2-己酮
2-己酮(英語:,也称为甲基正丁基酮,,缩写MBK,化学式C6H12O),是一种有机化合物,一般用作溶剂和油漆。其代谢产物2,5-己二酮有神经毒性[5]。
2-Hexanone[1][2] | |
---|---|
IUPAC名 Hexan-2-one | |
别名 | 甲基丁基甲酮 甲基正丁基甲酮 MNBK MBK 丙基丙酮 |
识别 | |
CAS号 | 591-78-6 |
PubChem | 11583 |
ChemSpider | 11095 |
SMILES |
|
InChI |
|
InChIKey | QQZOPKMRPOGIEB-UHFFFAOYAQ |
EINECS | 209-731-1 |
RTECS | MP1400000 |
性质 | |
化学式 | C6H12O |
摩尔质量 | 100.16 g·mol−1 |
外观 | 无色至浅黄色液体 |
氣味 | 刺鼻的丙酮味[3] |
密度 | 0.8113 g/cm³ |
熔点 | -55.5 °C(218 K) |
沸点 | 127.6 °C(401 K) |
溶解性(水) | 1.4% (14 g/L) |
蒸氣壓 | 1.3 kPa (20 °C) |
磁化率 | -69.1·10−6 cm3/mol |
折光度n D |
1.403 (20 °C) |
黏度 | 0.63 mPa·s (20 °C) |
危险性 | |
GHS危险性符号 | |
GHS提示词 | 危险 |
H-术语 | H226, H336, H361f, H372 |
P-术语 | P201, P202, P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P280 |
NFPA 704 |
3
2
0
|
爆炸極限 | ?-8%[3] |
PEL | TWA 100 ppm (410 mg/m3)[3] |
致死量或浓度: | |
LD50(中位剂量) |
2590 mg/kg (大鼠, 口) 2430 mg/kg (小鼠, 口) 4860 mg/kg (兔, 皮) 2590 mg/kg (豚鼠, 口)[4] |
LDLo(最低) |
914 mg/kg (大鼠, 口)[4] |
LC50(中位浓度) |
8000 ppm (大鼠, 4 hr)[4] |
LCLo(最低) |
20,000 ppm (豚鼠, 70 min)[4] |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
参考文献
- Merck Index, 11th Edition, 5955.
- CRC Handbook of Chemistry and Physics, 75th ed. (1995)
- NIOSH Pocket Guide to Chemical Hazards. . NIOSH.
- . Immediately Dangerous to Life and Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
- Jerrold B. Leikin; Frank P. Paloucek, , 4th, Informa: 737, 2008
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