説明
            
     beta-Naphthol Specification:
	
		
| Items | Specification | 
| Appearance | white-off flakes or powder | 
| Assay | ≥99.10% | 
| 1-naphtol | ≤0.3% | 
| Melting point | ≥120℃ | 
| Water | ≤0.1% | 



                    
                        
                    








