| 
                                            Description
                                         | 
                                            Colourless crystals or a clear, colourless, oily liquid
                                         | 
		
			| 
                                            Congealing point
                                         | 
                                            Not below 17.0°C
                                         | 
		
			| 
                                            Relative density
                                         | 
                                            1.113 to 1.118
                                         | 
		
			| 
                                            Refractive index (20°C; 589 nm)
                                         | 
                                            1.568 to 1.570
                                         | 
		
			| 
                                            Sulphated ash
                                         | 
                                            NMT 0.1%
                                         | 
		
			| 
                                            Assay                                                                                               
                                         | 
                                            NLT 99.0 % and NMT 100.5% w/w of C14H12O2
                                         |