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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
calcium dihydrogen phosphate

Inventory

EC number:
231-837-1
EC name:
Calcium bis(dihydrogenorthophosphate)
CAS number:
7758-23-8
CAS number:
7758-23-8
Synonyms
Names:
Calcium bis(dihydrogen phosphate)
Calcium dihydrogen phosphate
Calcium phosphate, monobasic
MCP
Mono calcium phosphate MCP
Monobasic Calcium Phosphate
Monocalcium Phosphate (MCP)
Monocalcium phosphate
Monocalcium phosphate 1-hydrate
Monocalcium phosphate anhydrous
Triple Super Phosphate
Identifier:
CAS number
10031-30-8
Identifier:
IUPAC name
Calcium bis(dihydrogenorthophosphate)
Identifier:
IUPAC name
Calcium dihydrogen phosphate
Identifier:
IUPAC name
calcium bis(dihydrogenorthophosphate)
Identifier:
IUPAC name
calcium diphosphate hydrate
Identifier:
common name
Monocalcium Phosphate (MCP),Monobasic Calcium Phosphate,Triple Super Phosphate
Identifier:
other: Molecular formula
Ca(H2PO4)2
Identifier:
other: Molecular formula
Ca(H2PO4)2 or Ca.2H3O4P or CaH4O8P2
Identifier:
other: Molecular formula
Ca.2H3O4P
Identifier:
other: Molecular formula
Ca.2H4O8P2
Identifier:
other: Molecular formula
Ca2(H2PO4)2 or Ca.2H3O4P or CaH4O8P2
Identifier:
other: Molecular formula
CaH4O8P2
Identifier:
other: Molecular formula
H6CaO9P2
Identifier:
other: InChl
InChI=1/Ca.2H3O4P.H2O/c;2*1-5(2,3)4;/h;2*(H3,1,2,3,4);1H2/q+2;;;/p-2
Identifier:
other: InChl
InChI=1S/Ca.2H3O4P/c;2*1-5(2,3)4/h;2*(H3,1,2,3,4)/q+2;;/p-2
Identifier:
other: SMILES notation
OP(=O)(O)[O-].OP(=O)(O)[O-].[Ca+2]
Identifier:
other: SMILES notation
OP(=O)(O)[O-].OP(=O)(O)[O-].[Ca+2]
Identifier:
other: SMILES notation
[Ca++].OP(O)([O-])=O.OP(O)([O-])=O
Identifier:
other: SMILES notation
[Ca+2].O=P([O-])(O)O.[O-]P(=O)(O)O.O

Molecular and structural information

Molecular formula:
CaH4O8P2
Molecular weight:
>= 234 - <= 236
SMILES notation:
[Ca+2].O=P([O-])(O)O.[O-]P(=O)(O)O
InChl:
InChI=1/Ca.2H3O4P/c;2*1-5(2,3)4/h;2*(H3,1,2,3,4)/q+2;;/p-2
Structural formula:
Chemical structure

Related substances

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Identifier:
CAS number
Identity:
65996-95-4
Identifier:
CAS number
Identity:
10031-30-8
Identifier:
EC number
Identity:
231-837-1
Identifier:
CAS number
Identity:
7758-23-8