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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Reference substances

Reference substances

Currently viewing:
IUPAC name:
calcium hydrogen phosphate

Inventory

EC number:
231-826-1
EC name:
Calcium hydrogenorthophosphate
CAS number:
7757-93-9
CAS number:
7757-93-9
Synonyms
Names:
DCP
Dicalcium phosphate 2-Hydrate
Dicalcium phosphate anhydrous
dicalcium phosphate
Identifier:
CAS number
7789-77-7
Identifier:
IUPAC name
calcium hydrogen phosphate
Identifier:
IUPAC name
calcium hydrogen phosphate dihydrate
Identifier:
other: Molecular formula
CaHPO4
Identifier:
other: Molecular formula
H5CaO6P
Identifier:
other: InChl
InChI=1/Ca.H3O4P.2H2O/c;1-5(2,3)4;;/h;(H3,1,2,3,4);2*1H2/q+2;;;/p-2
Identifier:
other: InChl
InChI=1/Ca.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+2;/p-2
Identifier:
other: SMILES notation
[Ca+2].[O-]P([O-])(=O)O
Identifier:
other: SMILES notation
[Ca+2].[O-]P([O-])(=O)O.O.O

Molecular and structural information

Molecular formula:
Ca.H3O4P
Molecular weight:
136.05
SMILES notation:
OP(=O)([O-])[O-].[Ca+2]
InChl:
InChI=1S/Ca.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+2;/p-2
Structural formula:
Chemical structure

Related substances

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Identifier:
CAS number
Identity:
7789-77-7
Identifier:
CAS number
Identity:
7757-93-9