| 
	Technical Data Sheet
	
		
			
				| Items | Specification | Results |  
				| Appearance | Light yellow transparent liquid or crystalline, Slightly special smell. | Confirm |  
				| Assay(on dry base) | 99.50%min | 99.75% |  
				| Moisture | 0.5%max | 0.3% |  
				| freezing point | 18-20℃ | 18.8℃ |  
				| Boiling point(18-20mmHg) | 84-87℃ | 85.7℃ |  
				| Specific gravity, D2020 | 1.130-1.230 | 1.169 |  
				| refractive index, N2020 | 1.530-1.540 | 1.536 |  |