经不住考验的诺言 我困在分手的阴影中难以走出
???
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?? | |||
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??? (PIN)
Methoxymethane[1] | |||
?? | |||
??? | |||
3D ?? (JSmol)
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?? | DME | ||
1730743 | |||
ChEBI | |||
ChEMBL | |||
ChemSpider | |||
ECHA InfoCard | 100.003.696 | ||
EC ?? |
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KEGG | |||
MeSH | Dimethyl+ether | ||
PubChem CID
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RTECS ?? |
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UNII | |||
UN ?? | 1033 | ||
CompTox Dashboard (EPA)
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?? | |||
C2H6O | |||
? ?? | 46.069 g·mol?1 | ||
??? | Colorless gas | ||
?? | Ethereal[2] | ||
?? | 2.1146 kg/m3 (gas, 0 °C, 1013 mbar)[2] 0.735 g/mL (liquid, -25 °C)[2] | ||
??? | ?141 °C; ?222 °F; 132 K | ||
??? | ?24 °C; ?11 °F; 249 K | ||
71 g/L (at 20 °C (68 °F)) | |||
log P | 0.022 | ||
?? ?? | >100 kPa | ||
??? (χ)
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-26.3·10?6 cm3/mol | ||
1.30 D | |||
??? | |||
??? (C)
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65.57 J K?1 mol?1 | ||
?? ?? ??? (ΔfH?298)
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?184.1 kJ mol?1 | ||
?? ?? ??? (ΔcH?298)
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?1.4604 MJ mol?1 | ||
?? | |||
?? ?? ?? ?? | ≥99% Sigma-Aldrich | ||
GHS ???? | ![]() | ||
??? | ?? | ||
H220 | |||
P210, P410+403 | |||
NFPA 704 (??? ?????) | |||
??? | ?41 °C (?42 °F; 232 K) | ||
350 °C (662 °F; 623 K) | |||
?? ?? | 27% | ||
?? ??? | |||
?? ??s
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???? ?? 百度 经过千山万水,到了仪凤元年才抵达中原。 | ||
?? ???
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??? | ||
?? ??? ??? ????, ????(25 °C [77 °F], 100 kPa)?? ??? ??? ???.
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???? ??(dimethyl ether[daiméθ?l í?θ?r], ???: Dimethylether, DME)? ??? ???? ?? ??? ?????. IUPAC?? ?????? ?? ?????(methoxymethane[meθɑ?ksiméθein])?? ?????? ???? ???? ???? ?? ? ??. ???? C2H6O, ???? CH3OCH3??, ???? 46??. ?? ??? ??? ?? ??? ????? ???? ??? ??? ??? ?? ??.
?? ????? ???? ?? ???? ? DME? ??? ???? ??.
DME ????
LPG?? ???? ??, ?????? ???? ???? ????.
DME ??
???? ?? ?? ??? ??????, ?? ???? ?? ??? ??? ??? ?? ????? ??. ??? LPG? ???? ???? ??? ?? ?? ???.
??
- ↑ ? ? 〈CHAPTER P-6. Applications to Specific Classes of Compounds〉. 《Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book)》. Cambridge: The Royal Society of Chemistry. 2014. 703?. doi:10.1039/9781849733069-00648. ISBN 978-0-85404-182-4.
- ↑ ? ? ? Record in the GESTIS Substance Database of the Institute for Occupational Safety and Health
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????? ??? ???? ?? ?? ??? ??? ????.
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