178810-M
四氢呋喃
≥99.0%, reagent grade, contains 250 ppm BHT as inhibitor
别名:
丁烯氧化物, 四亚甲基氧化物, 氧杂环戊烷
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经验公式（希尔记法）:
C4H8O
化学文摘社编号:
分子量:
72.11
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12191501
EC Number:
203-726-8
MDL number:
Beilstein/REAXYS Number:
102391
Assay:
≥99.0%
Grade:
reagent grade
Vapor pressure:
114 mmHg ( 15 °C), 143 mmHg ( 20 °C)
产品名称
四氢呋喃, reagent grade, ≥99.0%, contains 250 ppm BHT as inhibitor
grade
reagent grade
vapor pressure
114 mmHg ( 15 °C), 143 mmHg ( 20 °C)
assay
≥99.0%
form
liquid
autoignition temp.
610 °F
contains
250 ppm BHT as inhibitor
expl. lim.
1.8-11.8 %
dilution
(for analytical testing)
pH
~7
mp
−108 °C (lit.)
density
0.889 g/mL at 25 °C (lit.)
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General description
Tetrahydrofuran (THF) is a saturated cyclic ether mainly used as an organic solvent. On long term storage it forms organic peroxides. This process can be suppressed by adding butylated hydroxytoluene (BHT) as a stabilizer. BHT removes the free radicals required for the peroxide formation. THF constitutes the key fragment of various natural products (polyether antibiotics). THF can form a double hydrate with hydrogen sulfide. Crystal structure of this double hydrate has been investigated by three-dimensional single-crystal studies. Butane-1,4-diol is formed as an intermediate during the synthesis of THF. Hot THF is useful for the dissolution of polyvinylidene chloride (PVDV).
Application
Tetrahydrofuran may be used for the dissolution of poly-ε-caprolactone (PCL) and 1,3-diaminopentane, during the preparation of poly-ε-caprolactone (PCL)-hydroxyapatite (HA) scaffolds and acrylate-terminated poly(5-amino-1-pentanol-co-1,4-butanediol diacrylate) (C32)- 1,3-diaminopentane (117) polymer, respectively.
Other Notes
For information on tetrahydrofuran miscibility, please visit the following link:
Tetrahydrofuran Miscibility/Immiscibility Table
Tetrahydrofuran Miscibility/Immiscibility Table
signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
target_organs
Respiratory system
supp_hazards
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
1.4 °F - closed cup
flash_point_c
-17.00 °C - closed cup
法规信息
新产品
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