C.I.Direct Red 224,CAS 12222-48-9,1174.99,C41H34N10Na4O18S4,Direct Scarlet D-F2G,Direct Red F2G,Direct Blending Scarlet D-F2G,Direct Fast Scarlet F2G,Direct Fast Red F2G

Molecular Formula:C41H34N10Na4O18S4

Molecular Weight: 1174.99

CAS Registry Number:12222-48-9

Manufacturing Methods : 7-Amino-4-hydroxynaphthalene-2-sulfonic acid and 2,4,6-Trichloro-1,3,5-triazine condensation, again with diazo have 2-Amino-5-methoxybenzenesulfonic acid coupling, and then 2-(2-Hydroxyethylamino)ethanol processing.

Properties and Applications: colourful red yellow light. Used for cellulose fiber and polyester/cotton, polyester/stick blended a bath dyeing of, also can be used for paper color.