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6527-54-4

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6527-54-4 Usage

Preparation

4-Amino-2,5-dichlorobenzenesulfonic acid diazotization, and 2-Hydroxybenzoic acid coupling.

Properties and Applications

dark yellow to dark red light yellow. Soluble in water for yellow, moderate soluble in ethanol for green yellow. In concentrated sulfuric acid for orange to red, dilution after light green light yellow, In concentrated nitric acid for titian. Dye aqueous solution to join concentrated hydrochloric acid for green yellow; Join concentrated Sodium hydroxide solution for orange. Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water Alkali Acid ISO 3 4-5 4 4-5 5

Standard

Ironing Fastness

Alkali

Acid

ISO

3

Check Digit Verification of cas no

The CAS Registry Mumber 6527-54-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,2 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6527-54:
(6*6)+(5*5)+(4*2)+(3*7)+(2*5)+(1*4)=104
104 % 10 = 4
So 6527-54-4 is a valid CAS Registry Number.
InChI:InChI=1/C13H8Cl2N2O6S.2Na/c14-8-5-12(24(21,22)23)9(15)4-10(8)17-16-6-1-2-11(18)7(3-6)13(19)20;;/h1-5,17H,(H,19,20)(H,21,22,23);;/q;2*+1/p-2/b16-6+;;

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6527-54-4Downstream Products

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