Sodium dihydrogen phosphate
essential information:
Disodium hydrogen phosphate is a white crystal, colorless rhombic crystal, extremely soluble in water, easy to agglomerate in wet air, dehydrated to anhydrous substance at 100 ºC, and the aqueous solution is acidic
Main purpose:
Used for boiler water treatment, electroplating, tanning, baking powder, fuel additives, detergents, mica fusion. Acid retarders are also raw materials for the preparation of sodium hexametaphosphate and polycondensates
Technical indicators:
Item |
Industrial Grade |
NaH4P2O4·2H2O |
NaH4P2O4 |
NaH4P2O4·2H2O,%≥ |
98.0 |
98.0 |
Water insoluble, %≤ |
0.10 |
0.20 |
Fe, %≤ |
0.05 |
0.05 |
As, %≤ |
0.01 |
0.01 |
SO4,%≤ |
0.50 |
0.50 |
CI,%≤ |
0.40 |
0.40 |
F, %≤ |
0.05 |
0.05 |
PH(10G/L) |
4.2~4.6 |
4.2~4.6 |
Product packaging:
Double layer bags lined with polyethylene film are used as inner packaging, and the outer packaging is plastic woven bags, with a net content of 25kg per bag
Transportation and storage:
During transportation, prevent rain and sunlight. Store in a dry and ventilated warehouse and add a cushion to prevent caking
product usage:
Used in leather making, boiler water treatment and food industry,As a quality improver and baking powder. Boiler water treatment, electroplating.Buffering agent, water softener, manufacture of sodium hexametaphosphate and sodium pyrophosphate, determination of magnesium, and preparation of improved white medium in haploid species.Mica flakes, dye additives, leather, etc.