Sichuan Quality Sodium acid pyrophosphate (aka disodium dihydrogen pyrophosphate) Description:
(Name) sodium acid pyrophosphate / disodium dihydrogen pyrophosphate (SAPP / SODIUM ACID PYROPHOSPHATE)
(Performance standards) HG2928-1999
Decomposed when (characters) of a white powder, relative density 1.86, soluble in water, soluble in ethanol, aqueous solution with dilute mineral acid hydrolysis into heating the phosphoric acid, hygroscopic, crystalline hydrate form after six water, heated to above 220 ℃ metaphosphate.
(Food grade technical indicators)
1. Main Content ≥95.0%
2. pH value (1% solution) 3.5-4.5
3. Water insolubles ≤0.2%
4. Fluoride (as F) ≤0.005%
5. Heavy metals (as Pb) ≤0.0015%
6. arsenic (As) ≤0.0003%
(Purpose) is used as leavening agent for baked goods, controlled fermentation speed; for instant noodles, reduce finished rehydration time, non-stick is not bad; for cakes and biscuits, shorten the fermentation time, reduce product breakage rate, loose gap tidy prolong the storage period.
(Package) plastic woven, NW 25KG, stored in a dry place.
(Main product) phosphate products, sodium hexametaphosphate, sodium tripolyphosphate. (Dihydrate and anhydrous) sodium dihydrogen phosphate. (Twelve water and anhydrous) disodium hydrogen phosphate. (Twelve water and anhydrous) trisodium phosphate, sodium pyrophosphate, sodium acid pyrophosphate, potassium dihydrogen phosphate. (Sanshui and anhydrous) potassium phosphate dibasic anhydrous tripotassium phosphate, potassium tripolyphosphate, potassium pyrophosphate, phosphate ammonium dihydrogen phosphate, diammonium phosphate. (water-soluble and water-insoluble) ammonium polyphosphate, dicalcium phosphate, tricalcium phosphate, tricalcium phosphate anhydrous magnesium phosphate, urea, red phosphorus, phosphoric acid and the like.