ammonium dihydrogen phosphateCAS 7722-76-1monobasic

Use It is mainly used to prepare compound fertilizers, and can also be directly applied to farmland. Use as analytical reagents and buffers. Uses in the food industry as a leavening agent, dough conditioner, yeast foodstuff, brewing fermentation aid, buffer. Also used as an animal feed additive. Use is high-efficiency nitrogen and phosphorus compound fertilizer. It can be used as flame retardant for wood, paper and fabric, dispersant for fiber processing and dye industry, glaze for enamel, compounding agent for fire retardant coating, cockroach for matchstick and candle core, dry powder fire extinguishing agent. Also used in printing plate making and pharmaceutical manufacturing. Use It is used as fertilizer, fire retardant, and also in printing and plate making, medicine and other industries. Use Prepare buffers and media to make flame retardants, dry powder fire extinguishing agents for phosphates, phosphors, wood, paper, fabrics. The analytical standard is used for the determination of nitrogen by Kjeldahl method. After the first use of the seal, it is recommended to store with argon or nitrogen. Use It can be used as flame retardant for wood, paper and fabric, dispersant for fiber processing and dye industry, compounding agent for fire retardant coating, chemical powder for dry powder fire extinguishing agent, etc.

Solubility in water (g/100ml) The number of grams dissolved per 100 ml of water at different temperatures (°C): 22.7g/0°C; 39.5g/10°C; 37.4g/20°C; 46.4g/30°C; 56.7g/40 °C 82.5g/60°C; 118g/80°C; 173g/100°C Content Analysis Accurately weigh about 500mg of the sample, dissolve it in 50ml of water, and titrate to pH 8.0 with 0.1 mol/L sodium hydroxide. Each mL, 0.1 mol/L sodium hydroxide corresponds to 11.50 mg of ammonium diammonium phosphate [NH4H2 PO4]. Toxicity ADI 0 to 70 mg/kg (total phosphate in terms of phosphorus; FAO/WHO, 2001). GRAS (FDA, §184.1141a, 2000). Use limit GB 2760-96: meat products, 1g / kg; peeling of fruits and vegetables, GMP. Chemical properties Colorless transparent tetragonal crystals. Soluble in water, slightly soluble in alcohol, insoluble in acetone.