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Vat Violet 2

Name:C.I.Vat Violet 2,C.I.73385

Molecular Structure: Thioindigo class

C.I.Vat Violet 2,C.I.73385,CAS 5462-29-3,393.31,C18H10Cl2O2S2

C.I.Vat Violet 2,C.I.73385,CAS 5462-29-3,393.31,C18H10Cl2O2S2

Molecular Formula:C18H10Cl2O2S2

Molecular Weight: 393.31

CAS Registry Number:5462-29-3

Manufacturing Methods :  2-(4-Chloro-2-methylphenylthio)acetic acid with Chlorosulfonic acid cyclization, oxidation. The intermediate is made by 3-Chlorotoluene Sulfuryl chloride route (BIOS 983, 34) or by 4-Chloro-2-methylbenzenamine use disulphide method (FIAT 1313,2,296) and have to.

Properties and Applications: brilliant red light purple. Purple powder. Insoluble in water, soluble in xylene as the blue light red, weak yellow fluorescence. In concentrated sulfuric acid for brilliant green, dilution after red precipitation. Alkaline reduction leuco for yellow; Acid reduction leuco colorless. Used for dyeing cotton fabric for brilliant red light purple. To cotton affinity is high, good levelness. Also can be used for cotton fabric of direct, resist and discharge printing, also can be used for silk and wool fabric dyeing and printing.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 5 5 5 4 4 4 5
AATCC 4 5 5 3-4 4

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3 Responses to “Vat Violet 2”

  1. […] insurance powder solution for yellow; In the acidic insurance powder solution colorless. With C.I.Vat Violet 2 same chemical […]

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  3. […] insurance powder solution for yellow; In the acidic insurance powder solution colorless. With C.I.Vat Violet 2 same chemical […]

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