3,4-二氢-2H-吡喃

3,4-二氢-2H-吡喃用途

【用途一】
用作医药中间体
【用途二】
二氢吡喃化学性质活泼，通过聚合、加氢、氧化等反应可制得四氢吡喃、戊二醇、戊二酸、戊内酯、戊二烯以及树脂类产品。
【用途三】
广泛地用于OH保护试剂。二氢吡喃化学性质活泼，通过聚合、加氢、氧化等反应可制得四氢吡喃、戊二醇、戊二酸、戊内酯、戊二烯以及树脂类产品。

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3,4-二氢-2H-吡喃名称

[ CAS 号 ]:
110-87-2

[ 中文名 ]:
3,4-二氢-2H-吡喃

[ 英文名 ]:
3,4-Dihydro-2H-pyran

[中文别名 ]:

[英文别名 ]:

DIHYDROPYRANE
Pyran, 2,3-dihydro-
3,4-2H-dihydropyran
5,6-DIHYDRO-4H-PYRAN
Dihydro-2H-pyran
2,3-dihydropyran
pyran,dihydro
DHP
2,3-Dihydro-4H-pyran
EINECS 203-810-4

3,4-二氢-2H-吡喃物理化学性质

[ 密度 ]:
0.9±0.1 g/cm3

[ 沸点 ]:
86.5±0.0 °C at 760 mmHg

[ 熔点 ]:
−70 °C(lit.)

[ 分子式 ]:
C₅H₈O

[ 分子量 ]:
84.116

[ 闪点 ]:
-15.6±0.0 °C

[ 精确质量 ]:
84.057518

[ PSA ]:
9.23000

[ LogP ]:
0.69

[ 外观性状 ]:
无色液体

[ 蒸汽密度 ]:
2.9 (vs air)

[ 蒸汽压 ]:
74.4±0.1 mmHg at 25°C

[ 折射率 ]:
1.447

[ 储存条件 ]:
Flammables area

[ 水溶解性 ]:
20 g/L (20 ºC)

3,4-二氢-2H-吡喃MSDS

3,4-二氢-2H-吡喃安全信息

[ 符号 ]:

GHS02, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H225-H315-H319-H335

[ 警示性声明 ]:
P210-P261-P305 + P351 + P338

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
F:Flammable

[ 风险声明 (欧洲) ]:
R11;R36/38

[ 安全声明 (欧洲) ]:
S16-S26-S36-S37/39

[ 危险品运输编码 ]:
UN 2376 3/PG 2

[ WGK德国 ]:
3

[ 包装等级 ]:
II

[ 危险类别 ]:
3

[ 海关编码 ]:
29329995

3,4-二氢-2H-吡喃合成路线

3,4-二氢-2H-吡喃上下游产品

3,4-二氢-2H-吡喃上游产品

3,4-二氢-2H-吡喃下游产品

3,4-二氢-2H-吡喃制备

由四氢糠醇脱水、扩环而得。

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3,4-二氢-2H-吡喃海关

[ 海关编码 ]: 2932999099

[ 中文概述 ]:
2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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