• Riel Chemical Co., Ltd.
    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.
  • Riel Chemical Co., Ltd.
    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.
  • Riel Chemical Co., Ltd.
    Labrekeo
    La 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!
  • Riel Chemical Co., Ltd.
    محمد لاگولد
    شریک خوب، پیدا کردن چنین تامین کننده ای عالی است، برای شما آرزوی موفقیت دارم
  • Riel Chemical Co., Ltd.
    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
  • Riel Chemical Co., Ltd.
    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]
  • Riel Chemical Co., Ltd.
    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

White Sodium Tripolyphosphate STPP For Antiscale CAS 7758-29-4

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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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℃
Solubility H2O: May Be Clear To Slightly Hazy Density 2.52 G/cm³
Storage Temperature Store In A Tightly Sealed Container. Store In A Cool, Dry, Well-ventilated Area Away From Incompatible Substances. Avoid Moisture.
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20 GP no pallet 20-22 tons
20 GP with pallet 16 tons
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Product Description
White Sodium Tripolyphosphate STPP For Antiscale CAS 7758-29-4
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℃
Solubility H2O: may be clear to slightly hazy
Density 2.52 g/cm³
Storage temperature Store in a tightly sealed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Avoid moisture.
Technical Specifications
Molecular formula: Na5P3O10
Molecular weight: 367.86
Industrial grade: CAS 7758-29-4
Standard: GB/T 9983-2004
Quality Parameters 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
White Sodium Tripolyphosphate STPP For Antiscale CAS 7758-29-4 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 the air
  • Chelating Ability: Forms stable soluble complexes with metal ions (Ca, Mg, Fe)
White Sodium Tripolyphosphate STPP For Antiscale CAS 7758-29-4 1
Applications of Sodium Tripolyphosphate
Industrial Uses
  • Detergents and Cleaners: Key component in industrial detergents for machinery, equipment, and hard surface cleaning
  • Water Treatment: Scale inhibitor, corrosion inhibitor, and water softening agent
  • Textile Industry: Washing aid, bleaching stabilizer, and dyeing auxiliary
  • Paper Industry: Dispersant and retention agent for improved paper quality
  • Ceramic Industry: Grinding aid and dispersant for ceramic production
  • Metal Processing: Cleaning agent and rust inhibitor
  • Oil Industry: Drilling fluid additive and oil cleaning agent
  • Coatings and Paints: Dispersant and stabilizer
White Sodium Tripolyphosphate STPP For Antiscale CAS 7758-29-4 2 White Sodium Tripolyphosphate STPP For Antiscale CAS 7758-29-4 3
Frequently Asked Questions
What is your payment term?
We can accept T/T and L/C at sight as payment term.
Are you able to deliver on time?
Of course! We specialize in this line for many years, with many customers choosing us because we consistently deliver on time while maintaining top quality.
Do you provide free sample?
Yes, we can provide free samples. You only need to cover the express fee.
How about the price? Can you make it cheaper?
We always prioritize customer benefits. Price is negotiable under different conditions, and we assure you the most competitive pricing.
Can I visit your company and factory in China?
Sure. You are very welcome to visit our company in Weifang, China. (We will arrange airport pickup and drop-off at Weifang Airport)
What if there is a quality problem?
We have a professional and comprehensive after-sales service team to promptly address any issues.