Symmetrical dimethylhydrazine
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| Abbreviations | SDMH[2] |
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| MeSH | 1,2-Dimethylhydrazine |
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| UN number | 2382 |
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| Molar mass | Template:Chem molar mass |
| Appearance | Colourless liquid |
| Odor | Fishy, ammoniacal |
| Density | 827.4 kg m−3 (at 20 °C) |
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| Template:Longitem | 171.04 J K−1 mol−1 |
| Template:Longitem | 199.15 J K−1 mol−1 |
| Template:Longitem | −1987–−1978 kJ mol−1 |
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Symmetrical dimethylhydrazine (SDMH), or 1,2-dimethylhydrazine, is the organic compound with the formula (CH3NH)2. It is one of the two isomers of dimethylhydrazine. Both isomers are colorless liquids at room temperature, with properties similar to those of methylamines. Symmetrical dimethylhydrazine is a potent carcinogen that acts as a DNA methylating agent.[3][4] The compound has no commercial value, in contrast to its isomer unsymmetrical dimethylhydrazine (1,1-dimethylhydrazine, UDMH), which is used as a rocket fuel.[5] Symmetrical dimethylhydrazine is more toxic than unsymmetrical dimethylhydrazine and is therefore an unwanted impurity in UDMH.[6]
It is used to induce colon tumors in experimental animals—particularly mice and feline cell samples.[1][7][8]
References
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- ↑ a b 1,2-Dimethylhydrazine from PubChem
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