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12220-84-7

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12220-84-7 Usage

Preparation

2,4-Diaminobenzenesulfonic acid and 2,4,6-Trichloro-1,3,5-triazine condensation, and again 3-Aminobenzenesulfonic acid condensation, and then diazo, and 2,5-Bichloro-4-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling, and finally hydrolysis.

Properties and Applications

green light yellow. Yellow evenly powder, soluble in water, solubility than 50 g/L (50 ℃). Can be used for wool and polyamide fiber fabric dyeing. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 6 4 5 4-5 4 5 4-5 5

Standard

Light Fastness

Fading

Stain

ISO

6

Check Digit Verification of cas no

The CAS Registry Mumber 12220-84-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,2 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 12220-84:
(7*1)+(6*2)+(5*2)+(4*2)+(3*0)+(2*8)+(1*4)=57
57 % 10 = 7
So 12220-84-7 is a valid CAS Registry Number.

12220-84-7Upstream product

12220-84-7Downstream Products

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