C.I.Vat Blue 1
C.I.73000 C.I.Vat Blue 1 C.I.73000 CAS 482-89-3 262.26 C16H10N2O2 Indigo Vat Indigo Vat Navy Blue BG Indigo Paste Molecular Formula:C16H10N2O2 Molecular Weight: 262.26 CAS Registry Number:482-89-3
Product Description
Molecular Formula
Properties and Applications:
Navy blue to red navy. Blue powder. Soluble in hot aniline, insoluble in ethanol. The concentrated sulfuric acid for the yellow green, diluted with blue precipitate; in concentrated nitric acid to form isatin, a red yellow. Alkaline reduction leuco pale yellow; acid is a colorless leuco restored. Mainly used for dyeing cotton yarn and cotton cloth. Can also be used for wool and silk carpets and handicrafts in the application. Pure product is used in food dyes, can also be processed into organic pigments. C.I. Pigment Blue 66 and the same chemical structure.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 2 | 3 | 4 | 2-3 | ||
| AATCC | 3 | 1-2 | 3 | 2-3 | |||
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