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四氢吡喃

四氢吡喃用途

用作医药中间体

四氢吡喃名称

[ CAS 号 ]:
142-68-7

[ 中文名 ]:
四氢吡喃

[ 英文名 ]:
Tetrahydropyran

[中文别名 ]:

[英文别名 ]:

2H-Tetrahydropyran
Tetrahydropyran
UNII-V06I3ILG6B
1,5-EPOXYPENTANE
Etrahydropyran
Tetarhydropyran
4,5-dihydro-2H-pyran
tetrahydro-4H-pyran
tetrahydropyrane
OXACYCLOHEXANE

四氢吡喃物理化学性质

[ 密度 ]:
0.9±0.1 g/cm3

[ 沸点 ]:
88.0±0.0 °C at 760 mmHg

[ 熔点 ]:
−45 °C(lit.)

[ 分子式 ]:
C₅H₁₀O

[ 分子量 ]:
86.132

[ 闪点 ]:
-15.6±0.0 °C

[ 精确质量 ]:
86.073166

[ PSA ]:
9.23000

[ LogP ]:
0.89

[ 外观性状 ]:
无色至淡黄色液体

[ 蒸汽密度 ]:
3 (vs air)

[ 蒸汽压 ]:
70.1±0.1 mmHg at 25°C

[ 折射率 ]:
1.420

[ 储存条件 ]:
Flammables area

[ 水溶解性 ]:
80 g/L (25 ºC)

四氢吡喃MSDS

四氢吡喃安全信息

[ 符号 ]:

GHS02, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H225-H315-H319-H335

[ 补充危害声明 ]:
May form explosive peroxides.

[ 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;Xi:Irritant;

[ 风险声明 (欧洲) ]:
R11;R19;R9;R36/37/38

[ 安全声明 (欧洲) ]:
S9-S16-S26-S33-S36

[ 危险品运输编码 ]:
UN 1993 3/PG 2

[ WGK德国 ]:
3

[ 包装等级 ]:
II

[ 危险类别 ]:
3

[ 海关编码 ]:
2932999099

四氢吡喃合成路线

四氢吡喃上下游产品

四氢吡喃上游产品

四氢吡喃下游产品

四氢吡喃海关

[ 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%

四氢吡喃文献

Structurally and stereochemically diverse tetrahydropyran synthesis through oxidative C-H bond activation.

Angew. Chem. Int. Ed. Engl. 49(17) , 3069-72, (2010)

A SURGICAL APPROACH TO LARGE SUBRETINAL HEMORRHAGE USING PARS PLANA VITRECTOMY AND 360° RETINOTOMY.

Retina (Philadelphia, Pa.) 35 , 1631-9, (2015)

To evaluate the surgical approach of pars plana vitrectomy combined with 360° retinotomy and silicon oil tamponade in the treatment of patients with large subretinal hemorrhage.Prospective, nonrandomi...

Long-term heavy silicone oil intraocular tamponade.

Int. Ophthalmol. 36 , 07-Mar, (2016)

Heavy silicone oil tamponade is intended to be temporary, but may occasionally be indefinite in patients who refuse, or are deemed unsuitable for, further surgery. The aim of this study is to compare ...

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