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CAS号:142-82-5
英文名称:Heptane
英文同义词:Eptani;Heptan;n-C7H16;HEPTANE;heptanes;Heptanen;1-HEPTANE;N-HEPTANE;ALKANE C7;Heptane>
中文名称:正庚烷
中文同义词:庚烷;正庚烷;庚烷类;N-庚烷;无水正庚烷;色谱正庚烷;庚烷分馏物;正庚烷,AR;色谱级正庚烷;正庚烷 危险品
分子式:C7H16
分子量:100.2
熔点:−91 °C(lit.)
沸点:98 °C(lit.)
密度:0.684 g/mL at 20 °C
蒸气密度:3.5 (vs air)
蒸气压:40 mm Hg ( 20 °C)
折射率:n
闪点:30 °F
储存条件:Store at +5°C to +30°C.
溶解度:acetone: miscible(lit.)
酸度系数(pKa):>14 (Schwarzenbach et al., 1993)
形态:Liquid
颜色:≤10(APHA)
比重:0.684 (20/4℃)
相对极性:0.012
气味 (Odor):Gasoline.
嗅觉阈值(Odor Threshold):0.67ppm
爆炸极限值(explosive limit):1-7%(V)
水溶解性:practically insoluble
最大波长(λmax):λ: 200 nm Amax: ≤1.0
λ: 225 nm Amax: ≤0.10
λ: 250 nm Amax: ≤0.01
λ: 300-400 nm Amax: ≤0.005
Merck:14,4659
BRN:1730763
Henry"s Law Constant:0.901, 1.195, and 1.905(atm?m3/mol) at 26.0, 35.8, and 45.0 °C, respectively (dynamic headspace, Hansen et al., 1995)
暴露限值:NIOSH REL: TWA 85 ppm (350 mg/m3), 15-min ceiling 440 ppm (1,800 mg/m3), IDLH 750 ppm; OSHA PEL: TWA 500 ppm (2,000 mg/m3); ACGIH TLV: TWA 400 ppm, STEL 500 ppm (adopted).
稳定性:Stable. Incompatible with oxidizing agents, chlorine, phosphorus. Highly flammable. Readily forms explosive mixtures with air.
InChIKey:IMNFDUFMRHMDMM-UHFFFAOYSA-N
CAS 数据库:142-82-5(CAS DataBase Reference)
NIST化学物质信息:Heptane(142-82-5)
EPA化学物质信息:Heptane (142-82-5)