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Sodium Tripolyphosphate Stpp

Inquiry
  Post Date: Jul 20,2018
  Expiry Date: Jul 20,2019
  Detailed Description: Cas No. :7758-29-4 Quantity: 1Metric Tons
Specs:94%
Price:920 USD Metric Tons
Payment Method: TT,LC
Sodium Tripolyphosphate (STPP)
1.Chemical and Physical Properties:
Molecular Formula: Na5P3O10
Molecular Weight : 367.86
CAS NO.: 7758-29-4
EINECS NO.: 237-004-9
H.S Code: 2835319000.
White microdot powder with luster,density:0.35-0.9g/cm 3 melting point at 622 °C,easily soluble in water, with remarkable chelating ability to some metal ions such as Ca 2+, Mg 2+, can soften hard water, change suspension into solution, slightly alkaline, without causticity.
2)Usage:
Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process.
3)Specifications:
GB/T9983-2004(technical grade), QB1034-91(food grade)
Specifications Industrial Grade Food Grade
AssayNa5P3O10 % ≥ 94.0 95.0
P2O5 % ≥ 57.0 57.0
Water Insoluble Matter %≤ 0.1 0.05
Iron(Fe) %≤ 0.01 0.01
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
Whiteness %≥ 90.0 90.0
Density: 0.35-0.9g/cm 3 0.55-0.9g/cm 3
4)Packing Details:
The goods will be packed in Net weight 25kgs, 50kgs or 1000kgs plastic-woven sack with polythene inner bag;
20MT-24MT will be loaded in 1*20'fcl container.
5)Storage:
Store at a cool, dry and well ventilated place.

  CAS Registry Number:

7758-29-4

  Synonyms: ;pentasodium triphosphate;Pentasodium Tripolyphosphate;Sodium Phosphate Tripoly;STPP;Triphosphoric acid, pentasodium salt;Pent-sodium Phosphate;Sodium triphosphate;Sodium Tripolyphos;sodium phosphate (3:1);
  Molecular Formula: Na5P3O10
  Molecular Weight: 367.86413
  Molecular Structure: 7758-29-4 Sodium Tripolyphosphate
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S24/25:;

  Company: Tianjin Xinxin Biotechnology Research And Development Center     [ China ]          
  Contact: Richard Cao
  Tel: 86-22-86399960 15202298304
  Fax: 86-22-86399961
  Email: xinxin01@znso4.com
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