Chinese Japanese Germany Korea

C.I. Direct Red 216

C.I. Direct Red 216 Structure
C.I. Direct Red 216 structure
CAS No.
8004-49-7
Chemical Name:
C.I. Direct Red 216
Synonyms
Direct Red 216;C.I. Direct Red 216;C.I.Direct Red 216:C.I.17815
CBNumber:
CB84754365
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
Request For Quotation

C.I. Direct Red 216 Chemical Properties,Uses,Production

Preparation

mixed N,N-dimethylaniline diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

colourful red yellow light. Soluble in water for orange red to red, soluble in ethanol is palm light orange. The strong sulfuric acid for product red to red light purple, diluted in red. The dye solution to join strong hydrochloric acid have red precipitate; With sodium hydroxide have orange brown precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 4 2 3-4 4

C.I. Direct Red 216 Preparation Products And Raw materials

Raw materials

N,N-Dimethylaniline 7-(4-aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid

Preparation Products

8004-49-7(C.I. Direct Red 216)Related Search:

Direct Red 224 tetrasodium [mu-[[7,7'-(carbonyldiimino)bis[4-hydroxy-3-[(2-hydroxy-5-sulphophenyl)azo]naphthalene-2-sulphonato]](8-)]]dicuprate(4-) 6-Amino-5-[[4'-[(2-amino-7-sulfo-1-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2-naphthalenesulfonic acid disodium salt DIRECT RED 227 DIRECT RED 24
5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt C.I.Direct Red 207 Direct Red 23 DIRECT RED 239

1of2

C.I. Direct Red 216 Direct Red 216 C.I.Direct Red 216:C.I.17815 8004-49-7