Rose Bengal 85%, pure, high purity biological stain

Supplier: Thermo Scientific
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Synonyms: Sodium 4,5,6,7-tetrachloro-2',4',5',7'-tetraiodo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate), Food Red No. 105, CI 45440, Acid red 94, Aniline Rose, Rose Bengal sodium

189450010 189450050 189450250 189451000 189455000
ACRO189450010EA 42.1 GBP
ACRO189450010 ACRO189450050 ACRO189450250 ACRO189451000 ACRO189455000
Rose Bengal 85%, pure, high purity biological stain
Rose Bengal

CAS No.: 632-69-9

Formula: C₂₀H₂Cl₄I₄O₅Na₂
MW: 1017,63 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00005043
CAS Number: 632-69-9

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Specification Test Results

Appearance Bordeaux to red-brown Crystalline powder
Infrared spectrum Conforms
Loss on drying ≤10 % (105°C)
Dye content ≥80 %
UV Lambda max 540 to 550 nm (in water)
Absorption Ratio P-15/P+15 1.21 to 1.95

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