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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Identification

Chemical structure
Display Name:
Polyphosphoric acids
EC Number:
232-417-0
EC Name:
Polyphosphoric acids
CAS Number:
8017-16-1
Molecular formula:
H(n+2)O(3n+1)Pn
IUPAC Name:
Polyphosphoric acids

Type of Substance

Composition:
multi-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

Polyphosphoric acids, 72.5 to <80% P2O5 - Polyphosphoric acids, 100 -110% phosphoric acid
(synonyms)

Compositions

Boundary Composition(s)

Legal Entity Composition(s) open all close all

State Form:
liquid


Constituent 1
Chemical structure
Reference substance name:
Orthophosphoric acid
EC Number:
231-633-2
EC Name:
Orthophosphoric acid
CAS Number:
7664-38-2
Molecular formula:
H3O4P
IUPAC Name:
phosphoric acid
Constituent 2
Chemical structure
Reference substance name:
Pyrophosphoric acid
EC Number:
219-574-0
EC Name:
Pyrophosphoric acid
CAS Number:
2466-09-3
Molecular formula:
H4O7P2
IUPAC Name:
diphosphoric acid
Constituent 3
Chemical structure
Reference substance name:
Triphosphoric acid
EC Number:
233-840-3
EC Name:
Triphosphoric acid
CAS Number:
10380-08-2
Molecular formula:
H5O10P3
IUPAC Name:
triphosphoric acid
Constituent 4
Chemical structure
Reference substance name:
Tetrapolyphosphoric acid
EC Number:
237-476-6
EC Name:
Tetrapolyphosphoric acid
CAS Number:
13813-62-2
Molecular formula:
H6O13P4
IUPAC Name:
tetraphosphoric acid
Constituent 5
Chemical structure
Reference substance name:
Pentaphosphoric acid
EC Number:
235-633-3
EC Name:
Pentaphosphoric acid
CAS Number:
12395-97-0
Molecular formula:
H7O16P5
IUPAC Name:
pentaphosphoric acid
State Form:
liquid


Constituent 1
Chemical structure
Reference substance name:
Orthophosphoric acid
EC Number:
231-633-2
EC Name:
Orthophosphoric acid
CAS Number:
7664-38-2
Molecular formula:
H3O4P
IUPAC Name:
phosphoric acid
Constituent 2
Chemical structure
Reference substance name:
Pyrophosphoric acid
EC Number:
219-574-0
EC Name:
Pyrophosphoric acid
CAS Number:
2466-09-3
Molecular formula:
H4O7P2
IUPAC Name:
diphosphoric acid
Constituent 3
Chemical structure
Reference substance name:
Triphosphoric acid
EC Number:
233-840-3
EC Name:
Triphosphoric acid
CAS Number:
10380-08-2
Molecular formula:
H5O10P3
IUPAC Name:
triphosphoric acid
Constituent 4
Chemical structure
Reference substance name:
Tetrapolyphosphoric acid
EC Number:
237-476-6
EC Name:
Tetrapolyphosphoric acid
CAS Number:
13813-62-2
Molecular formula:
H6O13P4
IUPAC Name:
tetraphosphoric acid
State Form:
liquid


Constituent 1
Chemical structure
Reference substance name:
Orthophosphoric acid
EC Number:
231-633-2
EC Name:
Orthophosphoric acid
CAS Number:
7664-38-2
Molecular formula:
H3O4P
IUPAC Name:
phosphoric acid
Constituent 2
Chemical structure
Reference substance name:
Pyrophosphoric acid
EC Number:
219-574-0
EC Name:
Pyrophosphoric acid
CAS Number:
2466-09-3
Molecular formula:
H4O7P2
IUPAC Name:
diphosphoric acid
Constituent 3
Chemical structure
Reference substance name:
Triphosphoric acid
CAS Number:
10380-08-2
Molecular formula:
H5O10P3
IUPAC Name:
Triphosphoric acid
Constituent 4
Chemical structure
Reference substance name:
Tetrapolyphosphoric acid
CAS Number:
13813-62-2
Molecular formula:
H6O13P4
IUPAC Name:
Tetrapolyphosphoric acid
Constituent 5
Chemical structure
Reference substance name:
Pentaphosphoric acid
CAS Number:
12395-97-0
Molecular formula:
H7O16P5
IUPAC Name:
Pentaphosphoric acid


Constituent 1
Chemical structure
Reference substance name:
Orthophosphoric acid
EC Number:
231-633-2
EC Name:
Orthophosphoric acid
CAS Number:
7664-38-2
Molecular formula:
H3O4P
IUPAC Name:
phosphoric acid
Constituent 2
Chemical structure
Reference substance name:
Pyrophosphoric acid
EC Number:
219-574-0
EC Name:
Pyrophosphoric acid
CAS Number:
2466-09-3
Molecular formula:
H4O7P2
IUPAC Name:
diphosphoric acid
Constituent 3
Chemical structure
Reference substance name:
Triphosphoric acid
EC Number:
233-840-3
EC Name:
Triphosphoric acid
CAS Number:
10380-08-2
Molecular formula:
H5O10P3
IUPAC Name:
triphosphoric acid
Constituent 4
Chemical structure
Reference substance name:
Tetrapolyphosphoric acid
EC Number:
237-476-6
EC Name:
Tetrapolyphosphoric acid
CAS Number:
13813-62-2
Molecular formula:
H6O13P4
IUPAC Name:
tetraphosphoric acid
Constituent 5
Chemical structure
Reference substance name:
Pentaphosphoric acid
EC Number:
235-633-3
EC Name:
Pentaphosphoric acid
CAS Number:
12395-97-0
Molecular formula:
H7O16P5
IUPAC Name:
pentaphosphoric acid


Constituent 1
Chemical structure
Reference substance name:
Pyrophosphoric acid
EC Number:
219-574-0
EC Name:
Pyrophosphoric acid
CAS Number:
2466-09-3
Molecular formula:
H4O7P2
IUPAC Name:
diphosphoric acid
Constituent 2
Chemical structure
Reference substance name:
Orthophosphoric acid
EC Number:
231-633-2
EC Name:
Orthophosphoric acid
CAS Number:
7664-38-2
Molecular formula:
H3O4P
IUPAC Name:
phosphoric acid
Constituent 3
Chemical structure
Reference substance name:
Triphosphoric acid
EC Number:
233-840-3
EC Name:
Triphosphoric acid
CAS Number:
10380-08-2
Molecular formula:
H5O10P3
IUPAC Name:
triphosphoric acid