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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Acid Green 25 |
| Synonyms: | Alizarin green, Dye content 95%;Alizarin green, AR;c.i.acidgreen25;d&cgreen;d&cgreen5;d&cgreen8;Disodiumsaltof2,2’-[9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis-[5-methylbenzenesulfonicacid];zelenalizarinovabrilantnig-extra |
| CAS: | 4403-90-1 |
| MF: | C28H23N2NaO8S2 |
| MW: | 602.61 |
| EINECS: | 224-546-6 |
| Product Categories: | Organics;Aminoanthraquinones;Anthraquinones;Dyes and Pigments;A;Stains and Dyes;Stains&Dyes, A to |
| Mol File: | 4403-90-1.mol |
| Melting point | 235-238 °C(lit.) |
| storage temp. | room temp |
| Colour Index | 61570 |
| form | powder |
| color | Bluish green powder |
| Water Solubility | 36 g/L (20 ºC) |
| λmax | 608 nm 642 nm (2nd) |
| ε(extinction coefficient) | ≥10000 at 604-612nm ≥10200 at 640-646nm ≥20000 at 281-287nm ≥22700 at 251-257nm ≥6400 at 407-413nm |
| Merck | 14,252 |
| Cosmetics Ingredients Functions | COLORANT |
| InChIKey | FPAYXBWMYIMERV-UHFFFAOYSA-L |
| LogP | -1.966 at 20℃ |
| EPA Substance Registry System | C.I. Acid Green 25 (4403-90-1) |
| Hazard Codes | N |
| Risk Statements | 51/53-36 |
| Safety Statements | 24/25-61-26 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | 2 |
| RTECS | DB5044000 |
| HS Code | 32041200 |
| Hazardous Substances Data | 4403-90-1(Hazardous Substances Data) |
| Toxicity | LD50 orl-rat: >10 g/kg GTPZAB 28(7),53,84 |
| Provider | Language |
|---|---|
| Disodium 2,2'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(5-methylsulphonate) | English |
| ACROS | English |
| SigmaAldrich | English |
| Chemical Properties | dark green powder | |||||||||||||||||||||||||||||||||
| For nylon sutures: Fed. Regist. 42, 52395 (1977). Permitted for use in drugs and cosmetics, excluding use in eye area: ibid. 47, 49628 (1982). | ||||||||||||||||||||||||||||||||||
| Uses | 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. | |||||||||||||||||||||||||||||||||
| (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. | |||||||||||||||||||||||||||||||||
| Slightly soluble in water. | ||||||||||||||||||||||||||||||||||
| Reactivity Profile | Acid Green 25 is incompatible with strong oxidizing agents. . | |||||||||||||||||||||||||||||||||
| Flash point data for Acid Green 25 are not available. Acid Green 25 is probably combustible. | ||||||||||||||||||||||||||||||||||
| Flammability and Explosibility | Non flammable | |||||||||||||||||||||||||||||||||
| 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.
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| 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.] | ||||||||||||||||||||||||||||||||||
| Raw materials | 1,4-Dihydroxyanthraquinone-->p-Toluidine-->1,4-DICHLOROANTHRAQUINONE-->1,4-DICHLOROANTHRAQUINONE-->Solvent Green 3-->1,4-Dihydroxyanthraquinone-->p-Toluidine |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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