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Merck

34865

Sigma-Aldrich

四氢呋喃

≥99.9%, suitable for HPLC, inhibitor-free

别名:

THF, 丁烯氧化物, 四亚甲基氧化物, 氧杂环戊烷

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About This Item

经验公式(希尔记法):
C4H8O
CAS号:
分子量:
72.11
Beilstein:
102391
EC號碼:
MDL號碼:
分類程式碼代碼:
41116105
PubChem物質ID:
NACRES:
NA.21

product name

四氢呋喃, inhibitor-free, suitable for HPLC, ≥99.9%

蒸汽密度

2.5 (vs air)

品質等級

蒸汽壓力

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

化驗

≥99.9%

形狀

liquid

自燃溫度

610 °F

expl. lim.

1.8-11.8 %

技術

HPLC: suitable

雜質

≤0.0005% non-volatile matter
≤0.002% free acid (as CH3COOH)
≤0.05% peroxides (as H2O2)
≤0.05% water (Karl Fischer)

蒸發殘留物

≤0.0005%

顏色

APHA: ≤10

折射率

n20/D 1.407 (lit.)

pH值

~7

bp

65-67 °C (lit.)

mp

−108 °C (lit.)

密度

0.889 g/mL at 25 °C (lit.)

吸收

≤0.0044 at 315 nm
≤0.005 at 350 nm
≤0.005 at 400 nm
≤0.02 at 300 nm
≤0.046 at 275 nm
≤0.18 at 250 nm
≤0.26 at 245 nm
≤1.0 at 212 nm

紫外吸收

λ: 245 nm Amax: ≤0.26
λ: 275 nm Amax: ≤0.046
λ: 315 μm Amax: ≤0.0044

適合性

complies for IR spectroscopy

應用

food and beverages

SMILES 字串

C1CCOC1

InChI

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

InChI 密鑰

WYURNTSHIVDZCO-UHFFFAOYSA-N

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一般說明

四氢呋喃(THF)被广泛用作溶剂。它构成了各种天然产物(聚醚抗生素)的关键片段。THF可与硫化氢形成双水合物。该双水合物的晶体结构已通过三维单晶体研究而被探究。在THF的合成过程中丁-1,4-二醇作为中间体而被形成。热的THF可用于聚偏二氯乙烯(PVDV)的溶解。

應用

在制备聚-ε-己内酯(PCL)-羟基磷灰石(HA)支架和丙烯酸酯封端的聚(5-氨基-1-戊醇 - 共-1,4-丁二醇二丙烯酸酯)(C32)-1,3-二氨基戊烷(117)聚合物)过程中,四氢呋喃可分别用于溶解聚-ε-己内酯(PCL)和1,3-二氨基戊烷。
适用于HPLC、分光光度法、环境检测

其他說明

重要通知
  • 货号 34865-4X2.5L的产品即将停产。请订购34865-2.5L单瓶装,因为其具体参数与上述产品本质相同。
  • 货号34865-6X1L的产品即将停产。请订购34865-1L单瓶装,因为其物理参数与上述产品本质相同。

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訊號詞

Danger

危險分類

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

標靶器官

Central nervous system, Respiratory 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)

-6.2 °F - closed cup

閃點(°C)

-21.2 °C - closed cup


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商品

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.

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.

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.

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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