Specifications:
Direct yellow 12 (chrysophenine GX):
1) CAS: 2870-32-8
2) Appearance: deep yellow powder
3) Light fastness: 4
4) Acid resistance: 3
5) Alkali resistance: 4-5
6) Water fastness: 1
7) Wash fastness: 1
8) Use: for paper; cotton; wool; silk; leather
Direct yellow 44:
1) CAS: 8005-52-5
2) Appearance: yellow brown powder
3) Light fastness: 5
4) Acid resistance: 3-4
5) Alkali resistance: 4
6) Water fastness: 3
7) Wash fastness: 3
8) Use: for cotton; silk; nylon; paper; leather or ink
Direct yellow 86:
1) CAS: 50925-42-3
2) Appearance: gray yellow powder
3) Characteristic: has a moderate level of wet fastness, but has the
highest light fastness
4) Light fastness: 6 - 7
5) Acid resistance: 4
6) Alkali resistance: 4 - 5
7) Water fastness: 3
8) Wash fastness: 3
9) Use: for paper; silk; cotton and co-spinning
Direct yellow 132:
1) CAS: 61968-26-1
2) Appearance: yellow powder
3) Light fastness: 4
4) Acid resistance: 3
5) Alkali resistance: 4
6) Water fastness: 3
7) Wash fastness: 3
8) Use: main for paper
Direct yellow 142:
1) CAS: 61968-26-1
2) Appearance: yellow powder
3) Light fastness: 4
4) Acid resistance: 3
5) Alkali resistance: 4
6) Water fastness: 3
7) Wash fastness: 4
8) Use: for paper; cotton
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