Eosin Y (yellowish), pure indicator grade

Supplier: THERMO FISHER SCIENTIFIC CHEMICALS
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Eosin Y (yellowish), pure indicator grade
Eosin Y (yellowish)
Formula: C₂₀H₆Br₄Na₂O₅
MW: 691.86 g/mol
Melting Pt: >300 °C (dec.)
Density: 1.018 g/cm³
Storage Temperature: Ambient
MDL Number: MFCD00005040
CAS Number: 17372-87-1
EINECS: 241-409-6
Merck Index: 13,03634

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Specification Test Results

Appearance Dark red-brown Crystalline powder
Infrared spectrum Conforms
UV spectrum Complies
Loss on drying ≤10 %
UV Lambda max 511 to 519 nm
Specific extinction E (1%/1cm) ≥1100 (lambda max, 0.001M Na2CO3) on dried substance


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