| Items | Index | 
							
								| Appearance | White to light yellow needle-shape crystalloids  
								or granular | 
							
								| Purity, % | 99.5 
								min | 
							
								| Colour APHA (Hazen) | 40.0 
								max | 
							
								| Moisture, % | 0.04 max | 
							
								| Melting point, ℃ | 96.0 min | 
							
								| Ash content, % | 0.03 max | 
							
								| pH | 5.0-6.0 | 
						
						Properties and Usage:
						
						1,2,3-Benzotriazole is bitter, odorless, boiling point is 204℃ (15mmHg),soluble in alcohol, benzene、toluene、chloroform and dimethylformamide, and slightly soluble in water. It's mainly used as rust-preventer, antifreezing liquid, antioxidant additive(including lubricating oil, hydraulic oil, brake oil, transformer's oil), emugent, water stabilizer, the additive for high molecular materials (polyester and polyesteramide) capacity of ultraviolet resistance and anti- static electricity, photographic antifogging agent, copper mine flotation, metal's slow corrosion etc.
						Package and Storage:
						plastic woven bag,20Kg/bag or customers' requirement. 
					Synonyms:
						BTA; 
						1,2,3-Benzotriazole;1,2-Aminoazophenylene;1,2,3-Triazaindene