Supplier: Thermo Scientific Chemicals

21199-0050 21199-0250
TS21199-0250EA 138.56 USD
TS21199-0250 TS21199-0050
Purpurin (1,2,4-Trihydroxy-9,10-anthraquinone)
Formula: C₁₄H₈O₅
Melting Pt: 253…256 °C
Flash Pt: 113 °C
Storage Temperature: Ambient
MDL Number: MFCD00001203
CAS Number: 81-54-9
EINECS: 201-359-8

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Specification Test Results

Appearance Dark red to orange-brown to brown Powder
Infrared spectrum Conforms
Solubility (1 mg/ml in NH4OH) Red to very dark red to purple
HPLC ≥85 %
UV Lambda max 470 to 490 nm (10 mg/l methanol)

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