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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 50 |
| Synonyms: | LISSAMINE GREEN B;ACID GREEN 50;[4-[4-(dimethylamino)-alpha-(2-hydroxy-3,6-disulphonato-1-naphthyl)benzylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium inner salt sodium salt;WOOL GREEN S;12078green;acidalwoolgreenbs;acidbrilliantgreenbs;AcidgreenBS |
| CAS: | 3087-16-9 |
| MF: | C27H27N2NaO7S2 |
| MW: | 578.63 |
| EINECS: | 221-409-2 |
| Product Categories: | Dyes and Pigments |
| Mol File: | 3087-16-9.mol |
| Melting point | >300°C |
| density | 0.541[at 20℃] |
| storage temp. | Refrigerator |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Powder |
| Colour Index | 44090 |
| color | Dark brown or black |
| Water Solubility | 492.554g/L at 28℃ |
| λmax | 633 nm |
| ε(extinction coefficient) | ≥10000 at 300-306nm in water at 0.005g/L ≥50000 at 236-242nm in water at 0.005g/L ≥60000 at 630-636nm in water at 0.005g/L |
| Stability: | Incompatible with strong oxidizing agents. |
| Cosmetics Ingredients Functions | COLORANT |
| InChIKey | BVUWAHIFBKMCJZ-UHFFFAOYSA-N |
| SMILES | C(=C1C=C/C(=[N+](/C)\C)/C=C1)(C1C=CC(N(C)C)=CC=1)C1=C(C(S([O-])(=O)=O)=CC2=CC(S(O)(=O)=O)=CC=C12)O.[NaH] |
| LogP | 0.595 at 25℃ |
| CAS DataBase Reference | 3087-16-9(CAS DataBase Reference) |
| EPA Substance Registry System | Methanaminium, N-[4-[[4-(dimethylamino)phenyl](2-hydroxy-3,6-disulfo-1-naphthalenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, inner salt, monosodium salt (3087-16-9) |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 36/37/39 |
| WGK Germany | 3 |
| RTECS | BQ1150000 |
| HS Code | 32041200 |
| Toxicity | rat,LD50,oral,2gm/kg (2000mg/kg),Scientia Pharmaceutica. Vol. 47, Pg. 39, 1979. |
| Provider | Language |
|---|---|
| [4-[4-(Dimethylamino)-alpha-(2-hydroxy-3,6-disulphonato-1-naphthyl)benzylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium inner salt sodium salt | English |
| SigmaAldrich | English |
| ACROS | English |
| Chemical Properties | solid | |||||||||||||||||||||||||||||||||
| Acid Green 50 is a food coloring in drinks and candles. Also used on living cells as protein stains for chemical and molecular analyses. | ||||||||||||||||||||||||||||||||||
| Preparation | (a)4-(Dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine and Naphthalen-2-ol condensation, with hair smoke sulphonated sulfuric acid, and translated into sodium salt; (b) Bis (4 – (dimethylamino) phenyl) methanoland ?3-Hydroxynaphthalene-2,7-disulfonic acid (or 7-Hydroxynaphthalene-1,3-disulfonic acid) condensation, product oxidation, and translated into sodium salt. | |||||||||||||||||||||||||||||||||
| Lissamine green also referred to as acid green 50, wool green S, food green S or green S, is used for vital staining of cornea and conjunctiva. Staining characteristics are almost similar to rose bengal dye. Lissamine green is also used to stain membrane-damaged epithelial cells. In vitro, Lissamine green B at low concentration blocks herpes simplex virus 1 (HSV-1) plaque formation. | ||||||||||||||||||||||||||||||||||
| Properties and Applications | blue light green. Blue-green powder. Soluble in cold water, easily soluble in hot water (green blue), soluble in ethanol (turquoise blue). Meet strong sulfuric acid as orange, a green light amber after diluted. Mainly used for wool, polyamide, silk dyeing. Also used in leather, food, medicine and cosmetics of shading.
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| Crystallise it from EtOH/water (1:1, v/v). Irritant. [Beilstein 14 II 574.] | ||||||||||||||||||||||||||||||||||
| Raw materials | Disodium 2-naphthol-3,6-disulfonate-->4,4'-Bis(dimethylamino)benzhydrol-->2-Naphthol-6,8-disulfonic acid-->4-(dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine-->2-Naphthol |
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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