Product name: 1-(2-Pyridylazo)-2-naphthol
No.:A060
CAS No.: 85-85-8
M F: C15H11N3O
Purity: 90%min
Property: Orange yellow acicular crystal. Melting point137℃. Soluble in yellow organic solvents, insoluble in water.
Molecular weight: 249.27
Use: Metal indicator
Technical index |
Item | Result |
Contentspectrophotometry), ％ | ≥90 |
Sensitivity test to copper | Qualified |
Soluble test in ethyl alcohol% | Qualified |
Ignition residue% | ≤0.1 |
Melting point (℃) | 138-142 |