Ammonium chloride 99.5% Industrial Grade Colorless crystals or white crystalline masses or powders

Ammonium chloride, abbreviated as ammonium chloride, is an inorganic substance with the chemical formula NH4Cl, which refers to the ammonium salt of hydrochloric acid and is mostly a by-product of the alkali industry. Nitrogen content 24% ~ 26%, white or yellowish square or octahedral small crystals, powder and granular two forms, granular ammonium chloride is not easy to absorb moisture, easy to store, and powder ammonium chloride more used as the basic fertilizer production compound fertilizer. It is a physiological acid fertilizer. It should not be applied on acid soil and saline-alkali soil because of its high chlorine content. It should not be used as seed fertilizer, rice fertilizer or leaf fertilizer. The fertilizer efficiency of ammonium chloride in paddy field is high and stable, because chlorine not only inhibits nitrification in paddy field, but also facilitates the formation of rice stalk fiber, increases toughness, and reduces lodging and infestation of rice.

Colorless crystal or white granular powder, is a strong electrolyte, soluble in water and electricity to dissociate ammonium ions and chloride ions, ammonia gas and hydrogen chloride combined to produce ammonium chloride white smoke. No smell. The taste is salty, cold and slightly bitter. Hygroscopic small, but in wet rainy weather can also absorb moisture caking. Powdery ammonium chloride is very easy to deliquesce, especially qualified products. The hygroscopic point is generally about 76%. When the relative humidity in the air is greater than the hygroscopic point, ammonium chloride produces hygroscopic phenomenon and is easy to caking. Able to sublimate (actually the process of decomposition and reformation of ammonium chloride) without melting point. Relative density 1.5274. Refractive index is 1.642. Low toxicity, median lethal dose (rats, oral) 1650mg/kg. It's irritating. Heated to 350℃ sublimation, boiling point 520℃.

Soluble in water, slightly soluble in ethanol, soluble in liquid ammonia, insoluble in acetone and ether. Hydrochloric acid and sodium chloride can reduce its solubility in water. The solubility in water is 29.4g at 0℃, 33.2g at 10℃, 37.2g at 20℃, 41.4g at 30℃, 45.8g at 40℃, 50.4g at 50℃, 55.3g at 60℃, 60.2g at 70℃ and 65.6g at 80℃. 71.2g at 90℃ and 77.3g at 100℃). When it is heated to 100℃, it begins to decompose. When it is heated to 337.8℃, it can be completely decomposed into ammonia and hydrogen chloride gas. When it is cold, it recombines to form ammonium chloride with very small particles and presents white smoke, which is not easy to sink and is not easy to dissolve in water.

pH of aqueous solution: Because the hydrolysis of ammonium ions ionized in water makes the solution acidic, the pH value of saturated ammonium chloride solution is generally about 5.6 at room temperature. At 25℃, 1% is 5.5, 3% is 5.1 and 10% is 5.0. Ammonium chloride itself can be used as a stable reagent for bismuth and antimony (by providing chloride ions for coordination, the compound is co-dissolved with ammonium chloride in dilute hydrochloric acid when used).

product use:

1. It can be used as raw material to manufacture dry batteries and accumulators, other ammonium salts, electroplating additives and metal welding flux;

2. Used as dyeing aid, also used for tinning and galvanizing, tanning leather, medicine, candle making, adhesive, chromizing, precision casting;

3. Used in medicine, dry battery, fabric printing and dyeing, detergent;

Ammonium chloride can relieve phlegm and cough

① Ammonium chloride enters the body, and some ammonium ions are metabolized rapidly by the liver to form urea, which is discharged by the urine. Chloride ions combine with hydrogen to form hydrochloric acid, thus correcting alkalosis.

② Due to the chemical stimulation of mucous membrane, the amount of sputum is increased reflexive, so that sputum is easy to be discharged, so it is conducive to the removal of a small amount of sticky sputum that is not easy to cough up. When absorbed, chloride ions enter the blood and extracellular fluid to acidify urine.

4. Used as crop fertilizer, suitable for rice, wheat, cotton, hemp, vegetables and other crops;

5. Used as an analytical reagent, such as preparation of ammonia-ammonium chloride buffer solution. Used as a support electrolyte in electrochemical analysis. Arc stabilizer for emission spectrum analysis, interference inhibitor for atomic absorption spectrum analysis, test of composite fiber viscosity;

6. Medicinal ammonium chloride used as expectorant and diuretic, expectorant;

7. Yeast feed (mainly used in beer brewing); Dough conditioner. Generally used after mixing with sodium bicarbonate, the dosage is about 25% of sodium bicarbonate, or the amount of wheat flour 10-20g //kg. Mainly used in bread, biscuits and so on. Processing aid (GB 2760-96)