ACID ORANGE 8
ACID ORANGE 8 Basic information
- Product Name:
- ACID ORANGE 8
- Synonyms:
-
- CI 15575
- ACID ORANGE 8
- 4-[(2-hydroxy-1-naphthalenyl)azo]-3-methyl-benzenesulfonicacimonosodiums
- acidorange8(c.i.15575)
- Benzenesulfonicacid,4-[(2-hydroxy-1-naphthalenyl)azo]-3-methyl-,monosodiumsalt
- Acid Orange 8 (C.I.)
- C.I. Acid Orange 8
- sodium 4-(2-hydroxynaphth-1-ylazo)-3-methylbenzenesulphonate
- CAS:
- 5850-86-2
- MF:
- C17H13N2NaO4S
- MW:
- 364.35
- EINECS:
- 227-458-6
- Product Categories:
-
- Organics
- A
- Stains and Dyes
- Stains&Dyes, A to
- Mol File:
- 5850-86-2.mol
ACID ORANGE 8 Chemical Properties
- Density
- 1.525[at 20℃]
- vapor pressure
- 0Pa at 25℃
- storage temp.
- Amber Vial, Refrigerator, Under inert atmosphere
- solubility
- Methanol (Slightly), Water (Slightly)
- form
- Solid
- Colour Index
- 15575
- color
- Dark Orange to Very Dark Red
- Water Solubility
- 26.83g/L at 20℃
- LogP
- -0.954 at 20℃
- EPA Substance Registry System
- C.I. Acid Orange 8, monosodium salt (5850-86-2)
MSDS
- Language:English Provider:SigmaAldrich
ACID ORANGE 8 Usage And Synthesis
Uses
Acid Orange 8 is a dye/stain. Dyes and metabolites.
Preparation
4-Amino-3-methylbenzenesulfonic acid?diazo, and Naphthalen-2-ol coupling.
Flammability and Explosibility
Non flammable
Properties and Applications
red light orange. For red orange is soluble in water, soluble in soluble fiber element, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid for blue-ray in red, yellow and orange solution diluted into and precipitation; In nitric acid solution for wine red and then into orange. Its water solution and strong hydrochloric acid is cherry red; Add sodium hydroxide with brown precipitation. Used for wool, silk, cotton, vinegar, polyamide fiber and fiber dyeing. Also used for paper, leather dyeing, the heavy metal salt used in organic pigments.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 1 | 2 | 3 | 1 | 3 | 2-3 | 1 |
| AATCC | 4 | 1 | 1 | 3 | 2 | 2 | 1 | 1 |
Purification Methods
Salt it out three times with sodium acetate, then extract it repeatedly with EtOH and dry.
ACID ORANGE 8Supplier
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