FACTORY SALE DIRECT BLEND BLUE D-R
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Product Name |
Direct Blue D-R |
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C.I.No. |
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CAS No. |
72586-15-3 |
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EINECS |
- |
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Molecular formula: |
C54H38N10O25S7 |
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Molecular weight |
1451.39 |
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Synonyms |
Direct Blending Navy Blue D-R;Direct Navy Blue R.;DIRECT DYESTFFD-R;2,7-Naphthalenedisulfonicacid,5-amino-3-[2-[7-[2-[4-[2-[4-[2-[7-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazeChemicalbooknyl]-1-hydroxy-3-sulfo-2-naphthalenyl]diazenyl]-2-sulfophenyl]ethenyl]-3-sulfophenyl]diazenyl]-8-hydroxy-6-sulfo-2-naphthalenyl]diazenyl]-4-hydroxy- | ||
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Chemical Property |
Blue black even powder, soluble in water. | ||
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Application |
It is used in the one-step bath dyeing process of polyester / viscose and polyester / cotton blended fabrics. It can also be used in the dyeing and printing of cotton, viscose, wool and other fibers. It is also used in the direct blending black d-rsn.It has high directness to cellulose fiber and high dye uptake, that is, using a small amount of inorganic salt also has high dye uptake. The dye solution has good stability and does not agglomerate in 130 ℃ dyeing bath. The pH value of the dyeing bath can adapt to a wide range, and it also has a good dye uptake of cellulose fiber under acidic conditions. |
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Fastness |
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Depth % |
2.5 |
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Light |
3 |
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1/1 Dyeing depth |
40°C washing |
CH |
3-4 |
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CO |
4 |
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V |
3-4 |
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Perspiration |
CH |
3-4 |
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CO |
4 |
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V |
4 |
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Rubbing |
D |
4 |
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W |
2-3 |
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