Colorless crystals, relative density 1.651 (21.2°C), melting point 73.6°C, boiling point 200°C(decomposition), Ortho Phosphorous Acid is easily melted in water and alcohol. It can slowly be oxydized into Ortho phosphoric acid in the air, and also, it can decompose into Ortho phosphoric acid and phosphine (extremely poisonous) when it is heated at 180°C. Moreover, it has strong ability of moisture absorption and deliquescence, and corrosiveness as well.

Output: 8000 ton per year

Quality index:

Usage: This product is mainly used as reducing agent, nylon whitening agent, phosphite, synthetic fibre andso on. And it is used as production herbicide in pesticide industry, also it is Used as producing high-efficiency water treating compound ATMP etc.

Packaging: 25 Kilograms, 500kilograms and 1000kilograms per bundle (inside PE, outside PP).

Transportation: It should be covered in the process of transportation, so that it can be away from rain and water. Also, it should't be mixed shipped with products like alkali kinds and oxidizing products.

Reservation: It should be stored in places of shadow, dry place, so that it can be away from rain, sun, water, and heat .It must not be kept with products like alkali kinds and oxidizing products.