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Ahmed KhanI'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 GarciaOverall, 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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LabrekeoLa vitesse de livraison est très satisfaisante et presque aucune inquiétude. Chaque fois que la coopération fonctionne sans à-coup. Recommandez sincèrement à d’autres acheteurs!
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محمد لاگولدشریک خوب، پیدا کردن چنین تامین کننده ای عالی است، برای شما آرزوی موفقیت دارم
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JackThe 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 ສໄປ 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. ZhaoWe 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
CAS 7758-29-4 55.12 Pounds Sodium Tripolyphosphate For Printing
Place of Origin | Weifang |
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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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xProduct Details
CAS | 7758-29-4 | EINECS | 231-838-7 |
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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 | Soluble In Water, Its Aqueous Solution Is Alkaline | Density | 2.52 G/cm³ |
Security Description | S24/25;S26;S36 | Form | Powder/Solid |
Highlight | 55.12 Pounds Sodium Tripolyphosphate,Sodium Tripolyphosphate For Printing,CAS 7758-29-4 Sodium Tripolyphosphate |
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Mode of loading | Maximum load | |
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20 GP no pallet | 20-22 tons | |
20 GP with pallet | 16 tons |
Product Description
Sodium Tripolyphosphate (CAS 7758-29-4) - 55.12 Pounds for Printing Applications
Product Specifications
Attribute | Value |
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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℃ |
Solubility | Soluble in water (alkaline solution) |
Density | 2.52 g/cm³ |
Safety Information | S24/25; S26; S36 |
Form | Powder/Solid |
Technical Details
Molecular Formula: Na5P3O10
Molecular Weight: 367.86 g/mol
Grade: Industrial (Meets GB/T 9983-2004 Standard)
Molecular Weight: 367.86 g/mol
Grade: Industrial (Meets GB/T 9983-2004 Standard)
Quality Standards
Parameter | Standard Value |
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Sodium Tripolyphosphate Content ≥ | 96.0% |
Phosphorus Pentoxide (P2O5) ≤ | 57.0% |
Water Insoluble ≤ | 0.10% |
Iron Content ≤ | 0.007% |
pH Value (1% solution) | 9.2-10.0 |
Whiteness ≥ | 90 |


Physical and Chemical Properties
- Form: White crystalline or powdery solid (anhydrous)
- Solubility: Highly soluble in water (14g/100mL at 20°C, 30g/100mL at 60°C)
- pH: 9.5-10.5 (1% aqueous solution)
- Decomposition: At 622°C into sodium pyrophosphate and sodium metaphosphate
- Hygroscopicity: Strong moisture absorption tendency
- Chelation: Forms stable complexes with metal ions (Ca, Mg, Fe)

Industry Applications and Future Development
Key Applications
- Printing industry applications
- Detergent formulations (water softening, cleaning enhancement)
- Food processing (water retention, texture improvement)
- Industrial water treatment (scale and corrosion prevention)
- Ceramic, textile, petroleum, and metal treatment industries
Future Development Directions
- Development of environmentally friendly phosphorus alternatives
- High-value applications in new energy and catalyst fields
- Production process optimization for reduced environmental impact
- Exploration of biomedical applications

Weifang Riel Chemical Advantages
- R&D Excellence: Dedicated team for product optimization and new applications
- Quality Assurance: Strict control systems ensuring high purity and consistency
- Environmental Compliance: Clean production meeting global standards
- Product Range: Multiple specifications for diverse industry needs
- Global Reach: International certifications and export capabilities
- Customer Support: Technical assistance and reliable after-sales service

Frequently Asked Questions
What is your payment term?
We accept T/T and L/C at sight payment terms.
Can you guarantee on-time delivery?
Yes, we specialize in reliable, timely deliveries while maintaining top product quality.
Do you provide free samples?
Yes, we provide free samples with the customer responsible for express shipping costs.
Is price negotiation possible?
We offer competitive pricing and are open to negotiation based on order specifics.
Can we visit your facility in China?
Visitors are welcome at our Weifang facility with airport transportation provided.
What if there are quality issues?
Our professional after-sales team promptly addresses any quality concerns.
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