ChemicalBook >> CAS DataBase List >>EOSIN B
EOSIN B
- CAS No.
- 548-24-3
- Chemical Name:
- EOSIN B
- Synonyms
- BEosi;EOSIN B;SAFROSIN;CI 45400;EOSIN BN;Eosine BA;Eosine BN;EOSIN RED;Nophalin G;Eosine BNX
- CBNumber:
- CB8309228
- Molecular Formula:
- C20H9Br2N2NaO9
- Molecular Weight:
- 604.09
- MDL Number:
- MFCD00005041
- MOL File:
- 548-24-3.mol
Last updated:2024-02-18 22:21:08
| 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 |
| FDA UNII | OMS4XQD1T0 |
| EPA Substance Registry System | Eosin B (548-24-3) |
EOSIN B price More Price(24)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 45260 | Eosin B formicroscopy(Fl.,Hist.),adsorptionandfluorescentindicator | 548-24-3 | 100g | $432 | 2024-03-01 | Buy |
| Sigma-Aldrich | 45260 | Eosin B formicroscopy(Fl.,Hist.),adsorptionandfluorescentindicator | 548-24-3 | 25g | $153 | 2023-06-20 | Buy |
| Sigma-Aldrich | 45260 | Eosin B for microscopy (Fl., Hist.), adsorption and fluorescent indicator | 548-24-3 | 100g-f | $336 | 2021-12-16 | Buy |
| Sigma-Aldrich | 45260 | Eosin B for microscopy (Fl., Hist.), adsorption and fluorescent indicator | 548-24-3 | 25g-f | $109 | 2021-12-16 | Buy |
| TCI Chemical | E0204 | Acid Red 91 | 548-24-3 | 25g | $35 | 2024-03-01 | Buy |
EOSIN B Chemical Properties,Uses,Production
Chemical Properties
odourless green to reddish-brown solid
Uses
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.
Uses
Dyeing wool, cotton, and paper. In histology as a stain for epithelia, muscular fibers, nuclei, etc.
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 | |||
EOSIN B Preparation Products And Raw materials
Global( 207)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29886 | 58 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28172 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 | sales@chemdad.com | China | 39894 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569266 15319487004 | 1015@dideu.com | China | 4088 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34553 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8615255079626 | eric@witopchemical.com | China | 23541 | 58 |
| Wuhan Fortuna Chemical Co., Ltd | +86-027-59207850 | info@fortunachem.com | China | 5986 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | 571-88938639 +8617705817739 | info@dycnchem.com | China | 52849 | 58 |
| CD Chemical Group Limited | +8615986615575 | info@codchem.com | China | 20342 | 58 |
| Henan Alfa Chemical Co., Ltd | +86-18339805032; +8618339805032 | alfa4@alfachem.cn | China | 13227 | 58 |
View Lastest Price from EOSIN B manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2024-11-02 | Eosin B
548-24-3
|
US $0.00 / KG | 1KG | 98%min | 30tons/month | WUHAN FORTUNA CHEMICAL CO., LTD | |
 |
2024-02-18 | Acid Red
548-24-3
|
US $350.00 / g | 1g | 98 | 500 Kg | R&D Scientific Inc. | |
 |
2019-07-10 | Eosine I Bluish
548-24-3
|
US $1.00 / KG | 1KG | 99% | 25kg | Career Henan Chemical Co |
-
- Eosin B
548-24-3
- US $0.00 / KG
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
-
- Acid Red
548-24-3
- US $350.00 / g
- 98
- R&D Scientific Inc.
-
- Eosine I Bluish
548-24-3
- US $1.00 / KG
- 99%
- Career Henan Chemical Co
C.I. Acid Red 91
Eosin B, high purity biological stain
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, disodium salt
2-(4,5-dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid, disodium salt
EOSIN B CERTIFIED
EOSIN B CERTIFIED (C.I. 45400)
EOSIN SCARLET, FOR MICROSCOPY
EOSIN BLUISH, WATER-SOLUBLE, PURE, FOR M ICROSCOPY
EOSIN B C.I. NO. 45400 FOR MICROSCOPY
EosineB(AcidRed91)
EosineBlueForMicroscopy
EOSINE BLUE C.I. No ( 45400 )
Eosin B, high purity, biological stain, pure
7’-dinitro-2disodiumsalt
Spiro(isobenzofuran-1(3H),9’-(9H)xanthen)-3-one,4’,5’-dibromo-3’,6’-dihydroxy-2’,7’-dinitro-,disodiumsalt
Spiroisobenzofuran-1(3H),9-9Hxanthen-3-one, 4,5-dibromo-3,6-dihydroxy-2,7-dinitro-, disodium salt
EOSIN B, CERTIFIED, PURE
Eosine BA
Eosine Scarlet
Eosine Scarlet B
Eosin B,pure,high purity, biological stain
Eosin B,pure,certified
Zinc04261930
Eosin B,sodium salt
Acid red 91 (C.I. 45400)
Eosine B (C.I. 45400)
Acid Red91, Eosin bluish, Eosin Scarlet, Saffrosine, 4μ,5μ-Dibromo-2μ,7μ-dinitrofluorescein disodium salt
HydroxydibroModinitro-o-carboxy-phenylfluorone sodiuM
Nophalin G
Eosin B, high purity, biological stain, pure 25GR
Eosin Bluish
Imperial Red
EOSIN B (C.I. 45400) FOR MICROSCOPY CERT
4',5'-Dibromo-3',6'-dihydroxy-2',7'-dinitrospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one sodium salt
LABOTEST-BB LT00847322
ACID RED 91
,5'-Dibromo-2',7'-dinitrofluorescein, disodium salt
Eosine BN
Eosine BNX
4,5-DIBROMO-2,7-DINITROFLUORESCEIN
4',5'-DIBROMO-2',7'-DINITROFLUORESCEIN DISODIUM SALT
4,5-DIBROMO-2,7-DINITROFLUORESCEIN DISODIUM SALT
SAFROSIN
SAFFROSINE
SAFFROSINE DISODIUM SALT
IMPERIAL RED
CI 45400
CI NO 45400
CAESAR RED
EOSIN B
EOSIN BA OR BN
EOSIN B DISODIUM SALT
EOSIN BLUE SHADE
EOSIN BLUISH
EOSIN BLUISH, B STANDS FOR ''BLUISH''
EOSIN BN
EOSIN B SPIRIT SOLUBLE
EOSIN B, WATER SOLUBLE
EOSIN RED