Sodium tripolyphosphate/stpp

• Post Date:

  Dec 30,2009

• Expiry Date:

  Jan 13,2010

• Detailed Description:

  Cas No. :7758-29-4 Payment Method: TT OR L/C
  Sodium tripolyphosphate /STPP 90%/94%/96%
  Molecular Formula:Na5P3O10
  CAS :7758-29-4
  Appearance :white powder
  Specification : Sodium tripolyphosphate 90%
  Item Specification
  Content ≥ 90%
  Appearance White crystal powder
  Odor Odorless
  Melting point 622℃
  Solubility 50g/100g in water(@25℃)
  
  Specification : Sodium tripolyphosphate 94%
  Item Specification
  Content ≥ 94
  P2O5 %≥ 57
  Whiteness %≥ 88
  Insoluble matter %≤ 0.1
  Fe %≤ 70ppm
  Size residue on 1.00 test sieve≤ 5.0
  Loss on lgnition(500) ≤ 1.0
  PH value(1% solution ) 9.2-10.0
  Bulk density(g/cm3) 0.65-0.99
  Phase 10-30
  
  Specification : Sodium tripolyphosphate 96%
  Item Specification
  Content ≥ 96
  P2O5 %≥ 57
  Whiteness %≤ 90
  Water Insoluble matter %≤ 0.1
  Fe %≤ 0.007
  Heavy metal as Pb ≤ 0.001
  PH value(1% solution ) 9.2-10.0
  
  Properties : white powder , surface density:0.35-0.9g/cm3,melting point :622, free soluble in water, aqueous solution appears acid , it is a kind of inorganic surface active agent .
  Package :in 25kg or 50kg or 1000kg net wpp/pe bags .
  Application : used as one of the main auxilaries for synthetic detergent , synergist for soap;water softener, tanning agent for leather making , auxiliary for dyeing; as an oil contamination resistance agent in paper production . in foodstuff industry is used as quality improver in the process of canned food, fruit juice drinks , food stuffs from milk or soybeans . it may tender the meat in canned ham and soften skin of horse bean in canned horse bean . it may also serves as a softener or densifier in foodstuff industry .
  
  

• CAS Registry Number:

  7758-29-4

• Company:

  Shijiazhuang Dexiang Chemicals Co., Ltd     [ China ]          

• Contact:

  linda

• Tel:

  311-66688682

• Fax:

  311-66688681

• Email:

  linda@sjzdexiang.com