D&CORANGENO.16
- CAS No.
- 31544-98-6
- Chemical Name:
- D&CORANGENO.16
- Synonyms
- C.I.45371;D&CORANGENO.16;Solvent Orange 18;D and C Orange No.16;C.I.Solvent Orange 18;C.I.Solvent Orange 18:C.I.45371;2-(4,5-Dibromo-2,7-diiodo-3-oxo-6-hydroxy-3H-xanthen-9-yl)benzoic acid;4',5'-dibromo-3',6'-dihydroxy-2',7'-diiodo-spiro[phthalan-1,9'-xanthen]-3-one;4',5'-Dibromo-3',6'-dihydroxy-2',7'-diiodospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one;Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-diiodo-
- CBNumber:
- CB31444547
- Molecular Formula:
- C20H8Br2I2O5
- Molecular Weight:
- 741.89
- MOL File:
- 31544-98-6.mol
- Modify Date:
- 2023/7/12 17:20:24
D&CORANGENO.16 Chemical Properties,Uses,Production
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 |
D&CORANGENO.16 Preparation Products And Raw materials
31544-98-6(D&CORANGENO.16)Related Search:
D&CORANGENO.16
4',5'-Dibromo-3',6'-dihydroxy-2',7'-diiodospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one
C.I.45371
C.I.Solvent Orange 18
D and C Orange No.16
2-(4,5-Dibromo-2,7-diiodo-3-oxo-6-hydroxy-3H-xanthen-9-yl)benzoic acid
4',5'-dibromo-3',6'-dihydroxy-2',7'-diiodo-spiro[phthalan-1,9'-xanthen]-3-one
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-diiodo-
C.I.Solvent Orange 18:C.I.45371
Solvent Orange 18
31544-98-6
C20H8Br2I2O5