| Identification | Back Directory | [Name]
EOSIN B | [CAS]
548-24-3 | [Synonyms]
BEosi
EOSIN B
EOSIN BN
SAFROSIN
CI 45400
EOSIN RED
Eosine BN
Eosine BA
Nophalin G
Eosine BNX
CAESAR RED
SAFFROSINE
CI NO 45400
ACID RED 91
IMPERIAL RED
EOSIN BLUISH
Zinc04261930
Eosin B, Pure
EOSIN SCARLET
EOSIN BA OR BN
Eosine Scarlet
Eosine Scarlet B
Eosin B (bluish)
C.I. Acid Red 91
EOSIN BLUE SHADE
EOSIN B CERTIFIED
EosineB(AcidRed91)
Eosin B,sodium salt
Eosine B (C.I. 45400)
EOSIN B DISODIUM SALT
LABOTEST-BB LT00847322
EOSIN B SPIRIT SOLUBLE
EOSIN B, WATER SOLUBLE
Eosin B,pure,certified
EosineBlueForMicroscopy
SAFFROSINE DISODIUM SALT
7’-dinitro-2disodiumsalt
EOSIN B, CERTIFIED, PURE
Acid red 91 (C.I. 45400)
Eosin Bluish
Imperial Red
Simacid Nitro Eosin 24669
EOSINE BLUE C.I. No ( 45400 )
EOSIN SCARLET, FOR MICROSCOPY
EOSIN B CERTIFIED (C.I. 45400)
Dibromodinitrofluorescein
sodium
4,5-DIBROMO-2,7-DINITROFLUORESCEIN
Eosin B, high purity biological stain
EOSIN BLUISH, B STANDS FOR ''BLUISH''
EOSIN B C.I. NO. 45400 FOR MICROSCOPY
EOSIN B (C.I. 45400) FOR MICROSCOPY CERT
Eosin B,pure,high purity, biological stain
Eosin B, high purity, biological stain, pure
4,5-DIBROMO-2,7-DINITROFLUORESCEIN DISODIUM SALT
Eosin B, high purity, biological stain, pure 25GR
EOSIN BLUISH, WATER-SOLUBLE, PURE, FOR M ICROSCOPY
,5'-Dibromo-2',7'-dinitrofluorescein, disodium salt
4',5'-DIBROMO-2',7'-DINITROFLUORESCEIN DISODIUM SALT
HydroxydibroModinitro-o-carboxy-phenylfluorone sodiuM
Eosin B (bluish) (C.I.45400) for microscopy Certistain
Fluorescein, 40,50-dibromo-20,70-dinitro-,
disodium Salt
2-(4,5-dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid, disodium salt
Spiroisobenzofuran-1(3H),9-9Hxanthen-3-one, 4,5-dibromo-3,6-dihydroxy-2,7-dinitro-, disodium salt
4',5'-Dibromo-3',6'-dihydroxy-2',7'-dinitrospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one sodium salt
Spiro(isobenzofuran-1(3H),9’-(9H)xanthen)-3-one,4’,5’-dibromo-3’,6’-dihydroxy-2’,7’-dinitro-,disodiumsalt
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, disodium salt
Spiro[isobenzofuran-1(3h),90-[9h]xanthen]-
3-one, 40,50-dibromo-30,60-dihydroxy-20,70-dinitro-,
disodium Salt
Acid Red91, Eosin bluish, Eosin Scarlet, Saffrosine, 4μ,5μ-Dibromo-2μ,7μ-dinitrofluorescein disodium salt | [EINECS(EC#)]
208-943-1 | [Molecular Formula]
C20H6Br2N2Na2O9 | [MDL Number]
MFCD00005041 | [MOL File]
548-24-3.mol | [Molecular Weight]
624.06 |
| Chemical Properties | Back Directory | [Appearance]
odourless green to reddish-brown solid | [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℃) | [Stability:]
Stable. Incompatible with strong oxidizing agents. | [Water Solubility ]
Soluble in water (390 g/L at 20°C), and ethanol. | [λmax]
514 nm, 395 nm | [Merck ]
14,3602 | [BRN ]
4121964 | [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) |
| Hazard Information | Back Directory | [Chemical Properties]
odourless green to reddish-brown solid | [Definition]
ChEBI: An organic sodium salt which is the disodium salt of eosin b diphenol. | [Uses]
Dyeing wool, cotton, and paper. In histology as a stain for epithelia, muscular fibers, nuclei, etc. | [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
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Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
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Fading
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Stain
|
Fading
|
Stain
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Fading
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Stain
|
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ISO
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3
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3
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3
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3
|
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3
|
|
| [Purification Methods]
Free it from inorganic halides by repeated crystallisation from butan-1-ol. [Beilstein 19/6 V 469.] |
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