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CAS 21056-98-4

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Calcium phosphite (CaHPO3)

Description:
Calcium phosphite (CaHPO3) is an inorganic compound characterized by its formation from calcium and phosphite ions. It typically appears as a white to off-white solid and is soluble in water, which makes it useful in various applications, including agriculture as a fertilizer and in the food industry as a food additive. The compound is known for its role in providing essential nutrients, particularly phosphorus, which is vital for plant growth. Calcium phosphite can also exhibit fungicidal properties, making it beneficial in plant disease management. In terms of chemical behavior, it can participate in reactions typical of phosphites, such as oxidation and complexation. The compound is generally considered stable under normal conditions but should be handled with care, as with all chemical substances, to avoid potential hazards. Its CAS number, 21056-98-4, is a unique identifier that facilitates the tracking and regulation of this compound in various industries.
Formula:Ca·H3O3P
InChI:InChI=1S/Ca.H3O3P/c;1-4(2)3/h;4H,(H2,1,2,3)
InChI key:InChIKey=QNQPOXQIPUPFDE-UHFFFAOYSA-N
SMILES:P(=O)(O)O.[Ca]
Synonyms:
  • Phosphonic acid, calcium salt (1:1)
  • Calcium phosphite (CaHPO3)
  • Secondary calcium phosphite
  • Phosphorous acid, calcium salt (1:1)
  • Calcium phosphonate (CaHPO3)
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