Product Code: 3.5000
نوترون
Disodium hydrogen phosphate dihydrate
Formula | HNa2O4P*2H2O |
Chemical formula | Na2HPO4*2H2O |
Molar mass | 177.99 g/mol |
CAS number | 10028-24-7 |
HS Code | 28352200 |
EC number | 231-448-7 |
Storage | Without limitation |
SDS | available |
RTECS | NC3675000 |
Odour | odurless |
Form | solid |
Color | colorless to white |
pH value | ~9.1 to 9.4 (50 g/l 20°C) |
Solubility in water | 93 g/l ( 20 °C) |
Melting point | 92.5°C |
Thermal decomposition | >95°C |
Description | Conforms | ||
Identification | Conforms | ||
Appearance of solution | Conforms | ||
In water insoluble maatter | ≤ | 0/3 | % |
pH -value (5% in water) | ≤ | 9.0 to 9.2 | |
Chloride | ≤ | 0/005 | % |
Sulphate | ≤ | 0/02 | % |
Heavy metals | ≤ | 0/001 | ° c |
Arsenic | ≤ | 0/0002 | % |
Iron | ≤ | 0/001 | |
Sodium dihydrogen phosphate | ≤ | 1/7 | % |
Rediucing substances | Conforms | ||
Loss on drying | 19.5 to 21.0 | % | |
Assay | 98.5 to 100.5 | % |