dye|World dye variety

Name:C.I.Basic Blue 18,C.I.42705

Molecular Structure: triarylmethane class

C.I.Basic Blue 18,C.I.42705,CAS 5905-33-9,648.23,C37H46ClN3O5,Astracyanine B

Molecular Formula:C₃₇H₄₆ClN₃O₅

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.

List of Suppliers:

Astracyanine B( IG Farbenindustrie AG )