DIRECT YELLOW 29
- CAS NO.：6537-66-2
- Empirical Formula: C42H24N6Na2O6S6
- Molecular Weight: 947.05
- MDL number: MFCD00005797
- EINECS: 229-448-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is DIRECT YELLOW 29?
What are the applications of Application
Direct yellow 29 is an azo organosulfur dye
Preparation
use sodium hypochlorite processing C.I. Direct Yellow 59 (C.I. 49000) solution.
Properties and Applications
red light yellow. Palm red powder. Soluble in water for golden brown, solubility of 30 g/L (60 ℃), 48 g/L (98 ℃), soluble in ethanol is shallow lemon yellow. The strong sulfuric acid for orange red brown, diluted into gold. The dye solution with strong hydrochloric acid into orange red brown; Add thick sodium hydroxide solution into a golden brown. In dyeing copper and iron ion colored light slight change. Good resistance to chlorine stability,On Rongalite and sodium sulfide reduction-resistant. Used for cotton and viscose fiber dyeing and can be directly printing and white, can and dispersal dyes with bath of high temperature on polyester/cotton blended fabric dyeing, used for leather and paper shading.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| AATCC | 5 | 4 | 4-5 | 4-5 | 3-4 | ||
Properties of DIRECT YELLOW 29
| EPA Substance Registry System | [2,6'-Bibenzothiazole]-7-sulfonic acid, 2',2'''-(azodi-4,1-phenylene)bis[6-methyl-, disodium salt (6537-66-2) |
Safety information for DIRECT YELLOW 29
Computed Descriptors for DIRECT YELLOW 29
New Products
Cyclopentane-1,2-dione 2,6-Dibromoaniline 5-Hydroxy-3,9-dimethyl-7H-benzo[c]fluoren-7-one Methyl 4-(acetyloxy)-6-methoxy-1-(4-methoxyphenyl)-2naphthalenecarboxylate 4-Hydroxy-6,7-dimethoxy-1-phenyl-2naphthalenecarboxylic acid (3,5-Dibromophenyl)[4-(trifluoromethyl)phenyl]methanone (4-butoxyphenyl)(4-fluorophenyl)methanone (4-Bromophenyl)(3,4-dimethoxyphenyl)methanone Cefuroxime EP Impurity-A N-Nitroso hydroxy Cetrizine EP Impurity-A Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity Lantanoprost rc B Clidinium Bromide Impurity Benzyl-N,4-dimethylpiperidine-3- amine dihydrochloride 3-(4-phenoxyphenyl)-1H- pyrazolo[3,4- d]pyrimidin-4- amine 4-Ethyl-4-hydroxy-1,4,7,8-tetrahydro-3H,10H-spiro[pyrano[3,4-f]indolizine-6,2'-[1,3]dioxolane]-3,10-dione (E)-N'-(2-cyano-4-nitrophenyl)- N,N-dimethylformimidamide N-(8-Amino-6-fluoro-5-methyl-1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)acetamide 5-bromopyridin-2-amine 2-Chloro Benzylcyanide 3-chlorobenzyl cyanide 3,4 Diethoxy Benzylcyanide 3,4 Dimethoxy BenzylcyanideRelated products of tetrahydrofuran
![tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate]](https://img.chemicalbook.in/CAS/GIF/6420-28-6.gif)
![tetrasodium 3,3'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis(naphthalene-1,5-disulphonate)](https://img.chemicalbook.in/CAS/GIF/6420-33-3.gif)
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