Acids & Salts Available to Source

Sodium Acid Pyrophosphate

CAS 7758-16-9 · MF H2Na2O7P2 · MW 221.94 g/mol

Sodium Acid Pyrophosphate (SAPP) is an inorganic compound serving as a buffering and chelating agent. It is widely used in the food industry as a leavening

SDS / TDS Download
CAS Number
7758-16-9
Molecular Formula
H2Na2O7P2
Molecular Weight
221.94 g/mol
Material Family
Acids & Salts
Physical Properties
density
Density: 1.86 /Hexahydrate/
solubility
Soluble in water
ph
Between 3,7 and 5,0 (1 % solution)
GHS / SDS Safety Warning
Irritant
  • H302 (25.5%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H319 (84.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Chemical Identity
CAS Number7758-16-9
IUPAC Namedisodium;[hydroxy(oxido)phosphoryl] hydrogen phosphate
InChI KeyGYQBBRRVRKFJRG-UHFFFAOYSA-L
PubChem CID 24451
INCI NameDISODIUM PYROPHOSPHATE
Synonyms & Trade Names
Sodium acid pyrophosphate Disodium dihydrogen pyrophosphate DISODIUM PYROPHOSPHATE Disodium dihydrogen diphosphate Diphosphoric acid, disodium salt Disodium acid pyrophosphate Dinatriumpyrophosphat H5WVD9LZUD Pyrophosphoric acid, disodium salt RefChem:135083 SAPP Disodiumpytophosphate Dinatriumpyrophosphat [German] Sodium pyrophosphate (Na2H2P2O7)
Full Description

Sodium Acid Pyrophosphate (SAPP) is an inorganic compound serving as a buffering and chelating agent. It is widely used in the food industry as a leavening