Azo Dyes:
i.
Contains soluble azo group
ii.
Ready made dyes
iii.
Do not require diazotization and coupling
reactions
iv.
Do not produce bright shades
v.
Poor wash fastness property
vi.
Simple dyeing and printing process
vii.
Less costly
viii.
No ice is used
ix.
One bath process
Azoic Dyes:
i.
Contain insoluble azo group
ii.
Not ready made dyes
iii.
Requires diazotization and coupling reactions
iv.
Produce dark, bright shade
v.
Wash fastness is good
vi.
Complicated dyeing and printing process
vii.
Ice is used
viii.
More costly
Two bath process