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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. -
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. -
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! -
محمد لاگولدشریک خوب، پیدا کردن چنین تامین کننده ای عالی است، برای شما آرزوی موفقیت دارم -
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 -
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] -
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
Chemical Materials Water Soluble Sodium Tripolyphosphate STPP For Industrial Waste Water Disposal
| 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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xProduct 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 |
| Fusing Point | 622℃ | Solubility | Soluble In Water, Its Aqueous Solution Is Alkaline |
| Highlight | industrial sodium tripolyphosphate stpp,industrial sodium tri poly phosphate,white sodium tripolyphosphate stpp |
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| Mode of loading | Maximum load | |
|---|---|---|
| 20 GP no pallet | 20-22 tons | |
| 20 GP with pallet | 16 tons |
Product Description
Water Soluble Sodium Tripolyphosphate (STPP) for Industrial Waste Water Disposal
Key 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 |
| Fusing point | 622℃ |
| Solubility | Soluble in water, its aqueous solution is alkaline |
Product Description
Industrial grade Sodium Tripolyphosphate (STPP) with CAS 7758-29-4, meeting GB/T 9983-2004 standard for industrial waste water disposal applications.
Technical Specifications
| Parameter | Standard Value |
|---|---|
| Molecular formula | Na5P3O10 |
| Molecular weight | 367.86 |
| 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 |
Physical and Chemical Properties
- Appearance: White crystalline or powdery solid
- Form: Typically exists as an anhydrous compound (Na5P3O10)
- Water Solubility: Highly soluble (14g/100mL at 20°C, 30g/100mL at 60°C)
- pH: 9.5-10.5 (1% aqueous solution)
- Decomposition Temperature: 622°C (into sodium pyrophosphate and sodium metaphosphate)
- Hygroscopicity: Strong moisture absorption from air
- Chelating Ability: Forms stable soluble complexes with metal ions (Ca, Mg, Fe)
Market Applications and Development
Industry Applications
- Detergent Industry: Former main detergent aid (now restricted in many regions)
- Food Industry: Food additive (E451) for water retention and texture improvement
- Water Treatment: Prevents scale and corrosion in industrial systems
Environmental Considerations
- Potential for water eutrophication leading to phosphorus restrictions
- Development of phosphorus-free alternatives in detergent applications
- Continued use in industrial applications where alternatives are less effective
Future Development
- Environmentally friendly STPP alternatives
- High-value applications in new energy and materials
- Process optimization for reduced environmental impact
Riel Chemical Product Advantages
- Quality Assurance: High purity (≥96%) with batch-to-batch consistency
- Environmental Compliance: Meets international environmental standards
- Technical Support: Professional R&D team for product optimization
- Custom Solutions: Various specifications for different industry needs
- Global Reach: Certified for international markets with reliable logistics
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 with reliable delivery schedules and consistent quality.
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 offer competitive pricing with negotiation possible based on order volume and terms.
Can I visit your company and factory in China?
Yes, we welcome visits to our facility in Weifang, China with airport transportation provided.
What if there is a quality problem?
Our professional after-sales team promptly addresses any quality concerns.
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