| Acid Green 50 Basic information |
| Product Name: | Acid Green 50 |
| Synonyms: | 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;acidleathergreens |
| CAS: | 3087-16-9 |
| MF: | C27H27N2NaO7S2 |
| MW: | 578.63 |
| EINECS: | 221-409-2 |
| Product Categories: | Dyes and Pigments |
| Mol File: | 3087-16-9.mol |
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| Acid Green 50 Chemical Properties |
| 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℃ |
| Stability: | Incompatible with strong oxidizing agents. |
| 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) |
| Safety Information |
| 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. |
| Acid Green 50 Usage And Synthesis |
| Chemical Properties | solid |
| Uses | 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. |
| Purification Methods | Crystallise it from EtOH/water (1:1, v/v). Irritant. [Beilstein 14 II 574.] |
| 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. StandardLight FastnessSoapingPersperation FastnessOxygen bleachingFastness to seawaterFadingStainFadingStainFadingStainISO32341531AATCC2-33321133 |
| Acid Green 50 Preparation Products And Raw materials |