- Other Organic Chemical[6]
- Chemical Auxiliary Agent[5]
- Custom Chemical Services[1]
- Alkali[4]
- Chloride[2]
- Phosphate[6]
- Other Chemicals[6]
- Gas Disposal[1]
- Waste Management[1]
- Water Treatment[6]
- Abrasives[6]
- Refractory[5]
- Contact Person : Mr. Han Chaoli
- Company Name : Wenxian Hongtai Water Treatment Material Factory
- Tel : 86-371-66559912
- Fax : 86-371-66558918
- Address : Henan,wenxian,Wenxian Yue Village Industrial Zone, No. 66
- Country/Region : China
- Zip : 454800
Sodium Hexametaphosphate Direct Factory
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Molecular formula: NaH2PO4.2H2O
Molecular weight: 156.01
Properties: Colourless oblique square crystal, relative density is 1.91, melting point is 60 centigrade. It is soluble in water and insoluble in ethanal. its aqueous solution shows acidity, It is easy to agglomerate in the watery air., It becomes sodium dihydrogen phosphate anhydrous at 95 centigrade, sodium pyrophosphate anhydrous at 190-204 centigrade, sodium metaphosphate at 204 –244 centigrade.
Specification:(reference standard)
items | unit | standard | |
technical grade | food grade | ||
NaH2PO4.2H2O | %≥ | 98.00 | 98.00 |
P2O5 | %≥ | 44.60 | 44.60 |
Methyl orange basicity(Na2O) | %≥ | 18.8-21.0 | 19.40 |
pH(1% solution) | -- | 4.2--4.6 | |
Chlorid (Cl-) | %≤ | 0.4 | 0.014 |
Fe | %≤ | 0.10 | 0.05 |
As | %≤ | 0.005 | 0.0005 |
Heavy metal (Pb) | %≤ | 0.005 | 0.002 |
Fluorid (F) | %≤ | -- | 0.005 |
Sulfate (SO42-) | %≤ | 0.5 | 0.25 |
Water insolubles | %≤ | 0.1 | 0.1 |
Sodium Hexametaphosphate Direct Factory
