Fast Red B Salt Zinc sulfate synthesis
- Product Name:Fast Red B Salt Zinc sulfate
- CAS Number:120-17-2
- Molecular formula:C7H6ClN3O3
- Molecular Weight:215.59
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Yield:-
Reaction Conditions:
with hydrogenchloride;sodium nitrite in water at 0; for 1 h;
Steps:
1
(Preparation of Solution A); To 75 g of ultra pure water and 5.45 g (0.052 . mol) of 35% hydrochloric acid are added 3.45 g (0.021 mol) of 2-methoxy-4-nitroaniline, and the resultant mixture is cooled to O0C with stirring in an ice bath to which methanol has been added. Thereafter, 1.45 g (0.021 mol) of sodium nitrite is dissolved in 2 ml of water, and the solution is then added to the mixture. After stirring the mixture for 60 minutes, 0.2 g (0.0021 mol) of sulfamic acid is added to eliminate nitrous acid, thereby preparing a diazonium salt solution.
References:
WO2006/59741,2006,A1 Location in patent:Page/Page column 14
89-62-3
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97-52-9
243 suppliers
$10.00/5g
119-08-4
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120-17-2
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inquiry