Appearance:Purple brown (or blue black) powder. Insoluble in water, ethanol and acetone, soluble in benzene, slightly soluble in toluene, xylene, chloroform, nitrobenzene, o-chlorophenol, pyridine and tetrahydronaphthalene. It is blue in the alkaline solution of insurance powder and red purple in the acidic solution.
Synopsis: Reductive Violet 1 is isoviolet anthrone dichloride, and its trade name is reductive brilliant violet 2R and reductive Violet 1. The product is mainly used for dyeing cotton, hemp and viscose fibers and printing of fabrics. It can also be used for processing organic pigments and as plastic colorants. VAT Violet 1 is a very important product in vat dyes. Its dyed cotton has bright blue purple, high affinity, general levelness, good covering power to dead cotton, excellent fastness and light fastness up to grade 6. The fastness of other items is grade 4-5. It is often used in cotton dyeing and direct printing, and has good affinity and levelness for silk, which is favored by the market.
Structural formula:
Properties
Summary
Reductive Violet 1 is isoviolet anthrone dichloride, and its trade name is reductive brilliant violet 2R and reductive Violet 1. The product is mainly used for dyeing cotton, hemp and viscose fibers and printing of fabrics. It can also be used for processing organic pigments and as plastic colorants. VAT Violet 1 is a very important product in vat dyes. Its dyed cotton has bright blue purple, high affinity, general levelness, good covering power to dead cotton, excellent fastness and light fastness up to grade 6. The fastness of other items is grade 4-5. It is often used in cotton dyeing and direct printing, and has good affinity and levelness for silk, which is favored by the market.
CAS No.
1324-55-6
Formula
C34H14Cl2O2
Molecular Mass
525.38000
Exact Mass
524.03700
PSA
34.14000
Logp
9.46680
Attribute classification
Matter Classification
organic
Category
Chemical and Physical Properties
Density
1.588 g/cm3
Appearance
Purple brown (or blue black) powder. Insoluble in water, ethanol and acetone, soluble in benzene, slightly soluble in toluene, xylene, chloroform, nitrobenzene, o-chlorophenol, pyridine and tetrahydronaphthalene. It is blue in the alkaline solution of insurance powder and red purple in the acidic solution.