D&CORANGENO.16
- CAS NO.：31544-98-6
- Empirical Formula: C20H8Br2I2O5
- Molecular Weight: 741.89
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-07-12 17:20:24
What is D&CORANGENO.16?
Preparation
preparation??and?C.I. .Solvent Red 42?and similar (2,4-Dichlororesorcinol?(2 Moore) and?Phthalic anhydride?(1 Moore) with Sodium hydroxide extraction condensation, segregation out 2 ‘, 4 ‘, 5 ‘, 7 ‘- tetrachloro-fluorescein, then use hydrochloric acid acidification.
Properties and Applications
brilliant orange. Insoluble in water, slightly soluble in alcohol, soluble in 5% sodium carbonate solution. In concentrated sulfuric acid to yellow, dilution have orange precipitation; In 10% sodium hydroxide solution for pink.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Insoluble | Dissolve | ||||
Properties of D&CORANGENO.16
| Boiling point: | 628.1±55.0 °C(Predicted) |
| Density | 2.73±0.1 g/cm3(Predicted) |
| pka | 7.09±0.20(Predicted) |
Safety information for D&CORANGENO.16
Computed Descriptors for D&CORANGENO.16
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