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AR
LABOR
209102129
Disodium Hydrogen Phosphate Anhydrous 99% AR Grade Reagent
Cas Number:7558-79-4
Formula: Na2HPO4
Molar Mass:141.96
EC Number:231-448-7
Physicochemical properties:
White crystalline powder. It is easy to absorb moisture. It can absorb 2~7mol of water in a long time in the air. It is soluble in about 8 parts of water and insoluble in ethanol, The pH is 9.1 while 1% aqueous solution at 25 ° C. The minimum lethal dose (rat, abdominal cavity) is 1000mg/kg.
Usage:
Analytical reagents. Buffer. Softener. Printing and dyeing industry fire retardant. Fabric weighting agent.
Packing:
500g/25kg
Disodium Hydrogen Phosphate Anhydrous 99% AR Grade Reagent
Cas Number:7558-79-4
Formula: Na2HPO4
Molar Mass:141.96
EC Number:231-448-7
Physicochemical properties:
White crystalline powder. It is easy to absorb moisture. It can absorb 2~7mol of water in a long time in the air. It is soluble in about 8 parts of water and insoluble in ethanol, The pH is 9.1 while 1% aqueous solution at 25 ° C. The minimum lethal dose (rat, abdominal cavity) is 1000mg/kg.
Usage:
Analytical reagents. Buffer. Softener. Printing and dyeing industry fire retardant. Fabric weighting agent.
Packing:
500g/25kg
Item of Analysis | Standard |
Assay,% | 99.0 min |
pH(30g/L,25℃) | 8.7~9.3 |
Transparency of solution | 4 max |
Insoluble in water,% | 0.01 max |
Loss on drying,% | 0.2 max |
Chloride(Cl),% | 0.002 max |
Sulfate(SO4) ,% | 0.005 max |
Nitrogen compounds(N) ,% | 0.002 max |
Arsenic(As),% | 0.001 max |
Iron(Fe),% | 0.002 max |
Heavy metals(as Pb),% | 0.001 max |
Item of Analysis | Standard |
Assay,% | 99.0 min |
pH(30g/L,25℃) | 8.7~9.3 |
Transparency of solution | 4 max |
Insoluble in water,% | 0.01 max |
Loss on drying,% | 0.2 max |
Chloride(Cl),% | 0.002 max |
Sulfate(SO4) ,% | 0.005 max |
Nitrogen compounds(N) ,% | 0.002 max |
Arsenic(As),% | 0.001 max |
Iron(Fe),% | 0.002 max |
Heavy metals(as Pb),% | 0.001 max |
Not a hazardous substance or mixture.
Not a hazardous substance or mixture.