CA2667 Calcium Metaphosphate Powder (CAS 123093-85-6)

Catalog No. CA2667
CAS Number Ca(PO3)2
Standard 123093-85-6
Appearance White Powder
Purity 99.9 %

Calcium Metaphosphate Powder (CAS 123093-85-6) is a white powder with the molecular formula Ca(PO3)2. Stanford Advanced Materials (SAM) is a trustworthy supplier of high-quality Calcium Metaphosphate Powder.

Related Product: Barium Metaphosphate Powder, Potassium Metaphosphate Powder, Lithium Metaphosphate Powder


Calcium Metaphosphate Powder Description

Calcium metaphosphate can be divided into crystalline calcium metaphosphate and glassy calcium metaphosphate in nature. Crystalline calcium metaphosphate is white, and glassy calcium metaphosphate is colorless. Crystalline calcium metaphosphate is insoluble in water or citric acid while glassy calcium metaphosphate can slowly dissolve and hydrolyze in water.

Calcium Metaphosphate Powder Specifications 

CAS Number


Molecular formula


Molecular weight



calcium dimetaphosphate


White powder


Insoluble in water


CaO:28%±0.5%, P2O5: 71%±1%, Fe2O3<2PPM, Cu<0.1PPM, Ni, Co, Mn, Pb, Cr<1PPM

Calcium Metaphosphate Powder Applications

Crystalline calcium metaphosphate basically has no fertilizer effect, while glassy calcium metaphosphate is a good citrate-soluble phosphate fertilizer. It contains high phosphorus and the dosage is less than ordinary calcium. It is best applied in acidic soil, and it can be used as a base fertilizer with a long-lasting fertilizer effect. In addition, calcium metaphosphate can also be used as an analytical reagent.


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