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186562

四氢呋喃

Name: 四氢呋喃
Brand: SIAL

≥99.9%, anhydrous, contains 250 ppm BHT as inhibitor

别名:

THF, 丁烯氧化物, 四亚甲基氧化物, 氧杂环戊烷

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关于此项目

经验公式（希尔记法）:

C₄H₈O

化学文摘社编号:

109-99-9

分子量:

72.11

NACRES:

NA.21

PubChem Substance ID:

57647757

UNSPSC Code:

12191501

EC Number:

203-726-8

MDL number:

MFCD00005356

Beilstein/REAXYS Number:

102391

Assay:

≥99.9%

Grade:

anhydrous

Bp:

65-67 °C (lit.)

Vapor pressure:

114 mmHg ( 15 °C), 143 mmHg ( 20 °C)

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属性

产品名称

四氢呋喃, anhydrous, contains 250 ppm BHT as inhibitor, ≥99.9%

grade

anhydrous

Quality Level

200

vapor density

2.5 (vs air)

vapor pressure

114 mmHg ( 15 °C), 143 mmHg ( 20 °C)

assay

≥99.9%

form

liquid

autoignition temp.

610 °F

contains

250 ppm BHT as inhibitor

expl. lim.

1.8-11.8 %

impurities

≤0.005% peroxides (as H₂O₂), <0.002% water (All units except 100 mL), <0.005% water (100 mL pkg)

refractive index

n20/D 1.407 (lit.)

pH

bp

65-67 °C (lit.)

mp

−108 °C (lit.)

solubility

H₂O: soluble

density

0.889 g/mL at 25 °C (lit.)

SMILES string

C1CCOC1

InChI

1S/C4H8O/c1-2-4-5-3-1/h1-4H2

InChI key

WYURNTSHIVDZCO-UHFFFAOYSA-N

说明

General description

四氢呋喃(THF)是一种饱和环醚，主要用作有机溶剂。长期储存时，它会形成有机过氧化物。可通过添加丁基羟基甲苯(BHT)作为稳定剂而抑制这一过程。BHT能去除形成过氧化物所需的自由基。它是各种天然产物（聚醚类抗生素）的关键片段。THF可与硫化氢形成双水合物，其晶体结构已经过三维单晶研究法进行过研究。

Application

干燥四氢呋喃(THF)已用于合成二氯{双[1,1′，1′′-(膦三基)三哌啶]钯[(P(NC₅H₁₀)₃)₂Pd(Cl)₂]，广泛用作Heck反应中的催化剂。它已被用于各种芳基溴和烯烃的Heck交叉偶联反应介质。

Packaging

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Other Notes

2-甲基四氢呋喃(414247)和环戊基甲基醚(675970)是许多THF应用更环保的替代选择。

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signalword

Danger

target_organs

Central nervous system, Respiratory system

supp_hazards

EUH019

存储类别

3 - Flammable liquids

flash_point_f

-6.2 °F - closed cup

flash_point_c

-21.2 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - STOT SE 3

法规信息

危险化学品

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溶剂混溶性表

如果物质相互溶解形成均匀的溶液，就可以说它们相互混溶。收藏或下载我们的常见实验室溶剂混溶性表。

溶剂稳定剂系统

描述溶剂的稳定剂系统，包括酯、乙酯、四氢呋喃、氯化溶剂、氯仿和二氯甲烷。

Solvent Miscibility Table

Substances are said to be miscible in one another if they dissolve to form a uniform solution. Bookmark or download our miscibility table for common lab solvents.

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Mizoroki-Heck Cross-coupling Reactions Catalyzed by Dichloro {bis [1, 1', 1''-(phosphinetriyl) tripiperidine]} palladium Under Mild Reaction Conditions.

Oberholzer M and Frech CM

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1-Cyclohexyl-4-(4-arylcyclohexyl)piperazines: Mixed σ and human Δ(8)-Δ(7) sterol isomerase ligands with antiproliferative and P-glycoprotein inhibitory activity.

Carmen Abate et al.

ChemMedChem, 6(1), 73-80 (2010-11-12)

Many new chemotherapeutic agents are under preclinical investigation and, despite efforts to more selectively target cancer cells, limitations such as toxicity and inherent resistance are often encountered. Therefore, alternative strategies are needed to treat cancer and overcome such limitations. We

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