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2-溴-4,5-二氟苯酚

2-溴-4,5-二氟苯酚用途

【用途一】
医药、农药、液晶材料中间体。

2-溴-4,5-二氟苯酚名称

[ CAS 号 ]:
166281-37-4

[ 中文名 ]:
2-溴-4,5-二氟苯酚

[ 英文名 ]:
2-Bromo-4,5-difluorophenol

[英文别名 ]:

2-bromo-4,5-diflouo phenol
QR CF DF FE
MFCD00070751
2-Bromo-4,5-difluorophenol
Phenol, 2-bromo-4,5-difluoro-

2-溴-4,5-二氟苯酚物理化学性质

[ 密度 ]:
1.9±0.1 g/cm3

[ 沸点 ]:
208.8±35.0 °C at 760 mmHg

[ 分子式 ]:
C₆H₃BrF₂O

[ 分子量 ]:
208.988

[ 闪点 ]:
81.1±0.0 °C

[ 精确质量 ]:
207.933533

[ PSA ]:
20.23000

[ LogP ]:
3.04

[ 蒸汽压 ]:
0.1±0.4 mmHg at 25°C

[ 折射率 ]:
1.550

[ 储存条件 ]:
室温

2-溴-4,5-二氟苯酚MSDS

详细MSDS(安全技术说明书)

2-溴-4,5-二氟苯酚安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H315-H319-H335

[ 警示性声明 ]:
P261-P305 + P351 + P338

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

[ 危害码 (欧洲) ]:
Xi:Irritant;

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36/37/39

[ WGK德国 ]:
3

[ 海关编码 ]:
2908199090

2-溴-4,5-二氟苯酚海关

[ 海关编码 ]: 2908199090

[ 中文概述 ]:
HS:2908199090 其他酚及酚醇的仅含卤素取代基的衍生物及其盐增值税率:17.0% 退税率:9.0% 监管条件:无最惠国关税:5.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
HS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0%

2-溴-4,5-二氟苯酚文献

Palladium-catalyzed cocyclotrimerization of allenes with arynes: selective synthesis of phenanthrenes.

J. Org. Chem. 74(8) , 3199-202, (2009)

Palladium-catalyzed cocyclotrimerization of allenes with arynes has been developed for selectively synthesizing phenanthrenes. In the presence of [(allyl)PdCl](2) and P(o-tol)(3), a variety of allenes...

Efficient Palladium-Catalyzed Cyclotrimeriza-tion of Arynes: Synthesis of Triphenylenes PenÄa D, et al.

Angew. Chem. Int. Ed. Engl. 37 , (1998)

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