Diammonium hydrogen phosphite
- CAS NO.：51503-61-8
- Empirical Formula: H8NO4P
- Molecular Weight: 117.04
- MDL number: MFCD00049393
- EINECS: 610-672-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:48:16
What is Diammonium hydrogen phosphite?
Chemical properties
Colorless, crystalline mass. Hygroscopic. Soluble in water.
The Uses of Diammonium hydrogen phosphite
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.
Properties of Diammonium hydrogen phosphite
| 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] |
| CAS DataBase Reference | 51503-61-8 |
Safety information for Diammonium hydrogen phosphite
Computed Descriptors for Diammonium hydrogen phosphite
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