548-24-3 OMS4XQD1T0 Eosine I Bluish Eosin B 2-(4,5-Dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid, disodium salt Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, sodium salt (1:2) Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, disodium salt AI3-63053 EINECS 208-943-1 C.I. 45400 C.I. Acid Red 91 Dibromodinitrofluorescein sodium Eosin BA Eosine B Eosine BA Eosine BN Eosine BNX Saffrosine UNII-OMS4XQD1T0 CAS 548-24-3

Purity 97%+In StockPharmaceutical Standards
CAS No.548-24-3
Molecular FormulaC20H18Br2N2O9 2*Na
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

548-24-3 OMS4XQD1T0 Eosine I Bluish Eosin B 2-(4,5-Dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid, disodium salt Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, sodium salt (1:2) Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, disodium salt AI3-63053 EINECS 208-943-1 C.I. 45400 C.I. Acid Red 91 Dibromodinitrofluorescein sodium Eosin BA Eosine B Eosine BA Eosine BN Eosine BNX Saffrosine UNII-OMS4XQD1T0 CAS 548-24-3 chemical structure

Description

548-24-3 OMS4XQD1T0 Eosine I Bluish Eosin B 2-(4,5-Dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid, disodium salt Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, sodium salt (1:2) Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, disodium salt AI3-63053 EINECS 208-943-1 C.I. 45400 C.I. Acid Red 91 Dibromodinitrofluorescein sodium Eosin BA Eosine B Eosine BA Eosine BN Eosine BNX Saffrosine UNII-OMS4XQD1T0 (CAS 548-24-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H18Br2N2O9 2*Na. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC20H18Br2N2O9 2*Na
Molecular Weight613.17 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentBr-containing
Nitrogen Atoms2

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