Riel Chemical Co., Ltd.
| Payment Terms | L/C, T/T |
| Supply Ability | 50 tons per day |
| Delivery Time | 5 work day |
| Packaging Details | 25 kg polyethylene woven bag, moisture-proof, easy to transport |
| CAS | 7778-77-0 |
| EINECS | 7778-77-0 |
| Appearance | White crystal particle |
| Crystalline hydrate | Anhydrous crystals |
| Fusing point | 252.6 ℃ |
| Density | 2.338 g/cm³ |
| Solubility | Dissolve in water |
| Brand Name | Riel Chemical |
| Model Number | 98% |
| Certification | SGS,ISO9001,CE |
| Place of Origin | Weifang |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 50 tons per day |
| Delivery Time | 5 work day | Packaging Details | 25 kg polyethylene woven bag, moisture-proof, easy to transport |
| CAS | 7778-77-0 | EINECS | 7778-77-0 |
| Appearance | White crystal particle | Crystalline hydrate | Anhydrous crystals |
| Fusing point | 252.6 ℃ | Density | 2.338 g/cm³ |
| Solubility | Dissolve in water | Brand Name | Riel Chemical |
| Model Number | 98% | Certification | SGS,ISO9001,CE |
| Place of Origin | Weifang | ||
| High Light | chemical potassium dihydrogen phosphate ，chemical potassium dihydrogen phthalate ，industrial potassium dihydrogen phosphate | ||
Industrial Grade 98% Potassium Dihydrogen Phosphate chemical materials
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 is strongly basic and can react with acid to form phosphate. | |
Potassium dihydrogen phosphate for use
1. Agriculture
Efficient fertilizer:
Potassium dihydrogen phosphate is a kind of high concentration phosphorus potassium compound fertilizer,
which can provide phosphorus (P) and potassium (K) two key nutrients for plants.
Suitable for foliar spraying, drip irrigation or soil application to promote crop growth, flowering and fruit.
Often used in fruit trees, vegetables, flowers and other high value-added crops.
Advantages: good water solubility, high absorption efficiency, no residue to the soil.
2. Medicine and cosmetics
Buffer: In pharmaceuticals and cosmetics, potassium dihydrogen phosphate is used as a buffer to regulate pH.
Nutritional supplements: For the preparation of drugs containing phosphorus and potassium,
such as electrolyte supplements.
Stabilizers: In cosmetics, help stabilize the formula and prevent ingredients from breaking down.
3. Industrial use
Water treatment:
Corrosion inhibitor: Used for boiler water and cooling water treatment to prevent corrosion of metal equipment.
Water softener: combined with calcium and magnesium ions to prevent scale formation.
Flame retardants: Used for flame retardant treatment of wood, textiles and plastics.
Electroplating additives: Used in the electroplating industry to regulate the pH value and
conductivity of electroplating solutions.
4. Research and laboratories
Buffer solution: Potassium dihydrogen phosphate is a common reagent for preparing buffer solutions and
is widely used in biochemistry and molecular biology experiments.
Analytical reagent: Used in chemical analysis as a standard substance or reagent.
Medium component: In microbial culture, as a source of phosphorus and potassium.
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.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2005
Total Annual:
4500000-5000000
Employee Number:
>121
Ecer Certification：
Verified Supplier
Riel Chemicals – Leading Enterprise in Basic Chemical Manufacturing Who we are ? Established in 2005 and headquartered in Weifang City, Shandong Province—a hub of China’s chemical industry—Riel Chemicals is a national high-tech enterpri... Riel Chemicals – Leading Enterprise in Basic Chemical Manufacturing Who we are ? Established in 2005 and headquartered in Weifang City, Shandong Province—a hub of China’s chemical industry—Riel Chemicals is a national high-tech enterpri...
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