<生产厂家价格>

1-乙炔基-2,4-二氟苯

1-乙炔基-2,4-二氟苯用途

液晶(LC)砌块

1-乙炔基-2,4-二氟苯名称

[ CAS 号 ]:
302912-34-1

[ 中文名 ]:
1-乙炔基-2,4-二氟苯

[ 英文名 ]:
BENZENE, 1-ETHYNYL-2,4-DIFLUORO-

[英文别名 ]:

2,4-difluorophenylethyne
1-ethynyl-2,4-difluoro-benzene
(2,4-difluorophenyl)acetylene
2,4-difluoroethynylbenzene
4-(2,4-difluorophenyl)but-3-yn-2-ol
MFCD02093726

1-乙炔基-2,4-二氟苯物理化学性质

[ 密度 ]:
1.17g/cm3

[ 沸点 ]:
134.7ºC at 760 mmHg

[ 熔点 ]:
29-32ºC(lit.)

[ 分子式 ]:
C₈H₄F₂

[ 分子量 ]:
138.11400

[ 闪点 ]:
92 °F

[ 精确质量 ]:
138.02800

[ LogP ]:
1.94610

[ 外观性状 ]:
固体;White or Colorless to Yellow to Orange powder to lump to clear liquid

[ 折射率 ]:
1.492

[ 储存条件 ]:
2-8°C

1-乙炔基-2,4-二氟苯安全信息

[ 符号 ]:

GHS02, GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H228-H315-H319-H335

[ 警示性声明 ]:
P210-P280-P304 + P340 + P312-P305 + P351 + P338-P337 + P313

[ 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) ]:
Xi: Irritant;

[ 风险声明 (欧洲) ]:
10-36/37/38

[ 安全声明 (欧洲) ]:
16-26-36

[ 危险品运输编码 ]:
UN 1325 4.1/PG 3

[ WGK德国 ]:
3

[ 包装等级 ]:
III

[ 危险类别 ]:
4.1

[ 海关编码 ]:
2903999090

1-乙炔基-2,4-二氟苯上下游产品

1-乙炔基-2,4-二氟苯上游产品

1-乙炔基-2,4-二氟苯下游产品

1-乙炔基-2,4-二氟苯海关

[ 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%

1-乙炔基-2,4-二氟苯文献

Synthesis of glycidyl triazolyl polymers using click chemistry. Jung JH, et al.

Tetrahedron Lett. 48(37) , 6442-6448, (2007)

Sulfonated poly (arylene ether) membranes containing perfluorocyclobutyl and ethynyl groups: Increased mechanical strength through chain extension and crosslinking. Lee SB, et al.

J. Membr. Sci. 456 , 49-56, (2014)

Synthesis of 3, 4, 5-Trisubstituted Isoxazoles through Gold-Catalyzed Cascade Cyclization- Oxidative Alkynylation and Cyclization-Fluorination of 2-Alkynone O-Methyloximes. Song D-H and Ryu J-S.

Bull. Korean Chem. Soc. 35(9) , 2635-2644, (2014)

更多文献