| 
				Specification | 
			
				
					
						
							| 
								 
									Properties 							 | 
							
								 
									Index 							 | 
						 
						
							| 
								Content,wt.% | 
							
								 
									≥99.5 							 | 
						 
						
							| 
								Color (Pt-Co) | 
							
								 
									≤10 							 | 
						 
						
							| 
								Odor | 
							
								 
									No odor  							 | 
						 
						
							| 
								Moisture,wt.% | 
							
								 
									≤0.2 							 | 
						 
						
							| 
								Chloride (NaCl),ppm | 
							
								 
									≤8 							 | 
						 
						
							| 
								Sulfate (Na2SO4),ppm | 
							
								 
									≤8 							 | 
						 
						
							| 
								Arsenic content (As),ppm | 
							
								 
									≤1 							 | 
						 
						
							| 
								Heavy metal (Pb),ppm | 
							
								 
									≤5 							 | 
						 
						
							| 
								Iron content,ppm | 
							
								 
									≤1 							 | 
						 
					
				 			 | 
		
		
			| 
				Description | 
			
				 
					 Chemical name: 1,2-1,2-Propanediol(pharmaceutical grade) 
					Molecular formula: C3H8O2 
					Molecular weight: 76 
					Properties: colorless, clear and viscous liquid, no odor, has a little sweet taste. Soluble in water, ethyl alcohol and many organic solvents.  
					Uses: as raw material for unsaturated polyester resin, plasticizer, surfactant, emulsifier. It can also be used as midew preventive, preservative, foaming agent, antifreezing agent and tobacco wetting agent.  
					  			 |