Acid Yellow 42
Acid Yellow 42 Basic information
- Product Name:
- Acid Yellow 42
- Synonyms:
-
- BENZYL FAST YELLOW RS
- COOMASSIE YELLOW R
- CI ACID YELLOW 42
- CALCOCID MILLING YELLOW R
- ACID YELLOW 42
- SULPHON YELLOW RS-CF
- [1,1’-biphenyl]-2,2’-disulfonicacid,4,4’-bis[(4,5-dihydro-3-methyl-5-oxo-1-ph
- [1,1’-Biphenyl]-2,2’-disulfonicacid,4,4’-bis[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-,disodiumsalt
- CAS:
- 6375-55-9
- MF:
- C32H27N8NaO8S2
- MW:
- 738.73
- EINECS:
- 228-940-9
- Product Categories:
-
- Organics
- Dyes and Pigments
- Mol File:
- 6375-55-9.mol
Acid Yellow 42 Chemical Properties
- Density
- 1.617[at 20℃]
- Water Solubility
- 17.27g/L at 20℃
- LogP
- -1.122 at 20℃
- EPA Substance Registry System
- C.I. Acid Yellow 42, disodium salt (6375-55-9)
Acid Yellow 42 Usage And Synthesis
Preparation
2,2′-Disulfo-4,4,diaminobibenzene double nitriding, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one? (2 Moore) coupled.
Flammability and Explosibility
Not classified
Properties and Applications
yellow to red light yellow. Bright yellow powder. A lemon yellow soluble in water, soluble in ethanol is lemon yellow, slightly soluble in acetone. Meet strong sulfuric acid is lemon yellow, dilute still is shown after lemon yellow. Its water solution meet strong hydrochloric acid is lemon yellow; Sodium hydroxide solution meet strong a lemon yellow. In dyeing of copper (a little red dark, encounter chromium ion unchanged, encounter iron ion turn green dark. Mainly used for wool dyeing and can be used for wool, silk and glue directly printing, has the good discharge sex, can be used for the polyamide fiber dyeing and leather shading.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4-5 | 4-5 | 5 | 4-5 | 4 | 5 | 4 | 5 |
| AATCC | 4 | 4-5 | 4-5 | 4-5 | 1 | 2-3 | 4-5 | 4-5 |
Acid Yellow 42 Preparation Products And Raw materials
Raw materials
Acid Yellow 42Supplier
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- 400-0066400 13621662912
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- 0086-571-88523165
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