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2,5-二氟苯酚

2,5-二氟苯酚用途

【用途一】
医药、农药、液晶材料中间体。

2,5-二氟苯酚名称

[ CAS 号 ]:
2713-31-7

[ 中文名 ]:
2,5-二氟苯酚

[ 英文名 ]:
2,5-Difluorophenol

[中文别名 ]:

2,4-二氟硝基苯

[英文别名 ]:

2,5-difluoro-phenol
2,5-diflurophenol
1,4-Difluoro-2-hydroxybenzene
QR BF EF
5-Difluorophenol
Phenol,2,5-difluoro
3,6-difluorophenol
2,5-Difluorphenol
MFCD00042501
2,5-Difluorophenol

2,5-二氟苯酚物理化学性质

[ 密度 ]:
1.4±0.1 g/cm3

[ 沸点 ]:
157.1±20.0 °C at 760 mmHg

[ 熔点 ]:
40-42 °C(lit.)

[ 分子式 ]:
C₆H₄F₂O

[ 分子量 ]:
130.092

[ 闪点 ]:
53.3±0.0 °C

[ 精确质量 ]:
130.023026

[ PSA ]:
20.23000

[ LogP ]:
2.23

[ 外观性状 ]:
白色至黄色固体,晶体或大块

[ 蒸汽压 ]:
2.2±0.3 mmHg at 25°C

[ 折射率 ]:
1.496

[ 储存条件 ]:
Flammables area

[ 水溶解性 ]:
slightly soluble

2,5-二氟苯酚MSDS

2,5-二氟苯酚安全信息

[ 符号 ]:

GHS02, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H228-H302 + H312 + H332-H315-H319-H335

[ 警示性声明 ]:
P210-P261-P280-P305 + P351 + P338

[ 个人防护装备 ]:
Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ 危害码 (欧洲) ]:
F:Flammable;C:Corrosive;

[ 风险声明 (欧洲) ]:
R11;R20/21/22;R34

[ 安全声明 (欧洲) ]:
S16-S26-S36/37-S45-S36/37/39

[ 危险品运输编码 ]:
UN 1325 4.1/PG 2

[ WGK德国 ]:
3

[ 包装等级 ]:
II

[ 危险类别 ]:
4.1

[ 海关编码 ]:
2908199090

2,5-二氟苯酚合成路线

2,5-二氟苯酚上下游产品

2,5-二氟苯酚上游产品

2,5-二氟苯酚下游产品

2,5-二氟苯酚海关

[ 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%

2,5-二氟苯酚文献

Preferential oxidative dehalogenation upon conversion of 2-halophenols by Rhodococcus opacus 1G.

FEMS Microbiol. Lett. 181(1) , 73-82, (1999)

The regiospecificity of hydroxylation of C2-halogenated phenols by Rhodococcus opacus 1G was investigated. Oxidative defluorination at the C2 position ortho with respect to the hydroxyl moiety was pre...

The regioexhaustive functionalization of difluorophenols and trifluorophenols through organometallic intermediates. Marzi E, et al.

Synthesis 2004(10) , 1609-18, (2004)

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