| Product No. | Product name | specifications | 
| 1.17561.016 | Hydroquinone | AR250g | 
| 1.17561.036 | Hydroquinone | Spec25kg | 
| 1.17561.046 | Hydroquinone | AR30kg | 
| 1.17561.086 | Hydroquinone | Spec25kg | 
| 1.17561.096 | Hydroquinone | AR250g | 
| Item | AR | CP | 
| Assay | ≥98.0% | ≥98.0% | 
| Melting point, ℃ | 170.0~173.0 | 170.0~173.0 | 
| Solubility in water | Pass | Pass | 
| Chloride(Cl) | ≤0.001% | -- | 
| Sulfate(SO4) | ≤0.01% | ≤0.02% | 
| Heavy metals(as Pb) | ≤0.001% | ≤0.001% | 
| Catechol | Pass | Pass | 
| Residue on ignition(as SO4) | ≤0.05% | ≤0.1% | 
IATA-DGR UN 3077 ENVIRONMENTALLY HAZARDOUS SUBSTANCE,SOLID,N.S.O.(HYDROQUINONE),9,Ⅲ




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