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Di Sodium Phosphate Anhydrous

Molecular formula: Na2HPO4

Molecular weight: 141.96

CAS Number: 7558-79-4

Other Name: Disodium Monohydrogen Phosphate


Properties

White or colorless crystalline free flowing solid, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density at 1.52 g/cm3, melting point at 35


Application

Used as a fire-preventio agent for fabric, timber, and paper, also as water softening agent for boiler,

Package

Packing :25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag

Loading:25 kgs on pallet: 25MT/20’FCL; Un-palletized:27MT/20’FCL

Jumbo bag :20 bags /20’FCL ;


Specifications


No

Specifications

National Standard

Ronghong Standard

1

Main contents %≥

97.0

97.5 Min

2

Phosphorus pentoxide, %≥

49.0

49 Min

3

PH of 1% water solution

8.5-10.0

8.5-10.0

4

Sulfate, as SO4 %

0.7

0.2

5

Heavy metals, as Pb %

/

0.005

6

Arsenic, as As %

0.005

0.003

7

Fluoride, as F %

0.05

0.01

8

Water insoluble %

0.2

0.1

9

Cl %

0.05

0.01

10

Pb %

/

0.01

11

Fe %

/

0.01

12

Loss on drying %

/

5.0