|
|
| |
| Naphthol
AS |
| Chemical
name |
|
| C.I. |
C.I. Azoic Coupling
Component 2(375505) |
|
| Structural
formula |
|
| Specification |
| Name |
Specification |
| Appearance |
White powder |
Naphthol AS content % |
98.0% min |
Colour and bright |
Similar to the standard |
Intersity, molecule |
Standard 100±5 |
Dissolve point of dry nuts |
246.5 
min |
Bon Acid content% |
0.4% max |
Unsoluble substance content
in basic liquor
|
0.2% max
|
|
|
| Uses |
| Mainly used in dyeing of cotton textiles,
printing and padding made organic dyestuff and fast-pigment. |
|
| Package |
| 25kg net in plastic woven bags with
plastic linings. |
|
|
|
|
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