Sulfamic acid CAS 5329-14-6 is an inorganic solid acid formed when the hydroxyl group of sulfuric acid is replaced by an amino group. The following is a detailed introduction about it:
Basic information
Chemical formula: H₃NO₃S
English name: Sulfamic acid
Molecular weight: 97.09
CAS number: 5329-14-6
Physical and chemical properties
Appearance: White crystalline powder, odorless.
Melting point: 205℃ (decomposition)
Solubility: easily soluble in water, its aqueous solution is strongly acidic. Slightly soluble in ethanol and methanol, insoluble in ether. Ammonium bisulfate is gradually hydrolyzed in an aqueous solution.
Stability: stable at room temperature and pressure, but may decompose or hygroscopic in high temperature and humidity environments. Contact with strong oxidants, alkali and other substances may react.
Main use
Cleaning agent: Sulfamic acid CAS 5329-14-6 has good cleaning performance, can remove scale, rust and other stains, often used to clean boilers, heat exchangers, reactors and other equipment. For example, in industrial boilers, it can effectively remove the inner wall of calcium carbonate, calcium sulfate and other scale, improve heat transfer efficiency, reduce energy consumption.
Electroplating industry: In the plating process, Sulfamic acid CAS 5329-14-6 can be used as an additive to the plating solution, which can improve the performance of the plating solution, make the coating more uniform and dense, and improve the quality and corrosion resistance of the coating.
Pharmaceutical field: It is an important pharmaceutical intermediate, which can be used to synthesize a variety of drugs, such as sulfonamides.
Paper industry: Used for paper deinking agent, can effectively remove the ink on the surface of the paper, improve the whiteness and recycling rate of the paper. At the same time, it can also be used as a pH regulator in the papermaking process to control the pH of the paper and ensure the quality of the paper.
In agriculture: Sulfamic acid CAS 5329-14-6 can be used as a component of herbicides to protect crops by inhibiting the growth of weeds. In addition, it can also be used as a soil conditioner, regulating the pH of the soil, improving the soil structure, and conducive to the growth of crops.
Note
Sulfamic acid CAS 5329-14-6 is corrosive and irritating to the eyes, skin and respiratory tract. When using, wear protective glasses, gloves and other protective equipment to avoid contact with skin and eyes. In case of contact, rinse immediately with plenty of water and seek medical attention.
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What are the specific applications of Sulfamic acid CAS 5329-14-6 in agriculture?
Regulating soil PH: For soils that are too acidic, Sulfamic acid CAS 5329-14-6 can neutralize acidity by reacting with acidic substances in the soil, so that the pH of the soil can reach the range suitable for crop growth. For alkaline soil, the acid groups in Sulfamic acid CAS 5329-14-6 can provide hydrogen ions, reduce soil alkalinity, improve soil physical and chemical properties, and facilitate the absorption of nutrients by crop roots.
As a fertilizer synergist: Sulfamic acid CAS 5329-14-6 can interact with some fertilizer components to improve the utilization rate of fertilizer. For example, it can bind with ammonium ions in nitrogen fertilizer, reduce the volatilization loss of ammonium nitrogen, and extend the fertilizer effectiveness period of nitrogen fertilizer. At the same time, it can also promote the dissolution and transformation of phosphate fertilizer in the soil, so that it is easier to be absorbed and utilized by crops, thereby improving the overall effect of fertilizer and promoting crop growth.
Herbicide ingredients: Sulfamic acid CAS 5329-14-6 has certain herbicidal activity, it can inhibit the growth of weeds or even kill weeds by inhibiting some enzyme activities in the body or interfering with the metabolic process of weeds. The combination of Sulfamic acid CAS 5329-14-6 and other herbicidal ingredients can improve the herbicidal effect, expand the herbicidal spectrum, and is relatively friendly to the environment with low residue.
Plant growth regulator: at a certain concentration, Sulfamic acid CAS 5329-14-6 can regulate the growth and development of plants. It can promote the growth of plant roots, increase the vitality and absorption area of roots, so as to improve the absorption capacity of plants for water and nutrients. At the same time, it can also affect the photosynthesis and respiration of plants, promote the metabolism of plants, help plants thrive, and improve the yield and quality of crops.
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