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CAS号:78-83-1
英文名称:2-Methyl-1-propanol
英文同义词:IBA;FEMA 2179;i-Butanol;sobutanol;isobutano;ISOBUTANOL;iso-C4H9OH;BUTANOL-ISO;femanumber2179;ISOBUTANOL(SG)
中文名称:异丁醇
中文同义词:异丁醇;異丁醇;异丙基甲醇;无水异丁醇;異丙基甲醇;中化异丁醇;乙醇中异丁醇;2-甲基丙醇;异丁醇 危险品;异丁醇-GCS
分子式:C4H10O
分子量:74.12
熔点:-108 °C (lit.)
沸点:108 °C (lit.) 108 °C
密度:0.803 g/mL at 25 °C (lit.)
蒸气密度:2.55 (vs air)
蒸气压:8 mm Hg ( 20 °C)
折射率:n
FEMA:2179 | ISOBUTYL ALCOHOL
闪点:82 °F
储存条件:Store at +5°C to +30°C.
溶解度:water: miscible70g/L at 20°C
形态:Solid
酸度系数(pKa):>14 (Schwarzenbach et al., 1993)
颜色:APHA: ≤10
相对极性:0.552
PH值:7 (80g/l, H2O, 20℃)
气味 (Odor):Slightly suffocating; nonresidual alcoholi
嗅觉阈值(Odor Threshold):0.011ppm
爆炸极限值(explosive limit):1.5-12%(V)
水溶解性:95 g/L (20 ºC)
最大波长(λmax):λ: 260 nm Amax: 0.10
λ: 280 nm Amax: 0.06
JECFA Number:251
Merck:14,5131
BRN:1730878
Henry's Law Constant:20.0 at 30.00 °C, 72.2 at 50.00 °C, 133 at 60.00 °C, 216 at 70.00 °C, 330 at 80.00 °C (headspace- GC, Hovorka et al., 2002)
暴露限值:TWA 300 mg/m3 (100 ppm) NIOSH, 150 mg/m3 (50 ppm) (ACGIH); IDLH 8000 ppm.
稳定性:Stable. Flammable. Incompatible with strong oxidizing agents, aluminium.
InChIKey:ZXEKIIBDNHEJCQ-UHFFFAOYSA-N
CAS 数据库:78-83-1(CAS DataBase Reference)
NIST化学物质信息:1-Propanol, 2-methyl-(78-83-1)
EPA化学物质信息:Isobutanol (78-83-1)