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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:
Calcium monohydrogen phosphate
Calcium phosphate dibasic
DCP
Dibasic Calcium Phosphate
Dicalcium Orthophosphate
Dicalcium Phosphate
Dicalcium phosphate
Dicalcium phosphate DCP
Dicalcium phosphate 2-Hydrate
Dicalcium phosphate anhydrous
dicalcium phosphate
Identifier:
CAS number
7789-77-7
Identifier:
IUPAC name
231-826-1
Identifier:
IUPAC name
Calcium hydrogen phosphate
Identifier:
IUPAC name
Calcium hydrogenphosphate
Identifier:
IUPAC name
Calcium hydrogenphosphate
Identifier:
IUPAC name
Phosphoric acid, calcium salt (1:1)
Identifier:
IUPAC name
calcium dihydrate hydrogen phosphate
Identifier:
IUPAC name
calcium dihydrogen phosphate
Identifier:
IUPAC name
calcium hydrogen phosphate dihydrate
Identifier:
IUPAC name
calcium hydrogenorthophophate
Identifier:
IUPAC name
calcium hydrogenorthophosphate
Identifier:
common name
DCP
Identifier:
common name
Dicalcium phosphate anhydrous
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: InChl
1S/Ca.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+2;/p-2
Identifier:
other: InChl
1S/Ca.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+2;/p-2
Identifier:
other: InChl
1S/Ca.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+2;/p-2 AuxInfo=1/1/N:6;1,3,4,5,2/E:;(1,2,3,4)/rA:6OPO-OO-Ca+2/rB:s1;s2;d2;s2;;/rC:4.62,0,0;3.08,0,0;1.54,0,0;3.08,1.54,0;3.08,-1.54,0;;
Identifier:
other: Molecular formula
Ca.H3O4P
Identifier:
other: Molecular formula
Ca.HO4P
Identifier:
other: Molecular formula
CaH3OP4
Identifier:
other: Molecular formula
CaHO4P
Identifier:
other: Molecular formula
CaHPO4 NOTE: the molecular formula is expressed in a slightly different way in the EC inventory as Ca.H3PO4. The formula provided in this field is considered to represent the actual chemical structure most closely.
Identifier:
other: Molecular formula
CaHPO4 / CaHO4P
Identifier:
other: InChl
E341ii
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=1S/2Ca.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+2;/p-3
Identifier:
other: InChl
InChI=1S/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=1S/Ca.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+2;/p-2
Identifier:
other: SMILES notation
O.O.OP(=O)([O-])[O-].[Ca+2]
Identifier:
other: SMILES notation
O=P1(O)O[Ca]O1
Identifier:
other: SMILES notation
OP(=O)([O-])[O-].[Ca+2]
Identifier:
other: SMILES notation
P(O)(=O)([O-])[O-].[Ca+2]
Identifier:
other: SMILES notation
[Ca++].OP([O-])([O-])=O
Identifier:
other: SMILES notation
[Ca+2].[Ca+2].[O-]P([O-])([O-])=O
Identifier:
other: SMILES notation
[Ca+2].[O-]P([O-])(=O)O.O.O
Identifier:
other: SMILES notation
[Ca+2].[O-]P([O-]}(=O)O

Molecular and structural information

Molecular formula:
CaHPO4
Molecular weight:
>= 136 - <= 138
SMILES notation:
[Ca+2].[O-]P([O-])(=O)O
InChl:
InChI=1/Ca.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+2;/p-2
Structural formula:
Chemical structure

Related substances

open allclose all
Identifier:
CAS number
Identity:
7789-77-7
Identifier:
CAS number
Identity:
7757-93-9
Identifier:
IUPAC name
Identity:
Calcium hydrogenphosphate dihydrate