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Reactive Blue 221

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For Research Use Only | Not For Clinical Use
CATAP93051413
CAS93051-41-3 / 89933-65-3
SynonymsSynazol Blue KR
ApplicationIt can be used in medium temperature dyeing procedures for cellulosics.
Dyeing Strength100%

What is the CAS number of reactive blue 221?

CAS 93051-41-3.

What is the difference between reactive dye and direct dye?

Reactive Dyes are most common for cotton dyeing in the industry for their ease of application, covalent bonding, satisfactory fastness, brilliance in colors, range in colors, and economical. Direct dyes are easy to apply but have poor wash fastness due to a weaker bond.

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