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Direct Yellow 1

Name:C.I.Direct Yellow 1,C.I.22250

Molecular Structure: Double azo class

C.I.Direct Yellow 1,C.I.22250,CAS 6472-91-9,526.41,C26H16N4Na2O6,Direct Yellow P

C.I.Direct Yellow 1,C.I.22250,CAS 6472-91-9,526.41,C26H16N4Na2O6,Direct Yellow P

Molecular Formula:C26H16N4Na2O6

Molecular Weight: 526.41

CAS Registry Number:6472-91-9

Manufacturing Methods : 3-Acetylamino-N,N-diethylaniline double nitriding, and 2-Hydroxybenzoic acid (2 Moore) coupled.

Properties and Applications: dark yellow. Soluble in water for lemon yellow, slightly soluble in alcohol. The strong sulfuric acid for quality of red, yellow for shallow diluted olives. The dye solution to join strong hydrochloric acid for yellow light olive; Add thick sodium hydroxide solution into orange (3-Acetylamino-N,N-diethylaniline type). Used for cellulose fiber, wool, silk dyeing, cellulose fiber fabric printing, discharge sex is good, levelness general.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2-3 2 4 1-2 2-3

List of Suppliers:

Direct Yellow P( Multicrom SA )


One Response to “Direct Yellow 1”

  1. Can you please mention the CAS numbers of intermediates in manufacturing method? Most intermediates are known by different names in different countries so it will be very helpful to have CAS numbers.

    Thanks. Great work.

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