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12217-22-0

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12217-22-0 Usage

Preparation

1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and N-(4-aminophenyl)acetamide condensation, hydrolysis, and then with chloroacetyl chloride condensation.

Properties and Applications

dark blue powder. Soluble in water, slightly soluble in acetone. The strong sulfuric acid for blackish green color, dilute blue precipitation, after ‘on strong hydrochloric acid in no change, diluted precipitation is light blue; In nitric acid for yellow brown, diluted into golden solution; In the thick of sodium hydroxide solution without change, diluted into sky blue solution, accompanied by precipitation. The water solution is blue. Used for wool, silk, polyamide fiber and blended fabric dyeing and printing, also can be used for leather dyeing. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 6 3-4 3-4 3-4 4 3 4-5 4-5

Standard

Light Fastness

Fading

Stain

ISO

6

Check Digit Verification of cas no

The CAS Registry Mumber 12217-22-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,1 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 12217-22:
(7*1)+(6*2)+(5*2)+(4*1)+(3*7)+(2*2)+(1*2)=60
60 % 10 = 0
So 12217-22-0 is a valid CAS Registry Number.

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