Chemical name: 4,4’-Oxybis(benzoic acid)di (1H-benzotriazol-1-yl)ester
CAS NO.: 188894-66-8
Structural formula:

Molecular Formula: C26H16N6O5
Molecular Weight: 492.45
Physicochemical properties:
Melting point: 189℃
Appearance : Off-white to white crystalline powder
Application:
Intermediates used in pesticide, pharamaceuticals and photosensitive materials.
Specifications
| 
			 Items  | 
			
			 Specifications  | 
		|
| 
			 Appearance  | 
			
			 Off-white to white powder  | 
		|
| 
			 Purity  | 
			
			 ≥99.0%  | 
		|
| 
			 Loss on drying  | 
			
			 ≤0.1%  | 
		|
| 
			 Transmittance  | 
			
			 ≥78%  | 
		|
| 
			 DC Urea  | 
			
			 ≤0.01%  | 
		|
| 
			 Ester content  | 
			
			 ≤1.0%  | 
		|
| 
			 Impurity A  | 
			
			 ≤0.05%  | 
		|
| 
			 Monomethyl ester  | 
			
			 ≤0.1%  | 
		|
| 
			 OBA-S  | 
			
			 ≤0.1%  | 
		|
| 
			 Metal Ionic  | 
			
			 K、Ca  | 
			
			 ≤2ppm  | 
		
| 
			 Na、Co、Mn、Cr、Ni、Fe  | 
			
			 ≤1ppm(per)  | 
		|
| 
			 Cl  | 
			
			 ≤4ppm  | 
		|