A choking gas, CH2O, usually prepared as an aqueous solution, and used as a preservative, an antiseptic, and in large quantities as a raw material…
| 单词 | θ69522 |
| 释义 | the world > matter > chemistry > organic chemistry > aldehydes or alkanals > [noun] > formaldehyde (5) formaldehyde1872 A choking gas, CH2O, usually prepared as an aqueous solution, and used as a preservative, an antiseptic, and in large quantities as a raw material… methanal1894 Formaldehyde, CH2O. Subcategories:— aqueous solution of (3) |
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