Dicyclohexyl amine nitrite
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Description
A white crystalline solid. Dicyclohexyl amine nitrite is used as a Vapor phase corrosion inhibitor for Silver, Steel, and Aluminum. It forms a thin protective layer on the surface of the metal which minimizes the transmission of moisture and Oxygen. Dicyclohexyl amine nitrite is marketed as VPI 260 by Shell. It is used in antitarnish wrapping papers.
Synonyms and Related Terms
VPI 260 [Shell]; dicyclohexyl ammonium nitrite; dicyclohexylamine nitrite
Risks
- Skin irritant.
- Strong oxidizer.
Physical and Chemical Properties
- Vapor pressure = 0.00013 at 21C
- pH of condensate = 10.0
| Composition | (C6H11)2NH-HNO2 |
|---|---|
| CAS | 3129-91-7 |
| Melting Point | 182-183 C |
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p.67
- L. Selwyn, 'Historical Silver: Storage, Display and Tarnish Removal', J.IIC-GC, 15, 1990