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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Sulfuric acid, calcium salt, hydrate (2:2:1)

Inventory

CAS number:
10034-76-1
Synonyms
Names:
Sulfuric acid, calcium salt, hydrate (2:2:1)
Identifier:
IUPAC name
dicalcium;disulfate;hydrate
Identifier:
other: InChl
1S/2Ca.2H2O4S.H2O/c;;2*1-5(2,3)4;/h;;2*(H2,1,2,3,4);1H2/q2*+2;;;/p-4
Identifier:
other: Molecular formula
Ca.H2-O4-S.1/2H2-O
Identifier:
other: Molecular formula
H2CaO5S
Identifier:
other: InChl
InChI=1/Ca.H2O4S.H2O.2H/c;1-5(2,3)4;;;/h;(H2,1,2,3,4);1H2;;/p-2/rCaH2.H2O4S.H2O/c;1-5(2,3)4;/h1H2;(H2,1,2,3,4);1H2/p-2
Identifier:
other: SMILES notation
[CaH2].O.[O-]S([O-])(=O)=O
Identifier:
other: SMILES notation
not applicable
Identifier:
other: InChl
not applicable

Molecular and structural information

Molecular formula:
CaSO4·0.5H2O
Molecular weight:
145.15
SMILES notation:
O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Ca+2].[Ca+2]
InChl:
InChI=1S/2Ca.2H2O4S.H2O/c;;2*1-5(2,3)4;/h;;2*(H2,1,2,3,4);1H2/q2*+2;;;/p-4
Structural formula:
Chemical structure

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