Malachite Green

Alias: Light green base ; Alkaline light green

Color Index No. :

C.I. Basic Green 4

Structural Formula:

Physical-chemical properties:

Green crystal flash. Soluble in cold water and hot water was blue-green, blue soluble in alcohol. Case of concentrated sulfuric acid yellow, dark orange diluted, in which liquid sodium hydroxide solution was added a white precipitate Microstrip green.

In cotton dyeing fastness on:

Sun

Soaping

Flooding

Perspiration

Ironing

Friction

Acid

Fade

Staining

Fade

Staining

Fade

Staining

Dry

Wetlands

Sulfate

Acetate

Sodium carbonate

2

3

3~4

3~4

3

3~4

2~3

4~5

4

3~4

2

4~5

1

In the dyeing of acrylic fastness:

Sun

Perspiration

Soaping

Friction

Ironing

Dry Cleaning

Flooding

Dry

Wetlands

4~5

4

4~5

4

4

4

4

4~5

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