Specification :

CAS NO.: 93051-41-3
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C.I.Reactive blue221( normal)
Annual Output: 200MT
Strength: 133%
--C.I.REACTIVE BLUE 221 NORMAL type)
is cooper complex of Formazane Reactive dye with high stability and light fastness and resistance to chlorine and peroxide. It is the one of three primary colors of MCT-VS bi-functional dyes for pale to medium dyeing of cellulose fiber.
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C.I.Reactive blue221( SP)
Annual Output: 200MT
Strength: 100%
--C.I.REACTIVE BLUE 221 SP) is the modified product based on modified product based on its normal type. The substantivity of this dye is more close to C.I. Reactive Red 195 and C.I. Reactive Yellow 145, so it is suitable for exhaustion dyeing if mixed with C.I. Reactive Red 195 and C.I. Reactive Yellow 145. It exhibits good saline-alkali tolerance performance and can be used in cold pad-batch dyeing and continuous dyeing under appropriate conditions. .