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Merck
CN

34944

Sigma-Aldrich

1,4-二氧六环

puriss. p.a., dried, ≥99.5% (GC), ≤0.005% water

别名:

二恶烷, 四氢呋喃

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关于此项目

经验公式（希尔记法）:
C4H8O2
化学文摘社编号:
123-91-1
分子量:
88.11
Beilstein:
102551
EC 号:
204-661-8
MDL编号:
MFCD00006571
UNSPSC代码:
12352005
PubChem化学物质编号:
329755095

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蒸汽密度

3 (vs air)

蒸汽压

27 mmHg ( 20 °C)
40 mmHg ( 25 °C)

等级

puriss. p.a.

方案

≥99.5% (GC)

表单

liquid

自燃温度

356 °F

质量

dried

包含

~25 mg/L 2,6-di-tert.-butyl-4-methylphenol as stabilizer

expl. lim.

22 %

杂质

≤0.001% free acid (as CH3COOH)
≤0.001% free alkali (as NH3)
≤0.001% non-volatile matter
≤0.005% acetaldehyde
≤0.005% peroxides (as H2O2)
≤0.005% water (Karl Fischer)
≤0.005% water
≤0.01% carbonyl compounds (as HCHO)

折射率

n20/D 1.4210-1.4240
n20/D 1.422 (lit.)

pH值（酸碱度）

6.0-8 (20 °C, 500 g/L)

沸点

100-102 °C (lit.)

mp

10-12 °C (lit.)

转变温度

solidification point ≤11 °C

密度

1.034 g/mL at 25 °C (lit.)

痕量阳离子

Al: ≤0.5 mg/kg
B: ≤0.02 mg/kg
Ba: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

SMILES字符串

C1COCCO1

InChI

1S/C4H8O2/c1-2-6-4-3-5-1/h1-4H2

InChI key

RYHBNJHYFVUHQT-UHFFFAOYSA-N

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一般描述

1,4-Dioxane is widely used as a solvent for various organic compounds in industry. It is a non-biodegradable contaminant found in industrial effluents. Its oxidative degradation by using oxygen and ozone has been useful in converting it into biodegradable products, which can be easily removed by conventional methods.

应用

1,4-Dioxane may be employed as solvent in the synthesis of N-(4-(prop-2-ynyloxy)phenyl)acetamide and 3-(4-(prop-2-ynyloxy)phenyl)-3,4-dihydro-2H-benzo[e][1,3]oxazine.

警示用语：

Danger

危险分类

Carc. 1B - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

靶器官

Respiratory system

补充剂危害

EUH019,EUH066

储存分类代码

3 - Flammable liquids

WGK

WGK 3

闪点(°F)

51.8 °F - closed cup

闪点(°C)

11 °C - closed cup

法规信息

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