From Wikipedia, the free encyclopedia
醋醛(粵拼:cou3 cyun4,Acetaldehyde),係隻醛類嘅有機化合物,化學式CH3CHO。
醋醛 | |||
---|---|---|---|
| |||
| |||
別名 | Acetic aldehyde Ethyl aldehyde[1] Acetylaldehyde[2] | ||
識別 | |||
CAS號 | 75-07-0 | ||
PubChem | 177 | ||
ChemSpider | 172 ![]() | ||
SMILES | O=CC | ||
InChI
| |||
InChIKey | IKHGUXGNUITLKF-UHFFFAOYAB | ||
歐盟編號 | 200-836-8 | ||
ChEBI | 15343 | ||
RTECS | AB1925000 | ||
KEGG | C00084 | ||
性質 | |||
化學式 | |||
外觀 | 冇色液體 | ||
密度 | 0.784 g·cm−3 (20 °C)[3]
0.7904–0.7928 g·cm−3 (10 °C)[3] | ||
熔點 | −123.37 °C(150 K) | ||
沸點 | 20.2 °C(293 K) | ||
溶解度(水) | miscible | ||
溶解度 | miscible with ethanol, ether, benzene, toluene, xylene, turpentine, acetone slightly soluble in chloroform | ||
蒸氣壓 | 740 mmHg (20 °C)[4] | ||
pKa | 13.57 (25 °C, H2O)[5] | ||
黏度 | 0.21 mPa-s at 20 °C (0.253 mPa-s at 9.5 °C)[6] | ||
危險性 | |||
GHS危險性符號 Template:GHS02Template:GHS07Template:GHS08[7] | |||
主要危害 | potential occupational carcinogen[8] | ||
NFPA 704 | |||
LD50 | 1930 mg/kg (rat, oral) | ||
LC50 | 13,000 ppm (rat), 17,000 ppm (hamster), 20,000 ppm (rat)[8] | ||
如果無講明,所有數據都係指25 °C,100 kPa嘅時候嘅情況。 |
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.