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CAS号:75-07-0
英文名称:Acetaldehyde
英文同义词:FORMOL;CH3CHO;Ethanal;MORBICID;METHANONE;Acetaldeyd;NCI-C56326;Acetaldeyde;Acetaldehyd;ALDEHYDE C1
中文名称:乙醛
中文同义词:乙醛;乙醛 水;无水乙醛;乙醛溶液;乙醛,醋醛;40%乙醛;乙醛(无水);乙醛 危险品;乙醛 标准品;甲醛&
分子式:C2H4O
分子量:44.05
熔点:-125 °C (lit.)
沸点:21 °C (lit.)
密度:0.785 g/mL at 25 °C (lit.)
蒸气密度:1.03 (vs air)
蒸气压:52 mm Hg ( 37 °C)
折射率:n
FEMA:2003 | ACETALDEHYDE
闪点:133 °F
储存条件:2-8°C
溶解度:alcohols: soluble
酸度系数(pKa):13.57(at 25℃)
形态:solution
颜色:White to off-white
比重:0.823 (20/4℃) (?90% Soln.)
PH值:5 (10g/l, H2O, 20℃)
气味 (Odor):Pungent, fruity odor detectable at 0.0068 to 1000 ppm (mean = 0.067 ppm)
嗅觉阈值(Odor Threshold):0.0015ppm
爆炸极限值(explosive limit):4-57%(V)
水溶解性:> 500 g/L (20 ºC)
敏感性:Air Sensitive
JECFA Number:80
Merck:14,39
BRN:505984
Henry's Law Constant:7.69 at 25 °C (Snider and Dawson, 1985:Benkelberg et al., 1995)
暴露限值:TLV-TWA 180 mg/m3 (100 ppm) (ACGIH), 360 mg/m3 (200 ppm) (NIOSH); STEL 270 mg/m3 (150 ppm); IDLH 10,000 ppm.
稳定性:Stable, but air sensitive. Substances to be avoided include strong oxidizing agents, strong acids, reducing agents, alkalies, halogens, halogen oxides. Highly flammable. Vapour/air mixtures explosive over a very wide concentration range. May form peroxides in storage.
InChIKey:IKHGUXGNUITLKF-UHFFFAOYSA-N
CAS 数据库:75-07-0(CAS DataBase Reference)
(IARC)致癌物分类:2B (Vol. 36, Sup 7, 71) 1999, 1 (Vol. 100E) 2012
NIST化学物质信息:Acetaldehyde(75-07-0)
EPA化学物质信息:Acetaldehyde (75-07-0)