Di-Ammonium Hydrogen Phosphate 500grm
for analysis EMSURE® ACS,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 101207.0500
Stock: In Stock
Description
| Catalogue Number | 101207 |
| Replaces | AX1355-1; AX1355 |
| Synonyms | Ammonium biphosphate, Ammonium phosphate dibasic, Diammonium hydrogen phosphate, Fyrex |
| Description | di-Ammonium hydrogen phosphate |
Product Information
| CAS number | 7783-28-0 |
| EC number | 231-987-8 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | H₉N₂O₄P |
| Chemical formula | (NH₄)₂HPO₄ |
| Molar Mass | 132.05 g/mol |
| HS Code | 3105 30 00 |
Physicochemical Information
| Density | 1.619 g/cm3 (20 °C) |
| pH value | 7.6 - 8.2 (100 g/l, H₂O, 20 °C) |
| Bulk density | 800 - 1000 kg/m3 |
| Solubility | 690 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 6500 mg/kg |
| LD 50 dermal | LD50 Rabbit > 7950 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (acidimetric) | ≥ 99.0 % |
| Insoluble matter | ≤ 0.005 % |
| pH-value (5 %; water; 25 °C) | 7.8 - 8.1 |
| pH-value (20 %; water) | about 8 |
| Chloride (Cl) | ≤ 0.0005 % |
| Nitrate (NO₃) | ≤ 0.001 % |
| Sulfate | ≤ 0.004 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Ca (Calcium) | ≤ 0.001 % |
| Fe (Iron) | ≤ 0.001 % |
| K (Potassium) | ≤ 0.001 % |
| Mg (Magnesium) | ≤ 0.0005 % |
| Na (Sodium) | ≤ 0.001 % |
| Corresponds to ACS, Reag. Ph Eur |