Customization: | Available |
---|---|
CAS No.: | 7789-77-7 |
Formula: | Cah5o6p |
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Product Name | Calcium hydrogenphosphate dihydrate |
CAS | 7789-77-7 |
Molecular formula | CaH5O6P |
Molecular weight | 172.08800 |
Appearance | White Powder |
Package | 1Kg/Foil Bag , 25Kg/Drum or As per your request |
Storage | Store in cool and dry places ,keep away from strong light |
Shelf life | 2 years when properly stored |
Safety | Non-toxic, non-stimulating, safe and reliable |
Calcium hydrogen phosphate, white monoclinic crystal powder, odorless and tasteless. It is usually in the form of a dihydrate (having a chemical formula of CaHPO4·2H2O), which is stable in air. When heated to 75 ° C, it begins to lose crystal water to become anhydrate, and at high temperature it becomes pyrophosphate. Soluble in dilute hydrochloric acid, dilute nitric acid, acetic acid, slightly soluble in water (100 ° C, 0.025%), insoluble in ethanol.
Only selected data is represented here, for a full set of specifications we refer to our Specifications sheet.
Name of indexes
|
GB1889-2004
|
FCC-V
|
USP-31
|
Appearance
|
White powder
|
White powder
|
White powder
|
Assay (as CaHPO4•2H2O),%
|
98.0-103.0
|
97.0-105.0
|
98.0-105.0
|
Fluoride, ≤%
|
0.005
|
0.005
|
0.005
|
Loss on ignition, %
|
24.5-26.5
|
24.5-26.5
|
24.5-26.5
|
Heavy metals(as Pb), ≤%
|
0.001
|
-
|
0.003
|
Pb, ≤%
|
0.0005
|
0.0002
|
-
|
As, ≤%
|
0.0002
|
0.0003
|
0.0003
|
Insoluble in Hydrochloric Acid ≤%
|
0.05
|
-
|
0.2
|
Chloride ≤%
|
-
|
-
|
0.25
|
Sulphate ≤%
|
-
|
-
|
0.5
|
Barium
|
-
|
-
|
Pass test
|
1) Used as a mordant in textile dyeing;
2) Used to make iron compounds and in engraving, lithography, water treatment, aluminum etching, and qualitative analysis ("brown ring" test for nitrates);
3) Also used in iron electroplating baths, fertilizers and pesticides, food and feed supplements, radiation dosimeters, wood preservative, inks, leather dyes, polymerization catalysts, and pharmaceuticals (iron deficiency anemia);
4) Used as iron oxide pigment, catalyst (especially for synthetic ammonia), and food supplement.
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