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6449-85-0

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6449-85-0 Usage

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first and (in bicarbonate media) 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling, and then and 4-Aminobenzenesulfonic acid diazo, and 4-Methylbenzene-1,3-diamine coupled to a product matches.

Properties and Applications

red light brown. Soluble in water for red light brown. In the dark for the strong sulfuric acid, diluted to red orange brown. The dye solution to join strong hydrochloric acid have red light brown precipitation; Add thick sodium hydroxide solution for red light orange brown. Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain ISO 4 4 3 2-3 3

Standard

Acid Resistance

Fading

Stain

ISO

4

Check Digit Verification of cas no

The CAS Registry Mumber 6449-85-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,4 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6449-85:
(6*6)+(5*4)+(4*4)+(3*9)+(2*8)+(1*5)=120
120 % 10 = 0
So 6449-85-0 is a valid CAS Registry Number.

6449-85-0Upstream product

6449-85-0Downstream Products

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