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Merck
CN
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文件

安全信息

33147

Sigma-Aldrich

1,4-二氧六环

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (GC)

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别名:
二恶烷, 四氢呋喃
经验公式（希尔记法）:
C4H8O2
CAS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:
329754462
NACRES:
NA.21

等级

ACS reagent
puriss. p.a.

质量水平

200

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

蒸汽密度

3 (vs air)

蒸汽压

27 mmHg ( 20 °C)
40 mmHg ( 25 °C)

检测方案

≥99.5% (GC)

形式

liquid

自燃温度

356 °F

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% non-volatile matter
≤0.005% acetaldehyde
≤0.005% peroxides (as H2O2)
≤0.01% carbonyl compounds (as HCHO)
≤0.05% water (Karl Fischer)

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)

bp

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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相关类别

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. Oxidative degradation of 1,4-dioxane 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 has been employed as a 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.

其他说明

The article number 33147-6X1L will be discontinued. Please order the single bottle 33147-1L which is physically identical with the same exact specifications.

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

WGK

WGK 3

闪点(°F)

51.8 °F

闪点(°C)

11 °C

法规信息

危险化学品

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Self-curable benzoxazine functional polybutadienes synthesized by click chemistry.
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The dehydration of D-fructose to 5-hydroxymethylfurfural was studied under single-phase conditions in the low boiling solvent 1,4-dioxane at moderate temperatures in the presence of the solid acid-catalyst Amberlyst-15. The reaction was first examined and optimized under batch conditions, where it
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