MONOCALCIUM PHOSPHATE MONOHYDRATE
1,Formula: anhydrous Ca(H2PO4)2 ; monohydrate Ca(H2PO4)2·H2O
2,Formula wt: anhydrous 234.05
Formula wt: monohydrate 252.07
3,CAS: anhydrous [7758-23-8]; CAS: monohydrate [10031-30-8]
4, Einecs: 231-837-1
5,Specificity:White crystalline powder, or plate crystal specific gravity 2.220,when heated to 100℃,it may loss crystal water. Soluble in acid, has hygroscopic, acidic property appeared in an aqueous solution.
6,H.S. Code: 28352600 CIQ Checking: Non Statutory Inspection
7,Packing: 25kg net paper bag or jumbo big bag with PE liner.
8,Storage and Transport: Store in a tightly sealed container in a cool, dry, well ventilated area. Avoid exposure to heat and moisture.
Name of index |
|
FCC-V |
E 341(i) |
Description |
|
Granular powder or white, deliquescent crystals or granules |
|
Identification |
|
Pass test |
Pass test |
Assay |
% |
As Ca 15.9-17.7 (Monohydrate) 16.8-18.3 (Anhydrous) |
≥95 (On the dried basis), |
P2O5(anhydrous basis) |
% |
-- |
55.5—61.1 |
CaO (105 °C, 4 hours) |
|
-- |
23.0-27.5% (anhydrous) 19.0-24.8% (monohydrate) |
As |
≤mg/kg |
3 |
1 |
F |
≤mg/kg |
50 |
30 (expressed as fluorine) |
Lead |
≤mg/kg |
2 |
1 |
Cadmium |
≤mg/kg |
-- |
1 |
Mercury |
≤mg/kg |
-- |
1 |
Aluminium |
|
-- |
Not more than 70 mg/kg (only if added to food for infants and young children) Not more than 200 mg/kg (for all uses except food for infants and young children) |
Loss on drying |
|
≤1%(Monohydrate) |
Anhydrous: not more than 14 % (105 °C, 4 hours) Monohydrate: not more than 17.5 % (105 °C, 4 hours) |
Loss on ignition |
|
14.0—15.5%(Anhydrous) |
Anhydrous: not more than 17.5 % (after ignition at 800 °C ± 25 °C for 30 minutes) Monohydrate: not more than 25.0 % (determined by drying at 105 °C for one hour, then ignite at 800 °C ± 25 °C for 30 minutes) |
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