EOSIN B
Synonym(s):Dibromodinitrofluorescein sodium;Eosin B (bluish) (C.I.45400)
- CAS NO.:548-24-3
- Empirical Formula: C20H9Br2N2NaO9
- Molecular Weight: 604.09
- MDL number: MFCD00005041
- EINECS: 208-943-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:15:32
What is EOSIN B?
Chemical properties
odourless green to reddish-brown solid
The Uses of EOSIN B
Eosin B sodium salt is a cell and tissue stain. Eosin B sodium salt is used as a counter stain for collagen, as a tissue stain for cell granules, nuclei, and microorganisms when coupled with Azure A (sc-203729), and as a stain for cell differentiation of the anterior pituitary.
The Uses of EOSIN B
Dyeing wool, cotton, and paper. In histology as a stain for epithelia, muscular fibers, nuclei, etc.
What are the applications of Application
Eosin B sodium salt is a cell and tissue stain
Definition
ChEBI: An organic sodium salt which is the disodium salt of eosin b diphenol.
Preparation
will 4′,5′-Dibromofluorescein?(C.I. Acid Orange 11, C.I. 45370) nitrification, and translated into sodium salt or ammonium salt.
storage
Room temperature
Purification Methods
Free it from inorganic halides by repeated crystallisation from butan-1-ol. [Beilstein 19/6 V 469.]
Properties and Applications
colourful red blue light.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 3 | 3 | 3 | 3 | 3 |
Properties of EOSIN B
Melting point: | 275 °C (dec.)(lit.) |
storage temp. | Store at +5°C to +30°C. |
solubility | spirit: soluble |
Colour Index | 45400 |
form | Solid |
color | Very dark purple-red to dark brown |
PH | 6.2 (10g/l, H2O, 25℃) |
Water Solubility | Soluble in water (390 g/L at 20°C), and ethanol. |
λmax | 514 nm, 395 nm |
Merck | 14,3602 |
BRN | 4121964 |
Stability: | Stable. Incompatible with strong oxidizing agents. |
Biological Applications | Antimalarial agent; protein assay; detecting enzyme activity; treating cancer,malaria,diabetes,a variety of conditions affecting skin,mouth,digestive tract,urinary tract,reproductive tract,respiratory tract,circulatory sys |
EPA Substance Registry System | Eosin B (548-24-3) |
Safety information for EOSIN B
Computed Descriptors for EOSIN B
EOSIN B manufacturer
New Products
(S)-3-Aminobutanenitrile hydrochloride 4-Methylphenylacetic acid N-Boc-D-alaninol N-BOC-D/L-ALANINOL Tert-butyl bis(2-chloroethyl)carbamate 3-Morpholino-1-(4-nitrophenyl)-5,6-dihydropyridin- 2(1H)-one Furan-2,5-Dicarboxylic Acid Tropic acid 1-Bromo-3,5-Di-Tert-Butylbenzene S-2-CHLORO PROPIONIC ACID ETHYL ISOCYANOACETATE 2-Bromo-1,3-Bis(Dimethylamino)Trimethinium Hexafluorophosphate 4-IODO BENZOIC ACID 3-NITRO-2-METHYL ANILINE 1-(2,4-DICHLOROPHENYL) ETHANAMINE (2-Hydroxyphenyl)acetonitrile 4-Bromopyrazole 2-(Cyanocyclohexyl)acetic acid 4-methoxy-3,5-dinitropyridine 1-(4-(aminomethyl)benzyl)urea hydrochloride 2-aminopropyl benzoate hydrochloride diethyl 2-(2-((tertbutoxycarbonyl)amino) ethyl)malonate tert-butyl 4- (ureidomethyl)benzylcarbamate Ethyl-2-chloro((4-methoxyphenyl)hydrazono)acetateRelated products of tetrahydrofuran
You may like
-
548-24-3 Acid red 91 98%View Details
548-24-3 -
548-24-3 99%View Details
548-24-3 -
Eosin b 90% CAS 548-24-3View Details
548-24-3 -
Eosin B CAS 548-24-3View Details
548-24-3 -
Eosine blue CAS 548-24-3View Details
548-24-3 -
Acid Red 91 CAS 548-24-3View Details
548-24-3 -
EOSIN BLUE For Microscopy CAS 548-24-3View Details
548-24-3 -
Eosin B CAS 548-24-3View Details
548-24-3