Sodium Acid Pyrophosphate
Sodium Acid Pyrophosphate
E No: E541
HS Code: 2835399000
Type:Phosphates
CAS No:7758-16-9
Qty in 20' FCL:25MT
Min. Order:500KG
ITEM | STANDARD |
Na2H2P2O7 | 95.0% MIN |
APPEARANCE | WHITE POWDER |
WATER INSOLUBLE | 1.0% MAX |
ARSENIC( AS) | 3PPM MAX |
LOSS ON DRYING | 0.5% MAX |
CADMIUM (PPM) | 1 MAX |
LEAD (PPM) | 4 MAX |
MERCURY (PPM) | 1 MAX |
HEAVY METAL( PB) | 15PPM MAX |
FLUORID( PPM) | 10 MAX |
PH VALUE | 3.5-4.5 |
White powder or granular;Relative density 1.86g/cm3;Soluble in water and insoluble in ethanol; If its aqueous solution is heated together with diluted inorganic acid, it will be hydrolyzed into Phosphoric Acid; It is hydroscopic, and when absorbing humidity it will become into a product with hexa-hydrates; If it is heated at a temperature above 220℃, it will be decomposed into sodium meta phosphate.
As a leavening agent it is applied to roast foodstuffs to control the fermentation speed; When applied to instant noodles, it can shorten water resetting time and avoid stickiness and mushiness of the noodles; When applied to crackers or cakes, it may shorten fermentation time, lower the breakage, make the porous space in good order and therefore lengthen the shelf life.
