蒸气密度	3 (vs air)

蒸气压	27 mm Hg ( 20 °C)

折射率	n20/D 1.422(lit.)

LogP	-0.42 at 20℃

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: ≤0.70 λ: 235 nm Amax: ≤0.50 λ: 250 nm Amax: ≤0.20 λ: 270 nm Amax: ≤0.10 λ: 295-400 nm Amax: ≤0.01

BRN

102551

Henry's Law Constant

4.89(x 10-6 atm?m3/mol) (static headspace-GC, Welke et al., 1998)

Dielectric constant

2.2（25℃）

暴露限值	TLV-TWA 25 ppm (≈90 mg/m3) (ACGIH), 100 ppm (MSHA and OSHA); carcinogenicity: Animal Sufficient Evidence (IARC).

(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)