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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 7778-77-0 ISO9001 Certification KH₂PO₄ Potassium Dihydrogen Phosphate
Place of Origin | Weifang |
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Brand Name | Riel Chemical |
Certification | SGS,ISO9001,CE |
Model Number | 98% |
Minimum Order Quantity | 1 ton |
Price | USD 657/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 | 7778-77-0 | EINECS | 7778-77-0 |
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Appearance | White Crystal Particle | Crystalline Hydrate | Anhydrous Crystals |
Life Spen | Two Years | Chemical Formula | KH₂PO₄ |
Solubility | Dissolve In Water | ||
Highlight | KH₂PO₄ Potassium Dihydrogen Phosphate,CAS 7778-77-0 Potassium Dihydrogen Phosphate,ISO9001 Potassium Dihydrogen Phosphate |
20 GP Container | Maximum load (tons) | |
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With tray | 22 | |
No tray | 25 |
CAS 7778-77-0 White Crystal Potassium Dihydrogen Phosphate for Flame Retardant
Key attributes
Products: Potassium dihydrogen phosphate/MKP
Molecular formula: KH2PO4; Molecular weight: 136.09
Industrial grade 98% CAS 7778-77-0
Fertilizer (Agricultural/Medicine) grade 98% CAS 7778-77-0
Products meets HG/T 4511-2013standard:
Analysis | Test Method | Standard request |
MKP (KH2PO4)content % | HG/T 4511-2013 | ≥98% |
Water insoluble % | HG/T 4511-2013 | ≤0.3% |
PH value (10g/mL) | HG/T 4511-2013 | 4.4~4.6 |
Chloride (as Cl) ppm | HG/T 4511-2013 | <0.79% |
Arsenic (as As) ppm | HG/T 4511-2013 | <0.005% |
Moisture | HG/T 4511-2013 | <0.48% |
Lead (as Pb) ppm | HG/T 4511-2013 | <4 |
Loss on drying % | HG/T 4511-2013 | <1 |
P2O5 (water-soluble) % | HG/T 4511-2013 | ≥52.1 |
K2O (water-soluble) % | HG/T 4511-2013 | ≥34.5 |
References: Riel Chemical Lab1&2, National public service platform for standards information.
Physicochemical property
Molecular weight: 163.94 g/mol | Appearance: white crystalline or powdery solid. |
Odor: Odorless or slightly sulphide odor. | Density: 1.62 g/cm³ (dodecahydrate, 20°C). |
Melting point: approx. 73.4°C (dodecahydrate decomposition). | Chemical Safety: Unrestricted goods |
Solubility: Water: easily soluble in water, aqueous solution is strongly alkaline (pH about 12); Organic solvent: insoluble in ethanol, and other organic solvents. |
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Hydrolysis reaction: Fully ionized in water to form phosphate ions and sodium ions |
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Complexation: Form an insoluble precipitate with metal ions (e.g. Ca² +, Mg² +) for softening hard water. |
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Thermal stability: It decomposes when heated to high temperatures, forming sodium phosphate and oxygen. |
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Acid base: The aqueous solution is strongly basic and can react with acid to form phosphate. |
Packaging and Storage
Packaging: Inner plastic and outer woven bags, each bag net weight 25kg or 50kg. Customized ton bags are also available.
Storage: Keep in a cool, dry and well-ventilated place, away from high temperature (> 30℃) and moisture. Shelf life: 36 months.
Buffer and culture agents: Used in microbial culture and fermentation industries (such as wine flavoring agents, yeast culture)
Water treatment: Adjust pH value, inhibit metal corrosion, and serve as a scale inhibitor.
Metal processing: Electroplating solution additive, enhancing coating uniformity 7.
Chemical raw materials: Manufacturing metaphosphates, potassium polyphosphate, etc.
The field of agriculture
High-efficiency compound fertilizer: The total nutrients (K₂O+P₂O₅) reach 86%, suitable for drip irrigation and foliar spraying, and can enhance the crops' resistance to lodging and diseases and pests 368.
Special fertilizers for economic crops such as tobacco and cotton, improving quality and yield by 48%.
Other applications
Food additives (food grade) : Leavening agents, pH regulators
Pharmaceutical and electronic industry: drug intermediates, laboratory buffers
Product Advantages of Riel Chemical
1. Technical advantages
Mature production technology: Riel Chemical has more than 20 years of experience in the field of nitric acid production,
its production of concentrated nitric acid and dilute nitric acid products of stable quality, better than national standards,
to meet the needs of rare earth, electronics, reagents and other high-end industries.
2. Product quality advantage
High standard quality control: Riel Chemical's product quality is strictly controlled, and its potassium nitrate,
magnesium nitrate and other products are not only better than the national excellent product standards,
but also obtained the EU REACH certification, which can meet the needs of high-end applications.
Environmental protection and sustainable development: The company focuses on green manufacturing,
practices environmental protection concepts through resource recycling and waste reduction,
and is committed to building "China green chemical brand".
3. Industrial chain advantage
Integrated industrial chain layout: Riel Chemical has formed a complete industrial chain from nitric acid
to potassium nitrate, magnesium nitrate, nitro water-soluble fertilizer and other products,
which not only improves production efficiency, but also enhances market competitiveness.
Strong industrial chain extension ability: the company is supported by nitric acid technology,
and continues to expand business upstream and downstream, for example, by raising investment projects
to further extend to the integration pattern of "nitric acid-high-purity nitrate-molten salt",
creating new growth points for future development.
4. Market and customer advantages
Extensive supply and marketing network: Rier Chemical has established long-term
and stable cooperative relations with upstream and downstream quality customers
and suppliers to ensure the stable supply of raw materials and product sales channels.
International market layout: The company's products not only occupy an important position in the domestic market,
but also exported to the Middle East, Western Europe, Southeast Asia,
the United States and other more than 20 countries and regions,
becoming a stable upstream supplier of multinational companies.
5. Environmental protection and energy saving advantages
Energy saving and environmental protection technology: Through the design of circulating water process route,
Riel Chemical reduces the energy consumption of water, electricity and steam,
and realizes an efficient and low-consumption production mode.
Green manufacturing concept: The company integrates environmental protection
and sustainable development into the strategic layout,
and meets the high requirements of society for environmental protection by improving the level of cleaner production.
FAQ
1.What is your payment term?
We can accept T/T and L/C at sight as payment term.
2.Are you able to deliver on time?
Of course! we specialised in this line for many years,
many customer make a deal with me because we can deliver the goods on time and keep the goods top quality!
3.Do you provide free sample?
Yes, we can provide free sample . You only need to take the express fee.
4.How about the price?Can you make it cheaper?
We always take the customer’s benefit as the top priority.
Price is negotiable under different conditions, we are assuring you to get the most competitive price.
5.Can I visit your company and factory in China?
Sure. You are very welcomed to visit our company in Weifang, China.
(We will have someone responsible for picking up and dropping off at Weifang Airport)
6.What if there is a quality problem?
We have a professional and perfect after-sales service team, timely for you to deal with all problems.