Sodium Tripolyphosphate(STPP)

Sodium tripolyphosphate(STPP) Used as one of the main auxiliaries for synthetic detergent, synergist for soap; water softener..

SYNONYM: SODIUM TRIPHOSPHATE, STPP

FORMULA: Na5P3O10

M. W.: 368

CAS NO.: 7758-29-4

GRADE: TECH.GRADE

DESCRIPTION: WHITE CRYSTAL HYGROSCOPIC AND SOLUBLE IN WATER THAT MAKES AN ALKALINE SOLUTION AND HAVE CAPACITY OF COMPLEXING METAL IONS, SUCH AS CA2+ MG2+ FE2+ FE3+ ECT., AND EFFECT COLLOIDIZATION, EMUSIFICATION DISPERSION AND BUFFERING.

SPECIFICATIONS:

CONTENT	94% MIN.
P2O5 CONTENT	57%MIN.
INSOLUBLE IN WATER:	0.01%MAX.
PH VALUE (1% SOLUTION)	9.2-10.0
BULK DENSITY	0.5-0.9 g/cm3
OTHER PHOSPHATE	6%MAX.
MOISTURE	0.1%MAX.
Fe	50ppm MAX
PHAS	30-55%
TEMPERATURE RISE	8-16
RATE OF HYDRATE AFTER 1 MINUTE	85MIN.
RATE OF HYDATE AFTER 5 MINUTE	92MIN.

USES: USED AS MAIN DETERGENT BUILDING: AS SOFT WATER AGENT, AS DETERGENT BUILDING FOANING AGENT, AS EMULSIFIER OF OILS AND GREASES, AS PEPTIZING AGENTS, AS PH BUFFERS, AND TO PROVIDE ALKALINITY. USED IN PETROLEUM INDUATRY AS PEPTIZING AND DEFLOCCULATION AGENTS IN OIL WELL DRILLING MUDS, SEQUESTRATION IN COTTON BOILING, BATH WATER SOFTENING, RED AND BLACK WATER CONTROL, CATHOCLIC CORROSION INHIBITER.

PACKING: 25KG NET PLASTIC WOVEN BAGS.

H.S. NO.: 2835.3100

Sodium Tripolyphosphate(STPP)