| 【CAS number】 | 120-80-9 |
| 【Chinese name】 | 二 |
| 【English name】 | Catechol |
| 【Alias】 | Pyrocatechol;1,2-Benzenediol;1,2-Dihydroxybenzene |
| 【Manufacturer】 | Italy |
| 【Content】 | 99% |
| 【Packing】 | 25 kilograms per pack |
| 【Chemical formula】 | |
| 【Property】 | Only tilted schistose of white or edge shape crystal. Become angry in brightness and air. Energy distillation. Can follow steam to be volatized. Dissolve in the 2.3 portion of water , easy to dissolve in the azine , the aqueous alkali , dissolve in alcohol , benzene , chloroform and ethyl ether. The aqueous solution becomes brown very quickly, energy deoxidation hydrogen nitrate silver ammonia solution and Mrs. forest rich with literary grace solution. Relative density 1.344. Melting point 105 ~C. Boiling point 245.5 ~C.165 ℃. |
| 【Main purpose】 | Being used for photograph , dyestuff , antioxygen , up a stabilizer, join for the important medicine centre body. |
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