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Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing
Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing
Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing
Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing
Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing
Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing
Specifications
CAS :
7758-29-4
EINECS :
231-838-7
Appearance :
White particles or powder
Crystalline hydrate :
Water-free
Another name :
Sodium Triphosphate
Life span :
Two years
Available port :
Qingdao Port, Tianjin Port, Shanghai Port, Lianyungang Port, Fujian Port, Guangzhou Port
Fusing point :
622℃
Solubility :
H2O: may be clear to slightly hazy
Dangerous goods mark :
Xi
logP :
1.49640
Brand Name :
Riel Chemical
Model Number :
96%
Certification :
SGS, ISO9001, CE
Place of Origin :
Weifang
MOQ :
20 tons
Price :
USD 730～800 FOB
Payment Terms :
T/T , L/C
Supply Ability :
50 tons per day
Delivery Time :
3～5 work day
Packaging Details :
25 kg polyethylene woven bag, moisture-proof, easy to transport
Description
Sodium Tripolyphosphate Anhydrous STPP (CAS 7758-29-4) for Metal Finishing
Product Description

Industrial-grade Sodium Tripolyphosphate (STPP) specifically formulated for metal finishing applications.

Product Specifications
CAS 7758-29-4
EINECS 231-838-7
Appearance White particles or powder
Crystalline hydrate Water-free
Alternative names Sodium Triphosphate
Shelf life Two years
Available ports Qingdao, Tianjin, Shanghai, Lianyungang, Fujian, Guangzhou
Melting point 622°C
Solubility H2O: clear to slightly hazy
Dangerous goods mark Xi
logP 1.49640
Technical Specifications
Molecular formula Na5P3O10
Molecular weight 367.86
Standard GB/T 9983-2004
Quality Standards
Sodium tripolyphosphate ≥ 96.0%
Phosphorus pentoxide (P2O5) ≤ 57.0%
Water insoluble ≤ 0.10%
Iron ≤ 0.007%
pH Value (1%) 9.2-10.0
Whiteness ≥ 90
Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing
Physical and Chemical Properties
  • Chemical Formula: Na5P3O10
  • Molecular Weight: 367.86 g/mol
  • Appearance: White crystalline or powdery solid
  • Form: Typically exists as an anhydrous compound or hexahydrate
  • Water Solubility: Highly soluble in water (14 g/100 mL at 20°C, 30 g/100 mL at 60°C)
  • Aqueous Solution pH: 9.5-10.5 (1% solution)
  • Decomposition Temperature: 622°C
  • Property: Strong hygroscopicity and chelating ability with metal ions
Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing
Market Development and Future Prospects
Market Demand: Growing in detergent industry, processing, and water treatment applications
Economic Factors: Industrial growth driving demand for industrial detergents and water treatment chemicals
Environmental Considerations: Potential phosphorus restrictions may affect detergent applications
Technological Advancements: Production process improvements reducing costs and increasing competitiveness
Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing
Frequently Asked Questions
What is your payment term?

We accept T/T and L/C at sight as payment terms.

Are you able to deliver on time?

Yes, we specialize in this product line and guarantee timely delivery while maintaining superior grade.

Do you provide free samples?

Yes, we provide free samples with the customer responsible for express fees.

How about the price? Can you make it more economical?

We prioritize customer benefits and offer competitive, negotiable pricing based on order conditions.

Can I visit your company and factory in China?

Yes, you're welcome to visit our facility in Weifang, China (we provide airport transportation).

What if there is a quality problem?

Our industrial after-sales team promptly addresses all quality concerns.

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Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing

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Product Detail
CAS :
7758-29-4
EINECS :
231-838-7
Appearance :
White particles or powder
Crystalline hydrate :
Water-free
Another name :
Sodium Triphosphate
Life span :
Two years
Contact Supplier
Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing
Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing
Sodium Tripolyphosphate Anhydrous STPP Sodium CAS 7758-29-4 For Metal Finishing

Riel Chemical Co., Ltd.

Verified Supplier
2 Years
shandong, weifang
Since 2005
Business Type :
Manufacturer, Exporter
Main Products :
Trisodium Phosphate, Sodium Tripolyphosphate, Sodium Hexametaphosphate
Total Annual :
4500000-5000000
Employee Number :
120~200
Certification Level :
Verified Supplier
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