500 % |
| Heavy metals (as Pb) | ≤ 0.0010 % |
| As (Arsenic) | ≤ 0.0002 % |
| Fe (Iron) | ≤ 0.0020 % |
| Residual solvents (ICH Q3C) | excluded by manufacturing process |
| Reducing substances | passes test |
| Loss on drying (130 °C) | 45.0 - 49.0 % |
| Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*). | |
| Corresponds to DAC, USP |
