STPP

• Category :

  Catalyst and Auxiliary/Water Treatment Chemicals

• Synonyms :

  pentasodium triphosphate;Pentasodium Tripolyphosphate;Sodium Phosphate Tripoly;STPP;Triphosphoric acid, pentasodium salt;Pent-sodium Phosphate;Sodium triphosphate;Sodium Tripolyphos;sodium phosphate (3:1);

• CAS NO :

  7758-29-4

• EC NO :

  231-838-7

• Molecular Formula :

  Na₅P₃O₁₀

• Molecular Weight :

  367.86413

• Main Specifications :

  94% food grade and technical grade

• InChI :

  InChI=1S/H5O10P3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h(H,7,8)(H2,1,2,3)(H2,4,5,6)/p-5

• Packing :

  25kg/pp bag,21MT/20FCL

• Product description :

  ? factory offer best price STPP? sodium tripolyphosphate????

  1.Characters:

  CAS?No:?7758-29-4?

  EC No:231-838-7?

  Molecular?Formula:?Na5P3O10?

  Molecular?Weight:?367.86?

  Melting?Point:622°C?

  Apearance:White?or?colorless?crystal?powder.

  Standard?executed:?GB/T9983-2004(technical?grade),

  ???????????????????????????????????QB1034-91(food?grade)

  ?

  2.Specification:

  Indexes	Industrial?Grade	Food?Grade
  Assay?Na5P3O10?%?≥	94.0	94.0
  P2?O?5?%?≥	57.0	57.0
  Water?Insoluble?Matter?%?≤	0.10	0.05
  Iron(Fe)?%?≤	0.01	0.015
  PH?value?(1%?water?solution)	9.2-10.0	9.5-10.0
  Heavy?Metal?(as?Pb)?%?≤	?	0.001
  Arsenic?(As)?%?≤	?	0.0003
  Fluoride?(F)?%?≤	?	0.003
  Ignition?loss	1.0	/
  density?(g/cm3)	0.35-0.9	0.35-0.9

  ?

  3.Properties:

  White?powder?or?granular;Easily?soluble?in?water;It?has?got?salient?chelating?

  capacity?to?Ca?and?Mg?ions.and?soften?hard?water?to?make?suspension?solution?become?

  into?clear?solution;it?has?got?weak?alkalinity?but?no?corrosiveness.

  It?is?a?surfactant,and?has?got?outstanding?emulsification?to?lubricants?and?fat.

  4.Application:?

  1)Used?in?detergent,?synergist?for?soap;?water?softener;?tanning?agent?for?leather?making,?

  auxiliary?for?dyeing;?As?an?effective?dispersion?agent?for?suspension?solutions?of?coatings,?

  kaolin,?magnesium?oxide,?calcium?carbonate?and?drilling?mud?etc.;?

  2)As?an?oil?contamination?resistance?agent?in?paper?production.?

  2)In?foodstuff?industry?it?is?used?as?quality?improver?in?the?process?of?canned?food,?fruit?juice?drinks,?

  foodstuffs?from?milk?or?soybeans.?

  4)It?may?tender?the?meat?in?canned?ham?and?soften?the?skin?of?horse?bean?in?canned?horse?bean.?

  5)It?may?also?serves?as?a?softener?or?densifier?in?foodstuff?industry.

  ?

  5.Pakage:25kg/pp?bag?21MT/20'FCL

  ?

  6.Storge:Store?at?a?cool,?dry?and?well?ventileated?place

  ZHENGZHOU CLEAN CHEMICAL CO.LTD.

  TEL:86-371-66611979

  FAX:86-371-66611971

• Uses :

  1)Used in detergent, synergist for soap; water softener; tanning agent for leather making,

• Molecular Structure :