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HomeProductsIndustries & ApplicationsTextileVat Black 25 CAS No.4395-53-3
Vat Black 25 CAS No.4395-53-3
  • Vat Black 25 CAS No.4395-53-3

Vat Black 25 CAS No.4395-53-3

Basic Info

Model No.: C.I.Vat Black 25

Product Description

Dynathrene Dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber.

Dynathrene C.I. Vat CAS NO. Characteristics
Olive T Black 25 4395-53-3 Brownish Grey

Product Name: Vat Black 25
Synonyms:Vat Black 25; 3-[(9,10-dioxo-9,10-dihydroanthracen-1-yl)amino]anthra[2,1,9-mna]naphtho[2,3-h]acridine-5,10,15(16H)-trione,Vat Olive GT,Vat Olive T
Molecular Formula:C45H22N2O5

Molecular Weight: 668.65
CAS NO.4395-53-3

EINECS 224-519-9

Molecular Structure :
Vat Black 25 CAS NO.4395-53-3

Properties and Applications: brown light grey. Brown powder. In concentrated sulfuric acid for green, dilution after black precipitation; In concentrated nitric acid for the red light brown. Alkaline reduction leuco for grey; Acid reduction leuco for dark olive. Mainly used in cotton fiber dyeing, generally not used for printing. Suitable for suspension pad dyeing, and other dye spell dyed all kinds of noise, leuco can dye cotton yarn, but also can be used for silk and wool dyeing, and have a good washing fastness and fastness to sunlight.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4 4 8 5 4 4-5 5
AATCC 5 4 7-8 5 4-5

--LYY



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