ChemicalBook > CAS DataBase List > EOSIN B

EOSIN B

Product Name
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
Formula Weight
604.09
MOL File
548-24-3.mol
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EOSIN B Property

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)
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Safety

Hazard Codes 
Xn
Risk Statements 
22
Safety Statements 
22-24/25
WGK Germany 
3
TSCA 
Yes
HS Code 
3204 12 00
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H318Causes serious eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P310Immediately call a POISON CENTER or doctor/physician.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
45260
Product name
Eosin B
Purity
formicroscopy(Fl.,Hist.),adsorptionandfluorescentindicator
Packaging
100g
Price
$432
Updated
2024/03/01
Sigma-Aldrich
Product number
45260
Product name
Eosin B
Purity
formicroscopy(Fl.,Hist.),adsorptionandfluorescentindicator
Packaging
25g
Price
$153
Updated
2023/06/20
Sigma-Aldrich
Product number
45260
Product name
Eosin B
Purity
for microscopy (Fl., Hist.), adsorption and fluorescent indicator
Packaging
100g-f
Price
$336
Updated
2021/12/16
Sigma-Aldrich
Product number
45260
Product name
Eosin B
Purity
for microscopy (Fl., Hist.), adsorption and fluorescent indicator
Packaging
25g-f
Price
$109
Updated
2021/12/16
TCI Chemical
Product number
E0204
Product name
Acid Red 91
Packaging
25g
Price
$35
Updated
2024/03/01
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EOSIN B Chemical Properties,Usage,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

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

Purification Methods

Free it from inorganic halides by repeated crystallisation from butan-1-ol. [Beilstein 19/6 V 469.]

EOSIN B Preparation Products And Raw materials

Raw materials

Preparation Products

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EOSIN B Suppliers

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View Lastest Price from EOSIN B manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Eosin B 548-24-3
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-02-08
R&D Scientific Inc.
Product
Acid Red 548-24-3
Price
US $350.00/g
Min. Order
1g
Purity
98
Supply Ability
500 Kg
Release date
2024-02-18
Career Henan Chemical Co
Product
Eosine I Bluish 548-24-3
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
25kg
Release date
2019-07-09

548-24-3, EOSIN BRelated Search:

EOSIN Acid Orange 7 Acid Black 1 Tartrazine Aniline Blue Acid Blue 119 ACID RED 88 Acid Red 73 Acid chrome blue K asbestos ACID RED 1 Acid Red 94 3-Ethoxyphenol Allyl phenyl ether Sodium nitrite 3-Nitrotoluene 2-Bromo-4-methylphenol 2-ETHYLBENZOIC ACID

  • C.I. Acid Red 91
  • Eosin B, high purity biological stain
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  • 2-(4,5-dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid, disodium salt
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  • 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
  • Eosin B, Biological stain
  • Eosin B (bluish) (C.I.45400)
  • Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, sodium salt (1:2)
  • 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