Riel Chemical Co., Ltd.
                                                                                                           
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Na5P3O10 Sodium Tripolyphosphate 96% Stpp Phosphate Water Softener

Price Negotiable
Price: USD 100~200/TONS FOB
MOQ: 1Tons
Delivery Time: 5 works
Brand: Riel Chemical
Product Description
Na5P3O10 Sodium Tripolyphosphate 96% Stpp Phosphate Water Softener
Sodium Tripolyphosphate STPP Phosphate Water Softener Industrial Grade available in 25kg bags.
Product Attributes
Attribute Value
CAS 7758-29-4
EINECS NO 231-838-7
Grade standard Industrial Grade
Brand Name Riel Chemical
Packing 25kg /Bag
Shelf Life 2 years
Molecular formula Na5P3O10
Molecular weight 367.86
Solubility Soluble in water
Purpose Industrial water softener, tanning agent, dyeing agent, paint, kaolin, magnesium oxide, calcium carbonate dispersant, drilling mud dispersant, paper anti-oil agent.
Technical Specifications
Industrial Grade (GB/T 9983-2004 Standard)
Test Item Standard Value
Main content: sodium tripolyphosphate ≥ 96.0%
Phosphorus pentoxide P2O5≤ 57.0%
Water insoluble 0.10%
Fluoride (as F) ≤ 0.007%
Ph Value (1%) 9.2-10.0
Whiteness ≥ 90
Grade (QB 1034-1991 Standard)
Test Item Standard Value
Main content: sodium tripolyphosphate ≥ 95.0%
Phosphorus pentoxide P2O5≤ 57.0%
Water insoluble≤ 0.05%
Fluoride (as F) ≤ 0.003%
Heavy martial (as Pb) ≤ 0.001%
Arsenic (as As) ≤ 0.0003%
Sulphate (as SO4)≤ 0.4%
Chlorine (as Cl) ≤ 0.025%
Ph Value (1%) 9.5-10.0
Whiteness ≥ 85
References: Riel Chemical Lab1&2, National public service platform for standards information.
Sodium Tripolyphosphate product packaging Sodium Tripolyphosphate product close-up
Textile Industry Applications
  • Printing and dyeing aids: Acts as dispersant, stabilizer, and chelating agent to improve dyeing uniformity and process stability.
  • Bleaching aids: Enhances bleaching effect while protecting fibers from damage.
  • Fiber treatment: Softens fibers and provides antistatic properties.
  • Washing and finishing: Improves detergent performance and prevents stain redeposition.
Sodium Tripolyphosphate used in textile industry
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 top quality.
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 cheaper?
We prioritize customer benefits and offer competitive, negotiable pricing based on order conditions.
Can I visit your company and factory in China?
You're welcome to visit our facility in Weifang, China. We provide airport pickup/dropoff service.
What if there is a quality problem?
Our professional after-sales team promptly resolves all quality concerns.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Riel Chemical Co., Ltd.
Location 1007, Qingzhou Taihua Building, Weifang City, Shandong Province, China
Contact Person Jenkins Hu / Jinxu Hu

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