Vat Blue RSN / Vat Blue 4


C.I.: Vat Blue 4

CAS: 81-77-6

Molecular Formula: C28H14N2O4

Molecular Weight: 442.42

Properties and Applications:  Blue black powder. Insoluble in water, acetic acid, Pyridine, toluene, Xylene, Acetone and ethanol, slightly soluble in hot Chloroform.

It is widely used in yarn leuco dyeing and direct printing on cotton. It can also be processed into organic pigments for producing ink and paint.

Color fastness:

Standard

Ironing Fastness

Chlorine bleach

Light Fastness

Mercerized

Oxygen bleach

Soaping

Fading

Stain

ISO

5

1

7-8

2

4-5

4-5

5

AATCC

5

2

7-8

2-3

4-5

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VAT blue BRNvat blue BRN