Diammonium hydrogen phosphite Chemical Properties

Melting point:

decomposes at 155 (anhydrous) [CRC10]

Density 

1.619 (anhydrous) [CRC10]

solubility 

soluble in H2O

form 

hygroscopic crystals

color 

Needles from water by slow evap

Water Solubility 

soluble H2O [MER06]

Dissociation constant

6.86-6.87 at 25℃

CAS DataBase Reference

51503-61-8

Safety Information

Toxicity

LCLo ihl-rat: 580 ppm/1H ZGSHAM 25,279,33

Diammonium hydrogen phosphite Usage And Synthesis

Chemical Properties

Colorless, crystalline mass. Hygroscopic. Soluble in water.

Uses

As reducing agent; corrosion inhibitor for lubricating grease.

Safety Profile

Poison by inhalation. Whenheated to decomposition it emits very toxic fumes ofNOx, NH3, and POx.

Diammonium hydrogen phosphite(51503-61-8)Related Product Information

• Ammonium phosphate dibasic
• Triethyl phosphite
• Hypophosphorous acid
• HYDROGEN SELENIDE
• Hydrogen Sulfide
• Hydrogen
• Ammonium hydroxide
• Ammonium sulfate
• Ammonium chloride
• Orthophosphorus acid
• Ammonium acetate
• 2'-Deoxyadenosine 5'-phosphate
• Cyclic AMP
• CYTIDINE 2'-MONOPHOSPHATE
• 3'-GMP DISODIUM SALT
• PHOSPHOENOLPYRUVIC ACID TRIS(CYCLOHEXYLAMMONIUM) SALT
• UDP SODIUM SALT
• HYDROGEN CYANIDE