EOSIN B CERTIFIED
Eosin B
CAS: 548-24-3
Molecular Formula: C20H9Br2N2NaO9
EOSIN B CERTIFIED - Names and Identifiers
| Name | Eosin B |
| Synonyms | Eosin B C.I. 45400 Acid Red 91 Eosin Bluish C.I. Acid Red 91 EOSIN B CERTIFIED EOSIN SCARLET, FOR MICROSCOPY EOSIN B CERTIFIED (C.I. 45400) Eosin B, high purity biological stain EOSIN BLUISH, WATER-SOLUBLE, PURE, FOR M ICROSCOPY ,5'-Dibromo-2',7'-dinitrofluorescein, disodium salt disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate 2-(4,5-dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid, disodium salt disodium 4',5'-dibromo-2',7'-dinitro-3-oxo-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diolate Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, disodium salt |
| CAS | 548-24-3 |
| EINECS | 208-943-1 |
| InChI | InChI=1/C20H8Br2N2O9.2Na/c21-13-15(25)11(23(28)29)5-9-17(13)32-18-10(6-12(24(30)31)16(26)14(18)22)20(9)8-4-2-1-3-7(8)19(27)33-20;;/h1-6,25-26H;;/q;2*+1/p-2 |
EOSIN B CERTIFIED - Physico-chemical Properties
| Molecular Formula | C20H9Br2N2NaO9 |
| Molar Mass | 604.09 |
| Melting Point | 275°C (dec.)(lit.) |
| Water Solubility | Soluble in water (390 g/L at 20°C), and ethanol. |
| Solubility | spirit: soluble |
| Appearance | Red powder |
| Color | Very dark purple-red to dark brown |
| Maximum wavelength(λmax) | ['514 nm, 395 nm'] |
| Merck | 14,3602 |
| BRN | 4121964 |
| PH | 6.2 (10g/l, H2O, 25℃) |
| Storage Condition | Store at +5°C to +30°C. |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00005041 |
| Use | Used as a biological stain |
EOSIN B CERTIFIED - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 3204 12 00 |
EOSIN B CERTIFIED - Reference
| Reference Show more | 1. Feng xuecao, Chen Lulu, du Keyu, Li Yongpeng, Zhao Lingxia. Flower Morphology and microspore development of Physalis pubescens [J]. Journal of Plant Research, 2019,39(05):647-652. 2. Jin Zhuhao, Cui Yunqiu, Sun Jingxin, Jin Guangyu, whole Jishan. Preparation and evaluation of liposomes loaded with magnetic iron oxide nanoparticles [J]. Journal of Yanbian University (Natural Science Edition),2020,46(04):326-332. |
EOSIN B CERTIFIED - Introduction
Easily soluble in water, the solution is green fluorescent, soluble in alcohol
Last Update：2022-10-16 17:26:12
EOSIN B CERTIFIED - Reference Information
| color index | 45400 |
| biological application | Antimalarial agent; protein say; detecting enzyme activity; treating cancer,malaria,diabetes,a variety of conditions affecting skin,mouth,digestive trace, urinary trace, reproductive trace, respiratory trace, circulatory sys |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | as biological stain biological stain, histology is used for epithelial cells, muscle fibers and nucleus staining. Adsorption and fluorescent indicators. |
Last Update：2024-04-09 15:16:51
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