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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Inventory

EC number:
231-633-2
EC name:
Orthophosphoric acid
CAS number:
7664-38-2
CAS number:
7664-38-2
Synonyms
Names:
Phosphoric acid
Identifier:
CAS number
7664-38-2
Identifier:
EC name
Orthophosphoric acid
Identifier:
EC name
Orthophosphoric acid
Identifier:
EC number
231-633-2
Identifier:
IUPAC name
Orthophosphoric acid
Identifier:
IUPAC name
Phosphoric Acid
Identifier:
IUPAC name
Phosphoric acid
Identifier:
IUPAC name
Trihydroxidooxidophosphorus phosphoric acid
Identifier:
IUPAC name
ortho phosphoric acid
Identifier:
common name
Phosphoric acid
Identifier:
other: InChl
1/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
Identifier:
other: InChl
1/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/f/h1-3H
Identifier:
other: InChl
1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
Identifier:
other: Molecular formula
H3PO4
Identifier:
other: InChl
InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
Identifier:
other: SMILES notation
O=P(O)(O)O
Identifier:
other: SMILES notation
OP(O)(O)=O
Identifier:
other: SMILES notation
P(O)(O)(O)=O
Identifier:
other: SMILES notation
[H]OP(=O)(O[H])O[H]
Identifier:
other: name
tetrahydroxyphosphanium
phosphoric acid

Molecular and structural information

Molecular formula:
H3O4P
Molecular weight:
97.995
SMILES notation:
OP(=O)(O)O
InChl:
InChI=1/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
Structural formula:
Chemical structure

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