,,Key Spec Table
| CAS # | EC Number | Hill Formula | Chemical Formula | Molar Mass | Grade Value |
|---|
| 7558-79-4 | 231-448-7 | HNa₂O₄P | Na₂HPO₄ | 141.96 g/mol | Ph Eur,BP,USP,JPE,E 339 |
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| Description |
|---|
| Catalogue Number | 106585 |
| Description | di-Sodium hydrogen phosphate |
| Product Information |
|---|
| CAS number | 7558-79-4 |
| EC number | 231-448-7 |
| Grade | Ph Eur,BP,USP,JPE,E 339 |
| Hill Formula | HNa₂O₄P |
| Chemical formula | Na₂HPO₄ |
| Molar Mass | 141.96 g/mol |
| HS Code | 2835 22 00 |
| Quality Level | MQ500 |
| Physicochemical Information |
|---|
| Density | 1.53 g/cm3 (20 °C) |
| Melting Point | >450 °C (decomposition) |
| pH value | 8.9 - 9.2 (50 g/l, H₂O, 25 °C) |
| Bulk density | 880 kg/m3 |
| Solubility | 77 g/l |
| Toxicological Information |
|---|
| LD 50 oral | LD50 Rat > 2000 mg/kg |
| Safety Information according to GHS |
|---|
| RTECS | WC4500000 |
| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 1 slightly hazardous to water |
| Disposal | 14Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Storage and Shipping Information |
|---|
| Storage | Store at +15°C to +25°C. |
| Transport Information |
|---|
| Declaration (railroad and road) ADR, RID | Kein Gefahrgut |
| Declaration (transport by air) IATA-DGR | No Dangerous Good |
| Declaration (transport by sea) IMDG-Code | No Dangerous Good |
| Specifications |
|---|
| Assay (calculated on dried substance according to Ph Eur) | 98.0 - 101.0 % |
| Assay (calculated on dried substance according to USP) | 98.0 - 100.5 % |
| Assay (acidimetric; dried substance) | 99.0 - 101.0 % |
| Identity | passes test |
| Appearance of solution | passes test |
| In water insoluble matter (calculated on dried substance) | ≤ 0.20 % |
| Sodium dihydrogen phosphate (NaH₂PO₄) | ≤ 2.5 % |
| pH-value (1 %, water) | 9.0 - 9.4 |
| Carbonate | passes test |
| Chloride (Cl) | ≤ 0.010 % |
| Fluoride (F) | ≤ 0.001 % |
| Sulfate (SO₄) | ≤ 0.030 % |
| Heavy metals (as Pb) | ≤ 0.0010 % |
| As (Arsenic) | ≤ 0.0001 % |
| Cd (Cadmium) | ≤ 0.0001 % |
| Fe (Iron) | ≤ 0.002 % |
| Hg (Mercury) | ≤ 0.0001 % |
| Ni (Nickel)* | ≤ 0.0002 |
| Pb (Lead) | ≤ 0.0001 % |
| Residual solvents (ICH Q3C) | excluded by production process |
| Substances reducing potassium permanganate | passes test |
| Loss on drying (130 °C) | ≤ 1.0 % |
| 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 Ph Eur, BP, USP, JPE, E 339Conforms to the purity criteria on food additives according to the current European Commission Regulation. |
| Corresponds to Ph Eur, BP, USP, JPE, E 339Conforms to the purity criteria on food additives according to the current European Commission Regulation. |
