Product Description
Sodium Acid Pyrophosphate, Anhydrous is a white granular or powder solid. Soluble in water giving acidic. Synonym Sodium Acid Pyrophosphate anhydrous, Disodium Dihydrogen Pyrophosphate SAPP. Formula Na2H2P2O7 Molecular Weight 221.94 CAS Number 7758-16-9 CAS Index Name Diphosphoric Acid, Disodium Salt Grade Food grade, Free from any harmful and toxic substance. Uses Used as quality improving agent. Use as a leavening acid in commercial baking Powder Process used in: Liquid processing, dry blending. Functional use in foods Buffer; Leaving agent; Sequestrant. Used in flameresistant material. Storage Cool and dry Label Declaration or marks of package: Sodium Acid Pyrophosphate Food grade Net weight/gross weight Batch No., Manufacturing date and expiry date Country of origin Or according to customer's requirements. Shelf Life 3 years Shipping Information Main port of China. One 20'FCL max loading 23mt without pallets Or 21mt with pallets Packing: N. W. 25kgs/bag Inner PE bag two layers; Outer PP woven bag or paper bags G. W. 25.2kgs/bag paper bag G. W. 25.1kgs/bag Plastic woven bag Product and package must be free from Pests/ infestation.
Uses: As water softener, detergent additive, boiler cleaner, metal ion chelation agent, dispersant, synthetic rubber making in industry; as quality improver, emulsification agent and buffer agent.Packing: 25kg plastic woven bag, store at dry and ventilated place.
Specification | Specification | Food grade | Reagent Grade | |||||||
Anhydrous | Decahydrate | Anhydrous | decahydrate | Specifications | Reagent grade (AR) | |||||
Main content(Nap2o7.10H2O)%≥ | 99.0 | |||||||||
Main content | 97.0 | 98.0 | 96.5-100.5 | ≥98.0 | ||||||
Water insoluble %≤ | 0.005 | |||||||||
Ortho phosphates | Pass | Pass | Pass | Pass | ||||||
Water solution reaction | Qualified | |||||||||
PH of 10g/l water solution | 9.9-10.7 | 9.9-10.7 | 9.9-10.7 | 9.9-10.7 | ||||||
Choride (CL) %≤ | 0.001 | |||||||||
Arsenic(As) %≤ | --- | --- | 0.0003 | 0.0003 | Sulphate (SO4) %≤ | 0.025 | ||||
fluoride(F) %≤ | --- | --- | 0.005 | 0.005 | phosphates(PO4)%≤ | 0.3 | ||||
Clarity test | qualified | |||||||||
Heavy metal(Pb) %≤ | --- | --- | 0.001 | 0.001 | ||||||
Arsenice (AS) %≤ | 0.00005 | |||||||||
Water insoluble %≤ | 0.2 | 0.2 | 0.2 | 0.2 | ||||||
Iron (Fe) %≤ | 0.001 | |||||||||
Ignition loss %≤ | --- | --- | 0.5 | 38.0-42.0 | ||||||
Heavy metal (Pb)%≤ | 0.001 |