Diammonium phosphate DAP
Diammonium hydrogen phosphate is an inorganic compound, colorless, transparent, monoclinic crystal or white powder. It is widely used in printing and plate making, medicine, fire protection, electronic tubes, etc. It is a highly efficient fertilizer widely used in vegetables, fruits, rice and wheat. , Used as feed additives, flame retardants and ingredients of fire extinguishing agents in industry.
【Basic information】
| Name | Diammonium Phosphate | Foreign name | Ammonium phosphate |
| Chinese alias | Diammonium phosphate; industrial diammonium phosphate; diammonium hydrogen phosphate (industrial grade); ammonium hydrogen phosphate; DAP | English alias | DAP; Diammonium Phosphate |
| Solubility | Easily soluble in water [58 g/ 100mL (10℃)], insoluble in alcohol, acetone, and ammonia. | Traits | Colorless transparent monoclinic crystal or white powder. In order to increase storage resistance, some products are added with wrapping agents during the production process to make the product appearance brown. |
| PH value | 7.8-8.2（50g/L,25℃） | Density | 1.619 |
| Molecular formula | (NH4)2HPO4 | Relative molecular mass | 132.056 |
CAS | 7783-28-0 | EINECS | 231-987-8 |
【Product Usage】
1. Industrial grade is used to impregnate wood and fabric to increase its durability;
2. Used as a food leavening agent, dough regulator, yeast food, and fermentation aid for brewing in the food industry;
3. Fertilizer grade is mainly used as a high-concentration nitrogen and phosphorus compound fertilizer. It is a highly efficient fertilizer widely applicable to vegetables, fruits, rice and wheat;
4. Used as a feed additive for ruminants;
5. Used as analytical reagent, buffer, water softener;
6. It can be used as dry powder fire extinguishing agent and phosphor for fluorescent lamp;
7. Used for printing plate making, manufacturing of electronic tubes, ceramics, enamel, etc., wastewater biochemical treatment;
8. Military industry is used as a flame retardant for rocket engine motor heat insulation materials.
【storage method】
1. Precautions for transportation: Prevent rain and hot sun during transportation;
2. Storage precautions: It should be stored in a cool, ventilated, dry, and clean warehouse, protected from moisture, high temperature, and pollution from toxic and hazardous substances. It should not be stored and transported with toxic and hazardous materials;
3. Precautions for packaging: woven bag lined with plastic film bag, sewing and sealing. Pay attention to moisture-proof, waterproof and break-proof bag.
【Terms】
After accidental contact with eyes, please rinse immediately with plenty of water and seek medical advice.
Wear appropriate protective clothing.
【Risk term】
Irritating to eyes, respiratory system and ~.
