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重要文件

296082

Sigma-Aldrich

二乙醚

≥99.7%, anhydrous, contains 1 ppm BHT as inhibitor

同義詞:

乙醚, 醚

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About This Item

線性公式:
(CH3CH2)2O
CAS號碼:
分子量::
74.12
Beilstein:
1696894
EC號碼:
MDL號碼:
分類程式碼代碼:
12352112
PubChem物質ID:
NACRES:
NA.21

product name

二乙醚, contains 1 ppm BHT as inhibitor, anhydrous, ≥99.7%

等級

anhydrous

品質等級

蒸汽密度

2.6 (vs air)

蒸汽壓力

28.66 psi ( 55 °C)
8.56 psi ( 20 °C)

化驗

≥99.7%

形狀

liquid

自燃溫度

320 °F

包含

1 ppm BHT as inhibitor

expl. lim.

36.5 %

雜質

<0.003% water
<0.005% water (100 mL pkg)

蒸發殘留物

<0.0003%

顏色

colorless

折射率

n20/D 1.3530 (lit.)

bp

34.6 °C (lit.)
34.6 °C

mp

−116 °C (lit.)

密度

0.706 g/mL at 25 °C (lit.)

SMILES 字串

CCOCC

InChI

1S/C4H10O/c1-3-5-4-2/h3-4H2,1-2H3

InChI 密鑰

RTZKZFJDLAIYFH-UHFFFAOYSA-N

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一般說明

Diethyl ether is a highly volatile and flammable organic solvent. On storing for a long time, DEE can form organic peroxides, which can be suppressed by adding butylated hydroxytoluene (BHT) as a stabilizer. BHT scavenges the free radicals required for the peroxide formation.

應用

Diethyl ether has been used as a solvent for the preparation of 3-formyl-2,2,5,5-tetramethyl-1-oxy-pyrroline from 3-(N-methoxy-N-methylcarbamoyl)-2,2,5,5-tetramethyl-1-oxy-pyrroline using DIBAL.

象形圖

FlameExclamation mark

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 4 Oral - Flam. Liq. 1 - STOT SE 3

標靶器官

Central nervous system

安全危害

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

-40.0 °F - closed cup

閃點(°C)

-40 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves


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