Azoic Diazo Component 32
Name:C.I.Azoic Diazo Component 32,C.I.37090
Molecular Structure:
C.I.Azoic Diazo Component 32,C.I.37090,CAS 27580-35-4,178.06,C7H9Cl2N
Molecular Formula:C7H9Cl2N
Molecular Weight: 178.06
CAS Registry Number:27580-35-4
Manufacturing Methods :
(a) 1-Chloro-4-methylbenzene nitrification, then vacuum fractionation separation by the 4-Chloro-1-methyl-2-nitrobenzene reduction;
(b) 1-Methyl-2-nitrobenzene chlorinated, then vacuum fractionation separation by the 4-Chloro-1-methyl-2-nitrobenzene reduction (BIOS 986).
Properties and Applications: gray powder, storage time long dark. Free amine solution point for 20 to 22 ℃, the boiling point of 238.5 ℃. Soluble in ethanol, ethyl ether etc organic solvent, soluble in hot water and with the steam evaporation. Goods are made with hydrochloric acid salt, the appearance is colorless crystalline, soluble in water. 80 ℃ sublimation, 247 ~ 249 ℃ decomposition, melting point of 265 ~ 267 ℃. Mainly used for the cotton fabric dyeing and printing, also can be used in viscose, silk and polyamide fiber dyeing, and can be used in the manufacture of pigment fast. Dyeing cotton, and the color of phenol AS, AS-D coupled dyed pink, and the color of phenol AS-OL coupled with colourful red, and the color of phenol AS-SW, AS-TR coupled with boiled red alkali. This product matches ability medium, coupling speed medium, coupled pH5 ~ 6.5. The fastness properties in cotton:
| Coupling components | Fast light | Soda boiling | Oxygen bleaching | Ironing | Chlorine bleaching | ||
| ISO | AATCC | ISO | |||||
| 1/3N | 2N | 2N | |||||
| 2 | 2 | 4-5 | 4 | 2-3 | 1 | 4 | 4-5 |
| 3 | 2 | 5 | 5-6 | 4 | 2-3 | 3-4 | 3 |
| 4 | 4 | 5 | 5-6 | 3-4 | 2 | 3-4 | 4-5 |
| 5 | 3 | 4 | 4-5 | 5 | 5 | 3-4 | 4-5 |
| 6 | 3-4 | 5-6 | 5 | 3-4 | 5 | ||
| 7 | 3-4 | 5-6 | 5-6 | 4-5 | 3-4 | 3-4 | 5 |
| 8 | 4 | 5-6 | 5-6 | 4-5 | 3-4 | 4 | 5 |
| 9 | 5-6 | 6-7 | 4-5 | 4-5 | 3-4 | 4 | |
| 10 | 2 | 5 | 3-4 | 4 | 1 | 2 | 4-5 |
| 11 | 4 | 6 | 5 | 3 | 2 | 4 | 4-5 |
| 12 | 7 | 4-5 | 2-3 | 2-3 | 5 | ||
| 13 | 4 | 6-7 | 6-7 | 4 | 3-4 | 4-5 | 4-5 |
| 14 | 4-5 | 6 | 5-6 | 3 | 4 | 4-5 | |
| 15 | 4 | 6 | 1-2 | 2-3 | 5 | ||
| 16 | 4 | 6 | 6 | 4 | 3-4 | 3-4 | 4 |
| 17 | 2 | 4 | 3 | 2 | 1-2 | 3 | 4 |
| 18 | 3 | 6 | 5 | 3-4 | 2-3 | 3-4 | 5 |
| 19 | 4-5 | 6-7 | 6 | 4 | 2-3 | 4 | 4-5 |
| 20 | 3 | 6 | 5-6 | 4 | 2-3 | 4 | 5 |
| 23 | 5 | 6 | 3 | 2 | 5 | 5 | |
| 24 | 3 | 5-6 | 3-4 | 2 | 3 | 4-5 | |
| 25 | 4 | 7 | 4 | 3 | 4-5 | ||
| 26 | 4-5 | 5-6 | 5 | 2 | 5 | 4-5 | |
| 28 | 4 | 5 | 5 | 2 | 4 | 4-5 | |
| 33 | 4-5 | 5-6 | 4-5 | 4 | 3-4 | 3 | |
| 41 | 5-6 | 4-5 | 2 | 4 | 4-5 | ||
List of Suppliers:
Amarthol Fast Red KB Base ( Amar Dye Chem Ltd )
Amarthol Fast Red KB Salt ( Amar Dye Chem Ltd )
Dycosbase Red KB Base ( Sinochem Shanghai I/E Corp/Schecho PuDong Corporation )
FastRed Base KB Liq 100% ( Rohner Ltd )
Fast Red KB Base ( Vipul Dye-Chem Ltd )
Fast Red KB Base ( Blackman Uhler Chemical Division )
Fast Red KB Base ( Sinochem Tianjin Imp Exp Corp )
Fast Red KB Base( Sinochem Hebei Imp & Exp Corp )
Fast Red KB Base( Chemische Fabriek Triade BV )
Fast Red KB Base( Aakash Chemicals & Dyestuffs Inc. )
Fast Red KB Base( Bhavi International Ltd )
Fast Red KB Salt ( Vipul Dye-Chem Ltd )
Red KB Base ( Brighten Colorchem BV )
Tulabase Fast Red KB( Atul Limited )
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