Sodium&Nbsp; Tripolyphosphate (STPP) Technical Grade

• CAS No.: 7758-29-4
• Usage: Water Treatment Chemicals, Paper Chemicals
• Color: White
• Molecular Formula: Na5p3o10
• CAS Number: 7758-29-4
• Molecular Weight: 367.86
• Model NO.: STPP Technical Grade
• pH Value: 9.2-10.3
• Whiteness: 85 Min
• Transport Package: 25kg/Paper Bag or 1000kg/Supersack
• Specification: STPP Technical Grade
• Trademark: Deborn
• Origin: China
• HS Code: 2835311000

Product Description

Synonym: Pent-sodium Phosphate
Molecular formula: Na₅P₃O₁₀
Molecular Weight: 367.86
CAS Number: 7758-29-4 
Technical index:

Testing Items	STPP Technical Grade
Appearance	White Powder or granules
Content (Na5P3O10)%	94.0 min
P2O5 %	56.5 min
Iron (Fe) %	0.015 max
Water Insoluble %	0.1 max
pH Value	9.2-10.3
Whiteness	85 min
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

 
Application:
Chiefly used as a water softener,sequestering agent,and defloculating agent in detergent industry. Also used in ceramic,mine,petroleum and paper manufacturing industries.
Package:
25kg/paper bag or 1000kg/supersack.