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| Appearance | White crystalline powder |
| Identification | Complies |
| Content(C10H14O2) | >=99% |
| Pb | =<0.001% |
| ARSENIC | =<0.0003% |
| T-butyl-Benzoquinone | =<0.2% |
| 2,5-Di-t-butyl-hydroquinone | =<0.2% |
| Hydroquinone | =<0.1% |
| Melting Point | 126.5~128.5 |