Alkaline dye

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Directly acid-resistant jujube red


C.I. No.: Direct Red 23, acid-resistant jujube red, direct acid-resistant red sauce
CAS No.: 3441-14-3
EINECS No.: 222-348-4
Molecular Formula: C35H27N7O10S2
Molecular Weight: 769.7598

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Direct Brown MS


C.I. No.: Direct Brown 2
CAS No.: 2429-82-5
EINECS No.: 219-391-6
Molecular Formula: C29H19N5Na2O7S
Molecular Weight: 627.54

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Direct deep brown M


C.I. No.: Direct Deep Brown MM, Direct Deep Brown MN
CAS Registry Number: 2429-82-5
EINECS Number: 219-391-6
Molecular Formula: C29H19N5Na2O7S
Molecular Weight: 627.54

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Direct big red 4BE


C.I. No.: 22120, Direct Red 28, Congo Red, Direct Bordeaux 4B, Direct Crimson
CAS No.: 573-58-0
EINECS No.: 209-358-4
Molecular Formula: C32H22N6Na2O6S2
Molecular Weight: 696.6632

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