دی پتاسیم هیدروژن فسفات 137010 مرک
di-Potassium hydrogen phosphate 137010 merck
| Product Information | |
|---|---|
| CAS number | 7758-11-4 |
| EC number | 231-834-5 |
| Grade | Ph Eur,BP,USP |
| Hill Formula | HK₂O₄P |
| Chemical formula | K₂HPO₄ |
| Molar Mass | 174.18 g/mol |
| HS Code | 2835 24 00 |
| Physicochemical Information | |
|---|---|
| Density | 2.44 g/cm3 (20 °C) |
| pH value | 9 (10 g/l, H₂O, 20 °C) |
| Bulk density | 700 - 1000 kg/m3 |
| Solubility | 1600 g/l |
| Toxicological Information | |
|---|---|
| LD 50 oral | LD50 Rat 8000 mg/kg |
| Safety Information according to GHS | |
|---|---|
| RTECS | TC5580000 |
| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 14 Inorganic 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 +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 | ≤ 0.2 % |
| pH-value (5 %; water) | 8.5 - 9.6 |
| Carbonate | passes test |
| Chloride (Cl) | ≤ 0.02 % |
| Fluoride (F) | ≤ 0.001 % |
| Sulphate (SO₄) | ≤ 0.1 % |
| Heavy metals (as Pb) | ≤ 0.0010 % |
| Al (Aluminium) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.0002 % |
| Fe (Iron) | ≤ 0.0010 % |
| Na (Sodium) | ≤ 1.5 % |
| Na (sodium) | passes test |
| Potassium dihydrogen phosphate | ≤ 2.5 % |
| Potassium dihydrogen phosphate and tri- Potassium phosphate | passes test |
| Residual solvents (ICH Q3C) | excluded by manufacturing process |
| Reducing substances | passes test |
| Loss on drying (130 °C) | ≤ 1.0 % |
| Endotoxins | ≤ 2.5 I.U./g |
| Total aerobic microbial count | ≤ 100 CFU/g |
| Total yeast and mould count | ≤ 100 CFU/g |
| DNases (Exo- and endonucleases) (not detectable) | passes test |
| RNases (not detectable) | passes test |
| Proteases (not detectable) | passes test |
| 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 | |

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