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Calcium Phosphite
IDENTIFICATIONSynonyms: Calcium phosphite Monohydrate; CaHPO3; CaHPO3.H2O; Phosphonic acid calcium salt; calcium hydrogen phosphonate monohydrate
CAS No.: 21056-98-4
EC No.:
Molecular Formula: CaHPO3.H2O
Molecular Weight: 138.08
Density:
M.p.: °C
B.p.: °C (anhydrous)
Solubility: Slightly soluble in water, practically insoulble in alcohol
Calcium phosphite is made by reaction between calcium hydroxide and phosphorous acid:
Ca(OH)2 + H3PO3 = CaHPO3.H2O + H2O
APPLICATIONCalcium Phosphite Monohydrate is mainly used to prepare anti-rust coatings with properties of non-toxic, strong adhesion, good flexibility and strong hiding power. Calcium phosphite can also be used as fertilizer, food/feed additive, anti-oxidant and raw material for pharmaceuticals.
SPECIFICATIONAppearance | fine white powder |
---|---|
Content | 98.0% min. |
Chlorides | 0.01% max. |
Heavy Metals as Pb | 5 ppm max. |
50lbs, 25kgs, 500kg, 1000kgs bag
Calcium Phosphite is NOT regulated by UN as hazardous goods.
Keep bags tightly closed in dry and cool place, avoid direct sun-light.
Avoid contact with skin and eyes.
Avoid breathing dust.
Keep clear from drains.