Acid Green 25
- CAS NO.:4403-90-1
- Empirical Formula: C28H23N2NaO8S2
- Molecular Weight: 602.61
- MDL number: MFCD00001193
- EINECS: 224-546-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:52
What is Acid Green 25?
Chemical properties
dark green powder
The Uses of Acid Green 25
For nylon sutures: Fed. Regist. 42, 52395 (1977). Permitted for use in drugs and cosmetics, excluding use in eye area: ibid. 47, 49628 (1982).
The Uses of Acid Green 25
Acid Green 25 (cas# 4403-90-1) is an organic acid dye. Acid green 25 can undergo colour when co-intercalated with acid yellow 25 into the interlayer of ZnAl layered double hydroxides.Dyes and metabolites.
What are the applications of Application
Acid green 25 is an anionic, water soluble dye utilized in adsorption studies
Preparation
(a) ?anthracene-1,4,9,10-tetraol?or 1,4-Dihydroxyanthracene-9,10-dione and anthracene-1,4,9,10-tetraol?mixture?with 2 moles of p-Methylaniline in the presence of boric acid condensation; (b) 1,4-Dichloroanthracene-9,10-dione and 2 Moore’s p-Methylaniline?condensation, its product (C.I. Solvent Green 3, C.I. 61565) products, and translate into sodium salt.
General Description
Fine black or green powder.
Air & Water Reactions
Slightly soluble in water.
Reactivity Profile
Acid Green 25 is incompatible with strong oxidizing agents. .
Fire Hazard
Flash point data for Acid Green 25 are not available. Acid Green 25 is probably combustible.
Flammability and Explosibility
Non flammable
Safety Profile
Moderately toxic by ingestion. Askin and severe eye irritant.
When heated to decomposition it emits very toxic fumesof NOx, SOx, and Na2O.
Properties and Applications
blue light green. Green powder. Soluble in water, no solution at room temperature gather the tendency. Soluble in o-chlorophenol, slightly soluble in acetone, ethanol, Pyridine, insoluble in chloroform, toluene. The strong sulfuric acid dyes shows blackish green color, diluted Tracy turn blue; In nitric acid are brown. The little blue water solution, and a blue hydrochloric acid; Add sodium hydroxide is blue light green. Used for wool, polyamide, silk and their blended fabric dyeing and printing. Can also be used in leather, paper, cosmetics, soap, wood, electrical-controlled aluminum and biological color.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 6 | 3 | 2 | 4 | 2 | 1 | 4 | 3-4 |
AATCC | 5 | 4 | 4 | 3 | 3 | 3 | 4 | 4 |
Purification Methods
Purify it by salting out three times from an aqueous solution with sodium acetate, followed by repeated extraction with EtOH [McGrew & Schneider J Am Chem Soc 72 2547 1950]. It is a green powder that is slightly soluble in Me2CO, EtOH and pyridine. It is soluble in conc H2SO4 to give a blue solution that becomes turquoise on dilution. [Allen et al. J Org Chem 7 63 1942, Beilstein 14 H 725.]
Properties of Acid Green 25
Melting point: | 235-238 °C(lit.) |
form | neat |
Colour Index | 61570 |
color | Bluish green powder |
Water Solubility | 36 g/L (20 ºC) |
Merck | 14,252 |
EPA Substance Registry System | C.I. Acid Green 25 (4403-90-1) |
Safety information for Acid Green 25
Signal word | Warning |
Pictogram(s) |
Environment GHS09 |
GHS Hazard Statements |
H411:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P273:Avoid release to the environment. |
Computed Descriptors for Acid Green 25
InChIKey | FPAYXBWMYIMERV-UHFFFAOYSA-L |
Acid Green 25 manufacturer
Neelikon Food Dyes Chemicals Ltd
Appex Dye Stuff Industries
Parshwanath Group of Indusries
Deepak Chemtex Pvt Ltd
Jagson Colorchem Limited
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