Naphthol Dyes
Basic information of Naphthol AS-BO:
Product name: Naphthol AS-BO
CAS No.: 132-68-3
Molecular formula: C21H15NO2
Molecular weight: 313.35
Specification of Naphthol AS-BO
| Product Name | Naphthol AS-BO | |||||
| C.I. No. | Azoic Coupling Component 4 (37560) | |||||
| Appearance | Beige powder | |||||
| Shade(coupled with Scarlet R base on cotton) | Similar to Standard | |||||
| Strength (%)(coupled with Scarlet R base on cotton) | 100 | |||||
| Mesh | 60 | |||||
| Insolubles (%) | ≤ 1.5 | |||||
| Fastness (coupled with color base) | ||||||
| COLOR BASE | SUN LIGHT | RUBBING | OXYGEN BLEACHING | CHLORINE BLEACHING | ||
| LIGHT | DEEP | DRY | WET | |||
| Red B | 5~6 | 6 | 4~5 | 1~2 | 3 | 4~5 |
| Red RL | 5 | 5~6 | 5 | 2~3 | 1~2 | 3~4 |
| Red ITR | 4~5 | 5 | 5 | 2~3 | 3 | 4~5 |
| Red RC | 4~5 | 5 | 4~5 | 2~3 | 2 | 4~5 |
| Scarlet RC | 4 | 4 | 3 | 1 | 3 | 4 |
| Blue BB | 4 | 4~5 | 4~5 | 1~2 | 4 | 3~4 |
| Packing | ||||||
| 25 kg bag / iron drum | ||||||
| Application | ||||||
| 1. Mainly used for the dyeing on cotton yarn, cotton fabrics, vinylon, viscose fibre and silk; 2. Also can be used for the production of organic pigments. | ||||||
Applications of Naphthol AS-BO:
Naphthol AS-BO is an organic compound which is mainly used for the dyeing on cotton yarn and fabrcis, vinylon, viscose fibre and silk, it is also used for the production of organic pigments.
Packing of Naphthol AS-BO:
in 25 kg bag / iron drum
Storage of Naphthol AS-BO:
Keep under cool and dry place with good ventilation, away from direct sunlight.
What is Naphthol AS-BO?
Naphthol AS-BO, also known as Azoic Coupling Component 4, is soluble in sodium hydroxide solution and xylene, insoluble in water and soda ash solution.
Naphthol AS-BO is mainly used for the dyeing on cotton yarn, cotton fabrics, vinylon, viscose fibre and silk, it can also be used for the production of organic pigments.
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