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CAS号: 123-91-1 英文名称: 1,4-Dioxane 英文同义词: DIOX;AAAAA;Diokan;Dioxan;Dioksan;p-Dioxan;Dioxanne;P-DIOXANE;4-Dioxane;AROSE IEF 中文名称: 1,4-二氧六环 中文同义词: 二烷;二噁烷;二恶烷;乙丙醇;双乙酐;二氧己环;二甲甲砜;PFU酶;对二恶烷;二氧六环 分子式: C4H8O2 分子量: 88.11 熔点 : 12 °C 沸点 : 101 °C 密度 : 1.034 g/mL at 25 °C(lit.) 蒸气密度: 3 (vs air) 蒸气压: 27 mm Hg ( 20 °C) 折射率 : n 20/D 1.422(lit.) 闪点 : 54 °F 储存条件 : Flammables area 溶解度 : Soluble in acetone, alcohol, benzene, and ether (Weast, 1986). Miscible with most organic solvents (Huntress and Mulliken, 1941) including 2-methylpropanol, toluene, cychexanone, and cyclopentanone. 形态: Solution 颜色: APHA: ≤20 气味 (Odor): Mild ether-like odor detectable at 0.8 to 172 ppm (mean = 12 ppm) PH值: 6-8 (500g/l, H2O, 20℃) 爆炸极限值(explosive limit): 1.7-25.2%(V) 水溶解性 : SOLUBLE 最大波长(λmax): λ: 220 nm Amax: ≤0.70λ: 235 nm Amax: ≤0.50λ: 250 nm Amax: ≤0.20λ: 270 nm Amax: ≤0.10λ: 295-400 nm Amax: ≤0.01 敏感性 : Hygroscopic Merck : 14,3300 BRN : 102551 Henry's Law Constant: 4.89(x 10-6 atm?m3/mol) (static headspace-GC, Welke et al., 1998) 暴露限值: TLV-TWA 25 ppm (≈90 mg/m3) (ACGIH), 100 ppm (MSHA and OSHA); carcinogenicity: Animal Sufficient Evidence (IARC). 稳定性: Stable. Incompatible with oxidizing agents, oxygen, halogens, reducing agents, moisture. Highly flammable - note wide explosive range. May form explosive peroxides in storage (rate of formation increased by heating, evaporation or exposure to light). InChIKey: RYHBNJHYFVUHQT-UHFFFAOYSA-N CAS 数据库: 123-91-1(CAS DataBase Reference) (IARC)致癌物分类: 2B (Vol. 11, Sup 7, 71) 1999 NIST化学物质信息: 1,4-Dioxane(123-91-1) EPA化学物质信息: 1,4-Dioxane (123-91-1) 危险品标志 : Xn,F,T 危险类别码 : 45-46-11-36/38-48/23/24/25-65-66-40-36/37-19-41-37/38-39/23/24/25-23/24/25-48/20/22-38-22-36/37/38-10 安全说明 : 9-16-36/37-46-45-53-7-62-26-24/25-23-S9-S46-S36/37-S16 危险品运输编号 : UN 1993 3/PG 2 WGK Germany : 3 RTECS号: JG8225000 F : 8 自燃温度: 180 °C TSCA : Yes HazardClass : 3 PackingGroup : II 海关编码 : 29329990 毒害物质数据: 123-91-1(Hazardous Substances Data) 毒性: LD50 in mice, rats (ml/kg): 5.7, 5.2 orally (Laug)