Alternative Name
Pyrophosphate inorganic; Sodium diphosphate tetrabasic; Tetrasodium pyrophosphate; Sodium phosphate (pyro); Diphosphoric acid, sodium salt, hydrate (1:4:10); Diphosphoric acid, tetrasodium salt, decahydrate; Pyrophosphoric acid, tetrasodium salt, decahydrate; Sodium Phosphonato Phosphate Decahydrate; Sodium Pyrophosphate Decahydrate; Sodium diphosphate (Na4P2O7) decahydrate; Sodium pyrophosphate (Na4P2O7) decahydrate; Tetrasodium Diphosphate Decahydrate; Trisodium phosphate 12aq
Other Properties
CAS RN: 13472-36-1
EC Number: 231-767-1
Heavy Metals (as Pb): ≤ 10ppm
Identification (IR): To conform to standard
Lead (Pb): ≤ 10ppm
Signal word: Danger
Solubility (5% in water): Clear, colourless solution (on warming)
WGK: WGK 1
Water: 37.5 - 43.5 %
pH (1% in water): 9.7 - 10.7
Hazard Information
• H Statements:
H302: Harmful if swallowed.
H318: Causes serious eye damage.
• P Statements:
P264: Wash thoroughly after handling.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.