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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
96% CAS 7758-29-4 Zero Scale State Lndustrial Grade STPP Water Treatment Agent
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 600/TONS FOB |
Packaging Details | 25 kg polyethylene woven bag, moisture-proof, easy to transport |
Delivery Time | 5 work day |
Payment Terms | L/C,T/T |
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.
xCAS | 7758-29-4 | EINECS | 231-838-7 |
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Appearance | White Powder | Crystalline Hydrate | No Water Crystals |
Life Spen | Two Years | Stats | Chemical Materials |
PH | 9~10 | ||
Highlight | Water Treatment Agent STPP,CAS 7758-29-4 STPP |
20 GP Container | Maximum load (tons) | |
---|---|---|
With tray | 16 | |
No tray | 20~22 |
Attribute | Value |
---|---|
CAS | 7758-29-4 |
EINECS | 231-838-7 |
Appearance | White powder |
Crystalline hydrate | No Water crystals |
Life span | Two years |
Status | Chemical materials |
PH | 9~10 |
Sodium Tripolyphosphate (STPP) is a high-performance water treatment agent with industrial and food grade applications. Molecular formula: Na5P3O10, Molecular weight: 367.86.
Parameter | Standard Value |
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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 |
Parameter | Standard Value |
---|---|
Main content (sodium tripolyphosphate) ≥ | 95.0% |
Phosphorus pentoxide (P2O5) ≤ | 57.0% |
Water insoluble ≤ | 0.05% |
Fluoride (as F) ≤ | 0.003% |
Heavy metal (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 |
- White granular or powder with density of 0.35-0.90 g/cm³ and melting point of 622°C
- Easily soluble in water with alkaline aqueous solution (pH 9.7 for 1% solution)
- Gradually hydrolyzes into phosphite in water with excellent metal ion complexation ability
- Forms soluble complexes with calcium, magnesium, iron and other metal ions
- Acts as an inorganic surfactant with properties similar to organic surfactants
- Cost savings: 1 ton of STPP equals 1.2 tons of common phosphate efficiency
- Improved efficiency: Reduces ceramic slurry flow time from 120s to 72s
- Risk control: Complete REACH pre-registration document support


- High purity (96%): Ensures optimal industrial application performance
- Stable supply: Capable of fulfilling large volume orders consistently
- Technical support: Professional guidance for application solutions
- Outstanding chelation: 1g STPP chelates ≥200mg calcium ions (35% more efficient than traditional phosphates)
- Multi-form adaptation: Available as powder (0.1-0.5mm) or granules (0.5-1.2mm) with customizable sizes
- Composite functionality: Combines dispersion, emulsification and pH buffering with surfactant synergy

- Avoid inhaling dust - use protective masks and gloves during handling
- Keep away from strong acids to prevent violent reactions
- In case of contact with eyes/skin, rinse immediately with water and seek medical attention
- Store in cool, dry place in sealed containers to prevent moisture and caking
- Shelf life: 24 months
We accept T/T and L/C at sight as payment terms.
Yes, we specialize in this product line with many satisfied customers who appreciate our reliable delivery and consistent quality.
Yes, we provide free samples - customers only need to cover the express fee.
We prioritize customer benefits and offer competitive, negotiable pricing based on order conditions.
Yes, we welcome visits to our facility in Weifang, China (including airport pickup/dropoff service).
Our professional after-sales team promptly addresses all quality concerns.