dye|World dye variety

Name:C.I.Acid Red 42,C.I.17070

Molecular Structure: Single azo class

C.I.Acid Red 42,C.I.17070,CAS 6245-60-9,505.5,C22H16N3NaO6S2,Telon Red BN,Acid Red 4BL,Acid Red E4BL

Molecular Formula:C₂₂H₁₆N₃NaO₆S₂

Molecular Weight: 505.5

CAS Registry Number:6245-60-9

Manufacturing Methods : 2-(Phenylsulfonyl)benzenamine diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid  in acid conditions coupled.

Properties and Applications: blue-ray red. Soluble in water for red, soluble in ethanol purplish red color. The strong sulfuric acid for dark purple, to orange diluted. In water solution to join strong hydrochloric acid have red brown precipitation; Add sodium hydroxide have purplish red precipitate

List of Suppliers:

Acid Red 4BL,Acid Red E4BL

Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.

Acid Light Red 2B ( S A des Ets. Steiner )

Acidol Red 2BE (Classic Dyestuffs Inc)

Best Acid Light Red IB( Oriental Giant Dyes and Chemical Ind Corp )

Doroxan Brill. Red B97( D&G Dyes Inc. )

Eurocen Red B( European Colour (Pigments) Ltd )

Nylosan Red E-4BL( Clariant GmbH )

Rybanyl Rod NBL(SBU Pigments and Dyes)

Selmacid Red E-BN( Farbchemie Braun KG )

Solinol Red B ( Frado )

Supracen Red B ( Bayer Group )

Telon Red BN ( DyStar GmbH & Co Deutschland KG )

Triacid Light Red 2BL (Chemische Fabriek Triade BV)

Unitertracid Light Red 4B(Yorkshire Group pic)

Unitertracid Light Red B (Yorkshire Group pic)

Weak Acid Brilliant Red RS(Fenchem Enterprises Ltd)