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1,Formula : KH2PO4
2,Formula wt: 136.09
3,CAS: [7778-77-0]
4,Specificity: Odorless, colorless crystals or white granular or crystalline powder, hygroscopic, steady in air; relative density 2.338,melting point 96℃－253℃,easily soluble in water (83.5g/100ml,90℃),PH4.2－4.8 in 1% aqueous solution. Insoluble in ethanol.
5,Packing: 25kg net paper bag or 1mt big bag with PE liner.
| Name of index |
FCC-V |
E340(i) |
| Description |
-- |
Odourless, colourless crystals or white granular or crystalline powder, hygroscopic |
| pH of a 1 % solution |
-- |
4.2—4.8 |
| Content(as dry base),≥% |
98.0 |
98.0 |
| P2O5 Content(Anhydrous basis) ,% |
-- |
51.0 –53.0 |
| Lead, ≤% |
0.0002 |
0.0004 |
| Water insoluble(Anhydrous basis),≤% |
0.2 |
0.2 |
| Fluoride, ≤% |
0.001 |
0.001 |
| Loss on drying,≤% |
1 (105℃,4h) |
2 (105℃,4h) |
| As,≤% |
0.0003 |
0.0003 |
| Cadmium ≤% |
-- |
0.0001 |
| Mercury ≤% |
-- |
0.0001 |
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