SODIUM PYROPHOSPHATE ANHYDROUS
FORMULA: Na4P2O7
M. W.: 265.90
CAS NO.: 7722-88-5
GRADE: TECH GRADE
DESCRIPTION: WHITE CRYSTALINE POWDER. RELATIVE DENSITY IS 2.534.
MELTING POINT IS 890℃. EASY DISSOLVE IN WATER, BUT NOT DISSOLVE
IN ALCOHOL. THE WATER SOLUTION OF IT IS OF ALKALINITY.
SPECIFICATIONS:
|
Na4P2O7
(DRY BASE) |
97.5% MIN. |
|
WATER
INSOLUBLES |
0.20% MAX. |
|
PH VALUE (1%
WATER SOLUTION) |
9.9-10.7 |
|
P2O5 |
51.5% MIN. |
|
FINENESS |
90 |
|
PHOSPHATE |
ACCORD DEMANDS
OF TEST |
USES: IT IS WIDELY USED AS ASSISTANT DETERGENT, AND IN PAPER BLEACHING, WOOL
DEGRASING, AND ELECTROPLATING INDUSTRIES. IT IS ALSO USED AS BUTTER,
EMULSIFYING AGENT, NUTRIENT AND QUALITY-IMPROVING AGENT IN FOOD INDUSTRY, ETC.
PACKING: P.P.
BAG, 25 KG/50 KG/BAG.