Molecular formula: K2HPO4, K2HPO4.3H2O
Molecular weight: 174.18 , 228.22
Standard executed :HG/T4510-2013(Tech grade）, GB25561-2010 (Food grade）
Properties: white crystal or formless powder. It is soluble in water easily, slightly soluble in alcohol.Strong absorption of moisture.When anhydrous product heated to 204°C.It will be dehydrated into tetra potassium pyrophosphate. The PH of 1% aqueous solution is about 9.
| 指标名称Specifications | 工业级Industrial Grade | 食品级Food Grade | ||
| DKP.3H2O | Anhydrous | DKP.3H2O | Anhydrous | |
| 磷酸氢二钾 % ≥ K2HPO4 | 98.0 | 98.0 | 98.0 | 98.0 |
| 五氧化二磷 % ≥ P2O5 | 30.5 | 40.0 | 30.5 | 40.0 |
| 氧化钾 % ≥ K2O | 40.5 | 53.0 | 40.5 | 53.0 |
| 水不溶物 %≤ Water Insoluble | 0.02 | 0.02 | 0.2 | 0.2 |
| 氯化物 %≤Chlorides, as Cl | 0.05 | 0.05 | — | — |
| 氟化物(以F计) Fluoride, as F w/%≤ | — | — | 0.001 | 0.001 |
| 铁（Fe）w/%≤ | 0.003 | 0.003 | — | — |
| 砷（As）w/%≤ | 0.01 | 0.01 | 0.0003 | 0.0003 |
| 重金属（以Pb计）w/%≤ | 0.005 | 0.005 | 0.001 | 0.001 |
| 铅（Pb）w/%≤ | — | — | 0.0002 | 0.0002 |
| PH值(1%水溶液) | 9.0-9.4 | 9.0-9.4 | 8.6-9.4 | 8.6-9.4 |
| 干燥减量Loss on drying w/%≤ | 22-26 | 2.0 | 22.0~26.0 | 2.0 |
Uses: Fertilizer
Used as a high efficient, K and P compound water soluble fertilizer, also as a basic raw material for NPK fertilizers. The raw material for producing potassium pyrophosphate.
Used for boiler water treatment. Used as a buffering agent in chemical analysis, for phosphating of metals, and as an additive in electroplating. Antifreeze, corrosion inhibitor, and phosphate potassium regulator for fermentation industry.
Used in the pharmaceutical industry as a culture agent for penicillin and streptomycin, as a nutrient for microorganisms, fungi, and antibiotic culture media. It can also be used as a de iron agent and pH regulator for talc powder.
The food industry uses alkaline water as a raw material, fermentation agent, seasoning agent, leavening agent, mild alkaline agent for dairy products, yeast feed, and sometimes it is added to milk tea powder. It can also be used as a feed additive.
Packing：Plastic woven bag. Net weight 25 Kg、 50Kg 、1000Kg , store at a cool, dry and well ventilated place.
English 
Chinese