Reactive Yellow (p)HR
Textile Dyestuffs
C.I.Reactive Orange 12
Molecular Structure: Single azo class
Molecular Formula:C21H14ClN8Na3O10S3
Molecular Weight: 739.00
CAS Registry Number:35642-64-9
Manufacturing Methods : 7-Aminonaphthalene-1,3,5-trisulfonic acid diazo, and N-(3-aminophenyl)acetamide coupling, and 2,4,6-Trichloro-1,3,5-triazinecondensation, and then four and salting-out.
Properties and Applications: yellow orange. Yellow brown powder. The strong sulfuric acid for brown, diluted into a golden brown; Nitric acid in the red for sauce, diluted into yellow. Add in 1 Moore sodium hydroxide solution, continue to join insurance powder warm, to colorless, add a boric acid sodium is also can’t restore primary colors. 20 ℃ in the solubility of 100 g/L, 50 ℃ when the solubility of 200 g/L. After dyeing color for golden brown. Dye bath of iron ion in, colored light basic unchanged (level 5); Copper ions in that tiny have colored light changes (4 ~ 5 grade). Reactive dyes low, medium tropism, lifting force. Neutral white is 3 classes, alkaline white into four grades. Can be used for cotton, hemp, silk, viscose, nylon fabric dyeing and printing, etc. Roll dye, dyeing, knot dyeing are applicable, can also be used for the cotton or viscose fabric dyed and the direct, the discharge printing.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 6 | 5 | 5 | 5 | 5 | 5(5*100℃) | 5 |