English name: Rose Bengal; Acid Red 94
Other names: Rose Red; Tetrachlorotetraiodofluorescein; Bengal Red; Bengal Rose Red; Bengal Rose Red B; Acid Red 94
CAS number: 632-69-9
C20H2Cl4I4Na2O5 = 1017.64
Level: BR
Effective spectroscopic content Dye content: ≥90.0%
Absorbance maximum: 545 ～ 550nm
Water dissolution test: qualified burning residue: ≤18.0%
Traits: brown-red or blue-red powder. Soluble in water, blue-red in aqueous solution, brown in sulfuric acid medium Use: Biochemical research. Used as adsorption indicator and biological staining agent for silver content method: RT, protected from light
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