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LC5437 di-Sodium hydrogen phosphate heptahydrate for analysis EMSURE ACS |
Order number | Packaging | Quantity | Price € |
AC32437 | Plastic bottle | 1 kg | 28.35 |
AC32437 | Fibre carton | 25 kg | Inquire |
Product information | |
Grade | ACS |
Hill Formula | HNa2O4P * 7 H2O |
Chemical formula | Na2HPO4 * 7 H2O |
HS Code | 2835 22 00 |
EC number | 231-448-7 |
Molar mass | 268.03 g/mol |
Storage | Store at +15°C to +25°C. |
CAS number | 7782-85-6 |
Chemical and physical data | |
Solubility | 154 g/l (20 °C) |
Melting point | 48 °C Elimination of water of crystallisation |
Molar mass | 268.03 g/mol |
Density | 1.68 g/cm3 (20 °C) |
Bulk density | 800 kg/m3 |
pH value | 8.7 – 9.3 (50 g/l, H2O, 25 °C) |
Safety information | |
RTECS | WC4600000 |
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). |
Toxicological data | |
LD 50 oral | LD50 rat 12930 mg/kg |
Specifications | |
Assay (acidimetric) | 98.0 – 102.0 % |
Identity | passes test |
Insoluble matter | ≤ 0.005 % |
pH-value (5 %; water) | 8.7 – 9.3 |
Chloride (Cl) | ≤ 0.001 % |
Sulphate (SO4) | ≤ 0.005 % |
Heavy metals (as Pb) | ≤ 0.001 % |
Fe (Iron) | ≤ 0.001 % |