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2,3-二氟苯甲醛

2,3-二氟苯甲醛用途

【用途一】
医药、农药、液晶材料中间体。

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2,3-二氟苯甲醛名称

[ CAS 号 ]:
2646-91-5

[ 中文名 ]:
2,3-二氟苯甲醛

[ 英文名 ]:
2,3-Difluorobenzaldehyde

[中文别名 ]:

2,3-氟苯甲醛

[英文别名 ]:

VHR BF CF
2,3-dufluorobenzaldehyde
BENZALDEHYDE,2,3-DIFLUORO
MFCD00010292
2,3-Difluor-benzaldehyd
2,3-Difluorobenzaldehyde
Benzaldehyde, 2,3-difluoro-
2,3-difluoro-benzaldehyde
difluorobenzaldehyde

2,3-二氟苯甲醛物理化学性质

[ 密度 ]:
1.3±0.1 g/cm3

[ 沸点 ]:
167.3±0.0 °C at 760 mmHg

[ 熔点 ]:
64-65ºC

[ 分子式 ]:
C₇H₄F₂O

[ 分子量 ]:
142.103

[ 闪点 ]:
58.3±0.0 °C

[ 精确质量 ]:
142.023026

[ PSA ]:
17.07000

[ LogP ]:
1.95

[ 外观性状 ]:
透明淡黄色液体

[ 蒸汽压 ]:
1.7±0.3 mmHg at 25°C

[ 折射率 ]:
1.514

[ 储存条件 ]:
Room temperature.

2,3-二氟苯甲醛MSDS

详细MSDS(安全技术说明书)

2,3-二氟苯甲醛安全信息

[ 符号 ]:

GHS02, GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H226-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-S37/39

[ 危险品运输编码 ]:
UN 1989 3/PG 3

[ WGK德国 ]:
3

[ 包装等级 ]:
III

[ 危险类别 ]:
3

[ 海关编码 ]:
2913000090

2,3-二氟苯甲醛上下游产品

2,3-二氟苯甲醛上游产品

2,3-二氟苯甲醛下游产品

2,3-二氟苯甲醛海关

[ 海关编码 ]: 2913000090

[ 中文概述 ]:
2913000090 品目2912所列产品的其他衍生物〔指卤化,磺化,硝化或亚硝化的衍生物〕. 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 ]:
HS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%

2,3-二氟苯甲醛文献

Synthesis and optical resolution of aminophosphines with axially chiral C(aryl)-N(amine) bonds for use as ligands in asymmetric catalysis.

J. Org. Chem. 71(19) , 7346-53, (2006)

N-Aryl indoline-type aminophosphines 1a-c were obtained in good yields by a nucleophilic aromatic substitution (S(N)Ar) reaction followed by silane reduction. Aminophosphine 1d was also prepared from ...

Spectroscopy and dynamics of the excited singlet and triplet states of 2, 3-, 2, 4-and 2, 5-difluorobenzaldehyde vapors. Itoh, T.

J. Mol. Spectrosc. 257(2) , 170-176, (2009)

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