SODIUM TRIPOLYPHOSPHATE (STPP) (TECHNICAL GRADE)

Chemical formula: Na₅P₃O₁₀
CAS NO.: 7758-29-4
INS NO.: 451 (i)
Applications: Chiefly used as a water softener,sequestering agent,and defloculating agent in detergent industry. Also used in ceramic,mine,petroleum and paper manufacturing industries.
Packing: 25kg paper bag
Specifications: National Standard GB/T9983-2004

CHARACTERISTICS	SPECIFICATION LIMITS
Sodium Tripolyphosphate （Na₅P₃O₁₀）%	≥94
P₂O₅ %	≥56.5
Water Insoluble %	≤0.1
pH (1% aqueous solution)	9.2~10.3
Whiteness	≥85
Iron as Fe %	≤0.015
Appearance	White granula or powder
Phase I	5-20%, 20-40%, >40%
Bulk density	Light:0.5-0.65g/ml, medium 0.7-0.85g/ml, dense:0.85-1.0g/ml

NOTE: Specification Limits are subject to change from time to time. Please contact us for current data sheet