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2,4-二氟甲苯

2,4-二氟甲苯用途

【用途一】
医药、农药、液晶材料中间体。

2,4-二氟甲苯名称

[ CAS 号 ]:
452-76-6

[ 中文名 ]:
2,4-二氟甲苯

[ 英文名 ]:
2,4-Difluorotoluene

[英文别名 ]:

Benzene, 2,4-difluoro-1-methyl-
EINECS 207-211-9
2,4-Difluoro-1-methylbenzene
2,4-Difluorotoluene
MFCD00000332
FR CF D1
2,4-Difluoro toluene

2,4-二氟甲苯物理化学性质

[ 密度 ]:
1.1±0.1 g/cm3

[ 沸点 ]:
114.7±20.0 °C at 760 mmHg

[ 分子式 ]:
C₇H₆F₂

[ 分子量 ]:
128.119

[ 闪点 ]:
15.0±0.0 °C

[ 精确质量 ]:
128.043762

[ LogP ]:
2.82

[ 外观性状 ]:
透明无色液体

[ 蒸汽压 ]:
23.4±0.2 mmHg at 25°C

[ 折射率 ]:
1.457

[ 储存条件 ]:
Flammables area

2,4-二氟甲苯MSDS

2,4-二氟甲苯安全信息

[ 符号 ]:

GHS02

[ 信号词 ]:
Danger

[ 危害声明 ]:
H225

[ 警示性声明 ]:
P210

[ 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

[ 安全声明 (欧洲) ]:
S16-S29-S33

[ 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 ]:
2903999090

2,4-二氟甲苯合成路线

2,4-二氟甲苯上下游产品

2,4-二氟甲苯上游产品

2,4-二氟甲苯下游产品

2,4-二氟甲苯海关

[ 海关编码 ]: 2903999090

[ 中文概述 ]:
2903999090 其他芳烃卤化衍生物. 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 ]:
2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

2,4-二氟甲苯文献

A thymine isostere in the templating position disrupts assembly of the closed DNA polymerase beta ternary complex.

Biochemistry 44(46) , 15230-7, (2005)

The high fidelity of the DNA polymerization process is critically important for the stability of the cellular genome. The role of template and incoming nucleotide base pairing in polymerase fidelity h...

Importance of terminal base pair hydrogen-bonding in 3'-end proofreading by the Klenow fragment of DNA polymerase I.

Biochemistry 39(10) , 2626-32, (2000)

We describe studies aimed at evaluating the physical factors governing the rate of 3'-end proofreading by the Klenow fragment of E. coli DNA polymerase I. Two nonpolar deoxynucleoside isosteres contai...

Nonpolar nucleobase analogs illuminate requirements for site-specific DNA cleavage by vaccinia topoisomerase.

J. Biol. Chem. 281(47) , 35914-21, (2006)

Vaccinia DNA topoisomerase forms a covalent DNA-(3'-phosphotyrosyl)-enzyme intermediate at a specific target site 5'-C(+5)C(+4)C(+3)T(+2)T(+1)p downward arrow N(-1) in duplex DNA. Here we study the ef...

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