Riel Chemical Co., Ltd.
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CAS 7778-77-0 98% Potassium Dihydrogen Phosphate for Water Treatment Use
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. | |
| Hydrolysis reaction: Fully ionized in water to form phosphate ions and sodium ions | |
| Complexation: Form an insoluble precipitate with metal ions (e.g. Ca² +, Mg² +) for softening hard water. | |
| Thermal stability: It decomposes when heated to high temperatures, forming sodium phosphate and oxygen. | |
| Acid base: The aqueous solution | |
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.