Solvent Orange 56
- CAS NO.：12227-68-8
- Empirical Formula: C16H13N5O7S
- Molecular Weight: 0
- MDL number: MFCD28385568
- EINECS: 236-672-9
- SAFETY DATA SHEET (SDS)
What is Solvent Orange 56?
Preparation
C.I. Solvent Orange 5 (by 3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazotization, with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling and then in the 130 ℃ in Chromium formate in aqueous solution, heating 3 hours, make it into Chromium complex and) into metal complex.
Properties and Applications
orange. Soluble in ethanol, slightly soluble in Cellosolve. In concentrated sulfuric acid to dark yellow, diluted into orange; In 10% sodium hydroxide solution for orange.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Well | 180 | Well | |||
Safety information for Solvent Orange 56
Solvent Orange 56 manufacturer
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