| 
				 [Alias]:  | 
			
				 Oxydiacetic anhydride, 1,4-dioxine-2,6-dione  | 
		
| 
				 [Product name]:  | 
			
				 Diglycolic anhydride  | 
		
| 
				 [Structural formula]:  | 
			
				 
					  | 
		
| 
				 [Molecular formula]:  | 
			
				 C4H4O4  | 
		
| 
				 [Molecular weight]:  | 
			
				 116.0722  | 
		
| 
				 [CAS NO]:  | 
			
				 4480-83-5  | 
		
| 
				 [Packing]:  | 
			
				 25kg/Cardboard drum  | 
		
| 
				 Physicochemical data  | 
		|
| 
				 Appearance  | 
			
				 light brown or off-white crystalline powder  | 
		
| 
				 Melting range °C  | 
			
				 90-95 °C  | 
		
| 
				 Quality standard  | 
		|
| 
				 Purity %HPLC  | 
			
				 ≥98  | 
		
| 
				 Moisture%  | 
			
				 ≤0.5  |