Vat Blue 29
Name:C.I.Vat Blue 29,C.I.74140
Molecular Structure: Phthalocyanine class
C.I.Vat Blue 29,C.I.74140,CAS 1328-50-3,Brilliant Blue 4G, Vat Indigo Blue 4B,Indanthren Brilliant Blue 4G
Molecular Formula:
Molecular Weight:
CAS Registry Number:1328-50-3
Manufacturing Methods : in 45 ~ 50 ℃ with contain 10 ~ 20% of Sulfur trioxide fuming sulfuric acid treatment Cobalt phthalocyanine until 25% be sulfonated (US 2613128).
Properties and Applications: brilliant blue. Dark blue powder. Alkaline reduction leuco for olive, acid reduction leuco for blue-ray olive. In concentrated sulfuric acid to yellow-green, dilute produce blue precipitation. Used for cotton of jig dyeing and yarn dyeing, colour and lustre is gorgeous. Can be directly printed, not suitable for discharge printing. Used to stick/cotton blended dyed, uniform color. Used for silk dyeing, all kinds of depth all can, and can also be used to paper coloring.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 5 | 1 | 7-8 | 4 | 4 | ||
List of Suppliers:
Arlovat Brilliant Blue 4G( Arlabs Ltd )
Icho Vat Indigo Blue 4B( Indian Chemical Industries )
Indanthren Brilliant Blue 4G ( Bayer Group )
Pigmanthrene Brilliant Blue 4G( Arlabs Ltd )