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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Disodium dihydrogenpyrophosphate
EC Number:
231-835-0
EC Name:
Disodium dihydrogenpyrophosphate
CAS Number:
7758-16-9
Molecular formula:
H4O7P2.2Na
IUPAC Name:
Sodium acid pyrophosphate

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • Dinatriumphosphat
  • Disodium pyrophosphate
  • Hi-B-281(/3)
  • Hi-R-221(/2)
  • Natriumpyrophosphat, sauer
  • PHOSKADENT Pyro S
  • PURON
  • Pirofosforan disodu
  • Prayphos SAPP Fin, LI, SAPP 180 FG
  • SAPP
  • SAPP-Gr
  • SAPP-Pw
  • Sodium Acid PyroPhosphate 15
  • Sodium Acid PyroPhosphate 28
  • Sodium Acid Pyrophosphate
  • Sodium Acid Pyrophosphate 28, semigranular
  • Sodium Acid Pyrophosphate 40
  • Sodium acid pyrophopshate (SAPP)
  • Sodium acid pyrophosphate
  • TARGON 26
  • diphosphoric acid disodium salt
  • disodium diphosphate
  • disodium pyrophosphate
  • sodium pyrophosphate dibasic
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium dihydrogenpyrophosphate
    EC Number:
    231-835-0
    EC Name:
    Disodium dihydrogenpyrophosphate
    CAS Number:
    7758-16-9
    Molecular formula:
    H4O7P2.2Na
    IUPAC Name:
    Sodium acid pyrophosphate

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium dihydrogenpyrophosphate
    EC Number:
    231-835-0
    EC Name:
    Disodium dihydrogenpyrophosphate
    CAS Number:
    7758-16-9
    Molecular formula:
    H4O7P2.2Na
    IUPAC Name:
    Sodium acid pyrophosphate
    State Form:
    other: pellets
    Degree of purity:
    > 95 - < 100 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium dihydrogenpyrophosphate
    EC Number:
    231-835-0
    EC Name:
    Disodium dihydrogenpyrophosphate
    CAS Number:
    7758-16-9
    Molecular formula:
    H4O7P2.2Na
    IUPAC Name:
    Sodium acid pyrophosphate
    Impurity 1
    Chemical structure
    Reference substance name:
    Sodium dihydrogenorthophosphate
    EC Number:
    231-449-2
    EC Name:
    Sodium dihydrogenorthophosphate
    CAS Number:
    7601-54-9
    Molecular formula:
    H2NaO4P
    IUPAC Name:
    Trisodium phosphate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium dihydrogenpyrophosphate
    EC Number:
    231-835-0
    EC Name:
    Disodium dihydrogenpyrophosphate
    CAS Number:
    7758-16-9
    Molecular formula:
    H4O7P2.2Na
    IUPAC Name:
    Sodium acid pyrophosphate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium dihydrogenpyrophosphate
    EC Number:
    231-835-0
    EC Name:
    Disodium dihydrogenpyrophosphate
    CAS Number:
    7758-16-9
    Molecular formula:
    H4O7P2.2Na
    IUPAC Name:
    Sodium acid pyrophosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium dihydrogenpyrophosphate
    EC Number:
    231-835-0
    EC Name:
    Disodium dihydrogenpyrophosphate
    CAS Number:
    7758-16-9
    Molecular formula:
    H4O7P2.2Na
    IUPAC Name:
    Sodium acid pyrophosphate


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium dihydrogenpyrophosphate
    EC Number:
    231-835-0
    EC Name:
    Disodium dihydrogenpyrophosphate
    CAS Number:
    7758-16-9
    Molecular formula:
    H4O7P2.2Na
    IUPAC Name:
    Sodium acid pyrophosphate


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium dihydrogenpyrophosphate
    EC Number:
    231-835-0
    EC Name:
    Disodium dihydrogenpyrophosphate
    CAS Number:
    7758-16-9
    Molecular formula:
    H4O7P2.2Na
    IUPAC Name:
    Sodium acid pyrophosphate


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium dihydrogenpyrophosphate
    EC Number:
    231-835-0
    EC Name:
    Disodium dihydrogenpyrophosphate
    CAS Number:
    7758-16-9
    Molecular formula:
    H4O7P2.2Na
    IUPAC Name:
    Sodium acid pyrophosphate

    Composition(s) generated upon use

    Other types of composition(s)