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Application: | Agriculture , Industrial | Relative Molecular Weight: | 101.1 |
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MF: | KNO3 | Storage: | Dry Place |
CAS No.: | 7757-79-1 | State: | Powder |
High Light: | potassium nitrate chemical,nitrate of potash fertilizer |
CAS No. 7757-79-1 / High purity Nitrate of potash / white powder KNO3
Application
Growers value fertilizing with KNO3 especially in conditions where a highly soluble, chloride-free nutrient source is needed. In such soils, all of the N is immediately available for plant uptake as nitrate, requiring no additional microbial action and soil transformation. Growers of high-value vegetable and orchard crops sometime prefer to use a nitrate-based source of nutrition in an effort to boost yield and quality. Potassium nitrate contains a relatively high proportion of K, with an N to K ratio of approximately one to three. Many crops have high K demands and can remove as much or more K than N at harvest. Applications of KNO3 to the soil are made before the growing season or as a supplement during the growing season. A diluted solution is sometimes sprayed on plant foliage to stimulate physiological processes or to overcome nutrient deficiencies. Foliar application of K during fruit development advantages some crops, since this growth stage often coincides with high K demands during the time of declining root activity and nutrient uptake. It’s also commonly used for greenhouse plant production and hydroponic culture. Potassium nitrate accounts for only a small portion of the global K fertilizer market. It’s primarily used where its unique composition and properties can provide specific benefits to growers. Further, it’s easy to handle and apply, and is compatible with many other fertilizers, including specialty fertilizers for many high-value specialty crops, as well as those used on grain and fiber crops.
Melting point | 334 °C(lit.) |
Boiling point | 100 °C750 mm Hg |
density | 1.00 g/mL at 20 °C |
Fp | 400°C |
storage temp. | Store at RT. |
solubility | H2O: 1 M at 20 °C, clear, colorless |
form | Solid |
color | white |
Specific Gravity | 2.109 |
PH | 5.0-7.5 (50g/l, H2O, 20℃) |
Water Solubility | 320 g/L (20 ºC) |
Sensitive | Hygroscopic |
Merck | 14,7648 |
Stability: | Stable. Strong oxidizer - contact with combustible material may cause fire. Incompatible with combustible materials, strong reducing agents. |
CAS DataBase Reference | 7757-79-1(CAS DataBase Reference) |
EPA Substance Registry System | Potassium nitrate (7757-79-1) |
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