Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
CAS: 2564-83-2
Molecular Formula: C9H18NO
Molecular Weight: 156.25
Alias: TEMPO
Category: Free radical catalyst, oxidation inhibitor, polymerization inhibitor
Physical and Chemical Properties
Appearance: Orange red crystalline solid
Density: 0.99 g/cm3
Melting Point: 36-40℃
Boiling Point: 63-65℃ at 10 mmHg
Solubility: Soluble in water, ethanol, ether and most organic solvents
Stability: Stable free radical, resistant to light and air
Storage: Sealed and stored in dry cool dark place
Specification Sheet
| Item | Standard | Unit | Test Method |
| Appearance | Orange red crystal | - | Visual Inspection |
| CAS Identification | Conforms | - | Spectral Analysis |
| Purity | ≥98.0 | % | HPLC |
| Moisture | ≤0.2 | % | KF Titration |
| Residue on Ignition | ≤0.1 | % | Gravimetric Method |
Main Application
Common oxidation catalyst for selective alcohol oxidation reaction. Used as polymerization retarder, anti-aging agent and resin stabilizer. Widely applied in fine chemical synthesis, pharmaceutical intermediate preparation and polymer material industry.
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