Other grades of this product :
| EOSIN METHYLENE-BLUE Basic information |
| Product Name: | EOSIN METHYLENE-BLUE | | Synonyms: | METHYL EOSIN;S NO 881/1038;SOLVENT RED 44;CI45385dyecontent:approx.90%;Eosin Methylene blue solution according to Wright, Wrights eosin methylene blue;Eosin - methylene blue solution, Eosin methylene blue according to May-Grμnwald;May-Grμnwald solution;2-(2,4,5,7-Tetrabromo-3-oxo-6-potassiooxy-3H-xanthen-9-yl)benzoic acid methyl ester | | CAS: | 6359-04-2 | | MF: | C21H9Br4KO5 | | MW: | 700.01 | | EINECS: | 228-792-5 | | Product Categories: | Analytical Reagents;Microscopy Reagents;Stains and Dyes | | Mol File: | 6359-04-2.mol |
| EOSIN METHYLENE-BLUE Chemical Properties |
| density | 0.80 g/mL at 20 °C | | Fp | 11 °C |
| EOSIN METHYLENE-BLUE Usage And Synthesis |
| Uses | May-Grünwald solution (Eosin – methylene blue solution) is used with Giemsa stain for histological staining of blood cells. | | Preparation | Fluorescein (C.I. Acid Yellow 73, C.I. 45350) in water or ethanol solution bromide into four bromine derivatives, and then into sodium salt, then product (C.I. Acid Red 87) Metaclazepam change and translated into sylvine. | | Properties and Applications | brilliant blue light red. Soluble in hot water for cherry red, soluble in ethanol aqueous solution to red, with brown light yellow fluorescence. In concentrated sulfuric acid to yellow, dilution after brown light yellow precipitation. Dye aqueous solution to join sodium hydroxide as dark solution, with green fluorescence.
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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Slightly soluble
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| EOSIN METHYLENE-BLUE Preparation Products And Raw materials |
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