Name:C.I.Basic Blue 18,C.I.42705
Molecular Structure: triarylmethane class
Molecular Weight: 648.23
CAS Registry Number:5905-33-9
Manufacturing Methods : N,N-bis(2-hydroxyethyl)-3-methylbenzenamine (2 Moore) and p-Chlorobenzaldehyde in very thin sulfuric acid in 100 ℃ condensation, deposited with ammonia free alkali, garnish with rare hydrochloric acid dissolution precipitation, with heavy chromate salt-oxalic acid oxidation, again with 4-Ethoxybenzenamine condensation.
Properties and Applications: bright blue.
|Standard( Cotton )||Light Fastness||Persperation Fastness||Ironing Fastness||Soaping|
List of Suppliers:
Astracyanine B( IG Farbenindustrie AG )