Eosin Y (yellowish), pure indicator grade
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:17372-87-1
:
Formula:C₂₀H₆Br₄Na₂O₅
MDL Number:MFCD00005040
Merck Index:13,03634
Melting Pt:>300 °C (dec.)
Density:1.018 g/cm³
:691.86 g/mol
EINECS:241-409-6
:GHS07
Storage Temperature:Ambient
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
Specification Test Results
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