calciumsaltpeter
Calcium nitrate anhydrous
CAS: 10124-37-5
Molecular Formula: CaN2O6
calciumsaltpeter - Names and Identifiers
calciumsaltpeter - Physico-chemical Properties
| Molecular Formula | CaN2O6 |
| Molar Mass | 164.09 |
| Density | 2.36 |
| Melting Point | 561°C |
| Boling Point | 130-140 °C |
| Water Solubility | Soluble |
| Appearance | Liquid |
| Physical and Chemical Properties | melting point 561°C |
| Use | It is a raw material for the manufacture of other nitrates, the electronics industry is used for coating cathodes, and it is used in agriculture as a quick-acting fertilizer for acidic soil and a rapid calcium supplement for plants. |
calciumsaltpeter - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R36/38 - Irritating to eyes and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36/37 - Wear suitable protective clothing and gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 1454 |
| WGK Germany | - |
| Hazard Class | 5.1 |
| Packing Group | III |
calciumsaltpeter - Upstream Downstream Industry
calciumsaltpeter - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| calcium nitrate tetrahydrate | is usually obtained by neutralization of limestone and nitric acid. it can also be a by-product of nitrate phosphate fertilizer production, containing 13% ~ 15% nitrogen. it is the variety with the lowest nitrogen content in solid nitrogen fertilizer. it is used for anhydrous cultivation, cultivation of pollution-free vegetables, fruits and flowers in agriculture, and quick-acting fertilizer in acidic soil in agriculture. It is a white columnar crystal at room temperature, belonging to the monoclinic system, with two crystal forms of α and β. It is an oxidant, hygroscopic, easy to deliquesce in the air, and easily soluble in water, methanol, ethanol, acetone, methyl acetate and liquid ammonia. Decompose at about 40°C, and completely dehydrate into anhydrous calcium nitrate when heated to 151°C. When heated to about 500°C, it decomposes to generate calcium nitrite and release oxygen. Continue heating to decompose into calcium oxide and nitrogen oxide gas. It is mainly used as cryogen and cement antifreeze, phosphating agent in iron and steel industry, manufacturing other nitrates, and is used as quick-acting fertilizer for soilless cultivation and acid soil in agriculture. Light industry is used to make pyrotechnics and incandescent lampshades. The defense industry is used to make explosives. The electronic instrument industry is used to coat the cathode. |
| solubility in water (g/100ml) | dissolution grams per 100ml of water at different temperatures (℃): 102g/0 ℃;115g/10 ℃;129g/20 ℃;152g/30 ℃;191g/40 ℃ 358g/80 ℃;363g/100 ℃ |
| A new type of chemical fertilizer in the field of apple planting | 1. Calcium nitrate is a new type of chemical fertilizer, which has been widely used in developed countries. It not only guarantees the highest nitrate nitrogen content, but also better solves the problem of poor calcium fluidity and insoluble in water. It is a new type of high-efficiency compound fertilizer containing nitrogen and quick-acting calcium, it can improve the soil to increase the aggregate structure so that the soil does not agglomerate, quickly supplement nitrogen and calcium for apples, improve the current situation of soil nitrogen and calcium deficiency, promote the normal growth and development of apples, reduce production costs, and promote the income of fruit growers. 2. A nitrate nitrogen fertilizer that is safer than ammonium nitrate. Due to the presence of calcium, its hygroscopicity is lower than that of ordinary ammonium nitrate, thereby improving caking and thermal stability. It is not easy to cause fire and explosion during storage and handling. 3. Calcium is one of the essential nutrients for apple growth and development. It plays an important role in the growth and development of apples and can effectively prevent the occurrence of apple bitter pox. According to the analysis of experts on apples, the demand for calcium in apples is second only to nitrogen and potassium, but higher than phosphorus. Calcium nitrate is a new type of high-efficiency chemical fertilizer containing nitrogen and fast-acting calcium. It contains a large amount of nitrate nitrogen and can be directly absorbed and utilized by plants. 4. The nitrogen loss of urea and ammonium bicarbonate during storage and use is 40-50%, and the environmental pollution caused by the loss of nitrogen in our country is also quite serious every year. Therefore, improving the utilization rate of chemical fertilizers and protecting the environment have become vital issues in my country's agricultural development. Calcium nitrate containing nitrate nitrogen can be directly absorbed by apples without soil transformation. The volatilization loss of nitrogen is small, and its fertilizer effect is fast as base fertilizer and topdressing. It can quickly supplement nitrogen to apples. It is a high-efficiency and environmentally friendly fertilizer. It has good promotion prospects and application value in apple production. |
| application methods and precautions | agricultural calcium nitrate is a typical fast-acting "foliar" fertilizer, which can act on acidic soil more smoothly, and the calcium in the fertilizer can neutralize the acidity in the soil. For the regeneration and fertilization of winter crops, post-(qualitative) additional fertilization of grains, excessive consumption of alfalfa growth and fertilization, sugar beet, feed beet, poppy, corn, green feed mixture and effective elimination of plant calcium nutrition Additional fertilization is especially convenient. Using the most advanced plant growth theory, it has the characteristics of rapid calcium and nitrogen supplementation. Its unique combination of nitrate nitrogen and 100% water-soluble calcium provides many properties and advantages that other fertilizers do not have. It is one of the most valuable fertilizers on the market today. Each calcium nitrate evenly contains 11.8% nitrogen (nitrate) and 23.7% water-soluble calcium (CaO), which is conducive to the absorption of nutrients by crops, enhances the stress resistance of fruits and vegetables, promotes early maturity, and improves fruit and vegetable quality. It is widely used in agriculture for basal application, topdressing, flushing and foliar spraying. It can also be used as a nutrient solution for soilless culture. It is rich in calcium ions, which not only does not deteriorate the physical properties of the soil, but also improves the physical properties of the soil. It is most suitable for sugar beet, potato, barley, hemp and other crops, and is widely used in various soils, especially on acidic soils lacking calcium, and its effect will be better. Application method: 1. It is more suitable for top dressing in dry fields. However, it should be noted that calcium nitrate fertilizer nutrients are easy to lose and can be applied in small amounts, and generally do not apply before rain. 2. When used as base fertilizer, it can be applied in conjunction with decomposed organic fertilizer, phosphate fertilizer (superphosphate), and potassium fertilizer, which can significantly improve fertilizer efficiency. However, it is not suitable to mix with superphosphate alone to prevent reducing the fertilizer efficiency of phosphate fertilizer. 3. Due to the low nitrogen content of calcium nitrate, the amount in use is more than that of other nitrogen fertilizers. Precautions: 1. Paddy fields are not suitable for application, because calcium nitrate belongs to nitrate nitrogen and is easy to be leached with water. 2. It cannot be mixed with fresh manure and compost, because the organic acid generated during fertilizer fermentation will decompose calcium nitrate into nitric acid, resulting in fertilizer nutrient loss. |
| protective measures | production personnel should wear protective masks, protective gloves and overalls when operating. To prevent inhalation of calcium nitrate dust, protect the respiratory organs. In case of fire, water, sand and various fire extinguishers can be put out, but the aqueous solution should be prevented from flowing to flammable goods. |
| storage and transportation | should be stored in a cool, dry warehouse. The packaging must be sealed and moisture-proof. It shall not be co-stored and mixed with organic matter, sulfur, etc. During transportation, it is necessary to prevent rain and sun exposure. Handle with care when loading and unloading. In case of fire, water, sand and various fire extinguishers can be put out, but the aqueous solution should be prevented from flowing to flammable goods. |
| Use | is a raw material for the manufacture of other nitrates. It is used in the electronics industry to coat cathodes, and is used in agriculture as a quick-acting fertilizer for acidic soils and rapid plant calcium supplements. Used as an analytical reagent and firework material It is a raw material for the manufacture of other nitrates. The electronics industry is used to coat cathodes, quick-acting fertilizers and plant rapid calcium supplements used in acidic soils in agriculture |
| category | oxidant |
| toxicity classification | highly toxic |
| acute toxicity | oral-rat LD50: 302 mg/kg |
| explosive hazard characteristics | blastable with organic matter, reducing agent, sulfur, phosphorus, etc. |
| flammability hazard characteristics | combustible in case of organic matter, reducing agent, charcoal, sulfur, phosphorus and other flammable materials; combustion produces toxic nitrogen oxide smoke |
| storage and transportation characteristics | warehouse ventilation; Light loading and unloading; Store separately from organic matter, reducing agent, charcoal, sulfur and phosphorus flammable materials and food raw materials |
| fire extinguishing agent | mist water, sand |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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