Sodium Acid Pyrophosphate (SAPP), Food Grade

Chemical name: Sodium acid pyrophosphate
E231/2012 name: Disodium diphosphate
E number: E405(i)
Molecular formula: Na2H2P2O7
Molecular weight: 221.97
CAS No.: 7758-16-9
EINECS No.: 231-835-0

Specification (FCC 10)
Identification according to FCC 10 Complied
Appearance White powder or grains, soluble in water
Assay (on dry basis) 93.0-100.5% min
Water insolubles 1.0% max
Fluoride 50 ppm max
Arsenic (As) 3 ppm max
Lead (Pb) 2 ppm max
Cadmium (Cd) 1 ppm max
Aluminium 200 ppm max
PH (1% solution) 3.7-5.0
Application
  • Used as a rapid ferment agent, quality improver in food industry.
  • Applied to acid component of synthetic swelling agent, such as bread, cake.
  • After working with other phosphates, it can be applied to water holding capacity of meat product, such as canned meat, cooked ham, meat can and instant noodles.
Packing and Shelf Life

25kgs per multi-ply craft paper bags or PP/PE bags, 24mts/fcl packing on pallets or as per customer’s requirement.
Shelf life: 12 months

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