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    Ahmed Khan
    I'm a trader from Pakistan. I have bought sodium hempetaphosphate with Manager Hu and worked with him for 3 times. THKs Hu, now I have become a local agent. Riel Chemical is indeed a trusted partner. Highly recommended for friends who need high quality chemical products.
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    Maria J Garcia
    Overall, I was impressed. Whether it is product details or service response speed, it is done very well, and customers are satisfied. Warmly tips: Could you guys add more payment methods?that would be great.
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    Jack
    The cooperation with Riel Chemical Co., Ltd. is our most sensible choice. Your team's efficiency, professionalism and innovative spirit are impressive, and we are looking forward to further cooperation in the future! -- Jack Sales manager
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    ອາ ລິ ສ
    ໄປ ຈົນ ສຸດ ຂີດ, ຂອບ ໃຈ ຫລາຍໆ ທີ່ ມີ ທ່ານ! ບໍ່ ວ່າ ຈະ ເປັນ ການ ສະຫນັບສະຫນູນ ຢ່າງ ເຕັມທີ່ ໃນ ເວລາ ທີ່ ສໍາຄັນ ຫລື ການ ເອົາ ໃຈ ໃສ່ ຢ່າງ ລະມັດລະວັງ ຕໍ່ ລາຍ ລະອຽດ ຂອງ ການ ຮັບ ໃຊ້ ປະຈໍາ ວັນ, ເຮົາ ຮູ້ສຶກ ວ່າ ໄດ້ ຮັບ ຄວາມ ໄວ້ ວາງ ໃຈ. ຂໍ ໃຫ້ ມິດຕະພາບ ຍືນ ຍົງ ຕະຫລອດ ໄປ ແລະ ການ ຮ່ວມ ໄມ້ ຮ່ວມ ມື ຈະ ຍືນ ຍົງ ຕະຫລອດ ໄປ ——[ທີມການຄ້າເຄມີຂອງລາວ]
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    Mr. Zhao
    We have been cooperating with Riel Chemical for five years. The product quality has always been perfect and the usage effect is good. Your company's sales manager is also particularly polite
Contact Person : Jenkins Hu / Jinxu Hu
Phone Number : 86 15263616103
WhatsApp : +8615263616103

96% Highly Purified 25Kg/Bag STPP Sodium Tri Poly Phosphate For Waste Water Treatment System

Place of Origin Weifang
Brand Name Riel Chemical
Certification SGS, ISO9001, CE
Model Number 96%
Minimum Order Quantity 1 ton
Price USD 730~800 FOB
Packaging Details 25 kg polyethylene woven bag, moisture-proof, easy to transport
Delivery Time 3~5 work day
Payment Terms T/T , L/C
Supply Ability 50 tons per day

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WhatsApp:0086 18588475571

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Skype: sales10@aixton.com

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Product Details
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℃
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25kg/bag sodium tri poly phosphate

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25kg/bag stpp sodium

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powder stpp sodium

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Mode of loading Maximum load
20 GP no pallet 20-22 tons
20 GP with pallet 16 tons
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Product Description
96% Highly Purified 25Kg/Bag STPP Sodium Tri Poly Phosphate For Waste Water Treatment System
Product Specifications
Attribute Value
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℃
Product Description

96% Highly Purified 25Kg/bag STPP For Waste Water Treatment System

Key Attributes
Molecular formula: Na5P3O10
Molecular weight: 367.86
Industrial grade CAS: 7758-29-4
Quality Standards (GB/T 9983-2004)
Test Item Standard Value
Main content: 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
96% Highly Purified 25Kg/Bag STPP Sodium Tri Poly Phosphate For Waste Water Treatment System 0
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 (Na₅P₃O₁₀) or a hexahydrate (Na₅P₃O₁₀*6H₂O)
Water Solubility: Highly soluble in water (14 g/100 mL at 20°C, 30 g/100 mL at 60°C)
Other Solvent: Insoluble in organic solvents (e.g., ethanol)
Aqueous Solution pH: 9.5-10.5 (1% solution)
Decomposition Temperature: 622°C (into sodium pyrophosphate and sodium metaphosphate)
Hydrate Stability: Hexahydrate tends to effloresce in dry air
Hygroscopicity: Strong; easily absorbs moisture from air
Chelating Ability: Forms stable soluble complexes with metal ions (Ca, Mg, Fe)
96% Highly Purified 25Kg/Bag STPP Sodium Tri Poly Phosphate For Waste Water Treatment System 1
Market Prospects and Applications
Industry Applications
Detergent Industry

Formerly the main detergent aid, now transitioning due to environmental concerns. Still maintains demand in developing markets with less stringent phosphorus regulations.

Food Industry

Used as food additive E451 in meat and seafood products for water retention and texture improvement. Faces competition from natural alternatives but maintains stable demand.

Industrial Water Treatment

Essential for preventing scale and corrosion in industrial water systems. Maintains advantages in high-temperature, high-pressure environments despite competition from newer alternatives.

Environmental Considerations

STPP decomposition in water bodies can cause eutrophication, leading to algal blooms and ecological imbalance. Worldwide phosphorus restrictions are driving development of phosphorus-free alternatives in many applications.

Future Development Directions
  • Development of environmentally friendly, low-phosphorus alternatives
  • Production of high-purity, specialized STPP products for niche applications
  • Expansion into new fields like battery materials and catalysts
  • Implementation of circular economy approaches for recycling and reuse
96% Highly Purified 25Kg/Bag STPP Sodium Tri Poly Phosphate For Waste Water Treatment System 2 96% Highly Purified 25Kg/Bag STPP Sodium Tri Poly Phosphate For Waste Water Treatment System 3 96% Highly Purified 25Kg/Bag STPP Sodium Tri Poly Phosphate For Waste Water Treatment System 4
Riel Chemical Product Advantages
Quality & Stability

Advanced production technology and strict quality control ensure high purity and batch-to-batch consistency.

Environmental Compliance

Green production processes minimize waste and meet international environmental standards.

R&D Capability

Experienced research team continuously improves product performance and develops new applications.

Product Range

Multiple specifications available with customization options for different industry needs.

Market Recognition

Established brand with long-term partnerships with domestic and international clients.

Global Presence

Products exported worldwide with necessary international certifications for market access.

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 maintain strict quality control to ensure timely delivery of top-quality goods.

Do you provide free samples?

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

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?

Yes, we welcome visits to our Weifang facility and provide airport transportation assistance.

What if there is a quality problem?

Our professional after-sales team promptly addresses all quality concerns to ensure complete customer satisfaction.