中文名

1,4-二氧六环

中文同义

1，4-二氧己环;1,4-二氧六环;1,4-二氧杂环己烷;1,4二環氧己烷;1,4-二氧六圜 093-01 [3];二恶烷;二噁烷;1-十二烷基磺酸钠

英文名

1,4-Dioxane

英文同义

1,4-Dioxacyclohexane;1,4-Dioxin, tetrahydro-;1,4-dioxin,tetrahydro;dioxyethyleneether;DuPont zonyl FSO-100 fluorinated surfactants;Ethyeneglycol;Ethylene glycol ethylene ether;Ethyleneether

CAS

123-91-1

分子式

C4H8O2

分子量

88.11

EINECS

204-661-8

结构式

编辑

性质

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

n20/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: ≤0.70
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

敏感性

Hygroscopic

Merck

14,3300

BRN

102551

Henrys 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

(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)

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