Packings
04765
Article No. 04765
Purity
Molecular Formula C27H18O2
H.S. Code 2914.5000
Grade Indicator grade
CAS No. 145-50-6
Molecular Weight 374.44
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour Dark reddish black
Odour Odorless Melting point/ Freezing point [°C] 185°C
Vapour density 12.9 Solubility in water [% weight] Insoluble in water

Specifications

Appearance Dark red to red-brown to brown-black to orange-brown powder Visual transition interval pH 8.2 (yellow to orange) to pH 10 (green-blue)
Absorption maxima in acetic perchloric acid 0.1 mol/L 622 - 626 nm

Safety Information and Hazard Symbols

Exclamation Mark              

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338