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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
Technical Grade 96% Cas 7758-29-4 Sodium Tripolyphosphate STPP For Protect Pipe
| 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 |
Contact me for free samples and coupons.
WhatsApp:0086 18588475571
Wechat: 0086 18588475571
Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
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 |
| 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 | Density | 2.52 G/cm³ |
| Security Specification Coding | S24/25 | Dangerous Goods Transport Number | NONH For All Modes Of Transport |
| Highlight | cas 7758-29-4 sodium tripolyphosphate stpp,technical grade sodium tripolyphosphate stpp,technical grade sodium tri poly phosphate |
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| Mode of loading | Maximum load | |
|---|---|---|
| 20 GP no pallet | 20-22 tons | |
| 20 GP with pallet | 16 tons |
Product Description
Technical Grade 96% Cas 7758-29-4 Sodium Tripolyphosphate STPP For Protect Pipe
Product Specifications
| CAS Number | 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 Port
Tianjin Port
Shanghai Port
Lianyungang Port
Fujian Port
Guangzhou Port
|
| Melting Point | 622℃ |
| Solubility | H2O: may be clear to slightly hazy |
| Density | 2.52 g/cm³ |
| Safety Specification | S24/25 |
| Transport Classification | NONH for all modes of transport |
Technical Specifications
Molecular Formula: Na5P3O10
Molecular Weight: 367.86 g/mol
Industrial Grade: CAS 7758-29-4
Standard: GB/T 9983-2004
| 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
- Chemical Formula: Na5P3O10
- Molecular Weight: 367.86 g/mol
- Appearance: White crystalline or powdery solid
- Forms: Anhydrous compound (Na5P3O10) or hexahydrate (Na5P3O10·6H2O)
- Water Solubility: Highly soluble (14 g/100 mL at 20°C, 30 g/100 mL at 60°C)
- Other Solvents: Insoluble in organic solvents (e.g., ethanol)
- Aqueous Solution pH: 9.5-10.5 (1% solution)
- Decomposition Temperature: 622°C (forms sodium pyrophosphate and sodium metaphosphate)
- Hygroscopicity: Strong - easily absorbs moisture from air
- Key Property: Strong chelating ability with metal ions (Ca, Mg, Fe)
European Market Outlook
Western Europe: Stringent environmental regulations limit STPP use, with market share gradually being replaced by alternatives.
Eastern Europe: Currently higher STPP usage, but future EU environmental policies may impose restrictions.
Future Trends
- Growing preference for environmentally friendly alternatives
- Increased focus on sustainable production and application methods
- Continued demand in specialized applications like water treatment and food processing
Challenges & Opportunities
Challenges:
- Increasing environmental regulations
- Competition from alternative products
Opportunities:
- Continued demand in water treatment and food processing
- Technological advancements enabling more environmentally friendly applications
Industrial Applications
Water Treatment:
- Scale inhibitor for boilers, cooling towers, and pipelines
- Corrosion inhibitor for pipes and equipment
- Water softening agent by chelating calcium and magnesium ions
Textile Industry:
- Cleaning agent for fibers
- Bleaching stabilizer
- Dyeing auxiliary for even dispersion
Paper Industry:
- Dispersant for pulp fibers
- Retention agent for fillers and fine fibers
Ceramic Industry:
- Grinding aid for raw materials
- Dispersant for ceramic slurry
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 value and offer competitive, negotiable pricing based on order conditions.
Can I visit your company and factory in China?
Yes, we welcome visits to our facility in Weifang, China, with airport pickup/dropoff service available.
What if there is a quality problem?
Our professional after-sales team promptly addresses all quality concerns.
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