DEVARDA'S ALLOY
Synonym(s):Aluminum alloy, Cu,Al,Zn;Devarda′s alloy;Devarda′s Metal;Zinc alloy, Cu,Al,Zn
- CAS NO.：8049-11-4
- Empirical Formula: AlCuZn
- Molecular Weight: 155.92
- MDL number: MFCD00198176
- EINECS: 684-242-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is DEVARDA'S ALLOY?
Chemical properties
grey solid
The Uses of DEVARDA'S ALLOY
Devarda's Alloy is used as reducing agent in analytical chemistry for the determination of nitrates after their reduction to ammonia under alkaline conditions. It is also used in the quantitative or qualitative analysis of nitrates in agriculture and soil science before the development of ion chromatography. It is an important raw material and intermediate used in organic synthesis, pharmaceuticals, and agrochemicals.
The Uses of DEVARDA'S ALLOY
Reducing agent for determination of nitrogen in nitrates and nitrites.
General Description
Devarda′s alloy is a reducing agent, and has found application in being used to reduce NO3--N, or NO2--N, into NH4+-N, thereby finding functionality in being used for total nitrogen determination.
Properties of DEVARDA'S ALLOY
| Melting point: | 550 °C(lit.) |
| Density | 4.355 |
| storage temp. | Store at +5°C to +30°C. |
| form | powder |
| color | Grey |
| Water Solubility | Insoluble in water. Slightly soluble in hydrochloric acid |
| Merck | 13,2958 |
| Boiling point: | 906°C (1013 hPa) |
| Exposure limits | ACGIH: TWA 1 mg/m3 NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3 |
| Stability: | Stable. |
| CAS DataBase Reference | 8049-11-4 |
Safety information for DEVARDA'S ALLOY
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Environment GHS09 |
| GHS Hazard Statements |
H228:Flammable solids H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273:Avoid release to the environment. |
Computed Descriptors for DEVARDA'S ALLOY
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product: 8049-11-4 Devardas Alloy Extrapure 99%
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