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1,4-二氟苯

1,4-二氟苯用途

用作医药中间体
医药、农药、液晶材料中间体

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1,4-二氟苯名称

[ CAS 号 ]:
540-36-3

[ 中文名 ]:
1,4-二氟苯

[ 英文名 ]:
1,4-Difluorobenzene

[中文别名 ]:

[英文别名 ]:

1,4-Difluorobenzene
2,5-difluorobenzene
Benzene, 1,4-difluoro-
FR DF BVR
p-Difluorobenzene
para-Difluorobenzene
MFCD00000344
Benzene,p-difluoro
EINECS 208-742-9
1.4-difluorobenzene

1,4-二氟苯物理化学性质

[ 密度 ]:
1.2±0.1 g/cm3

[ 沸点 ]:
90.4±13.0 °C at 760 mmHg

[ 熔点 ]:
-13 °C

[ 分子式 ]:
C₆H₄F₂

[ 分子量 ]:
114.093

[ 闪点 ]:
2.2±0.0 °C

[ 精确质量 ]:
114.028107

[ LogP ]:
2.39

[ 外观性状 ]:
透明无色至淡黄色液体

[ 蒸汽压 ]:
63.6±0.2 mmHg at 25°C

[ 折射率 ]:
1.449

[ 储存条件 ]:
库房通风低温干燥,与氧化剂分开储运存放

1,4-二氟苯MSDS

1,4-二氟苯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CZ5658000

CHEMICAL NAME :: Benzene, p-difluoro-

CAS REGISTRY NUMBER :: 540-36-3

LAST UPDATED :: 199709

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C6-H4-F2

MOLECULAR WEIGHT :: 114.10

WISWESSER LINE NOTATION :: FR DF

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 55 gm/m3/2H

TOXIC EFFECTS :: Brain and Coverings - recordings from specific areas of CNS

REFERENCE :: IZSBAI Izvestiya Sibirskogo Otdeleniya Akademii Nauk SSSR, Seriya Biologomeditsinskikh Nauk. (Novosibirsk, USSR) No.1-3, 1963-68. For publisher information, see ISBNBN. Volume(issue)/page/year: 3,91,1965

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1,4-二氟苯安全信息

[ 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;R20

[ 安全声明 (欧洲) ]:
S16-S29-S33-S7-S45-S36/37

[ 危险品运输编码 ]:
UN 1993 3/PG 2

[ WGK德国 ]:
3

[ RTECS号 ]:
CZ5658000

[ 包装等级 ]:
II

[ 危险类别 ]:
3

[ 海关编码 ]:
29036990

1,4-二氟苯合成路线

1,4-二氟苯上下游产品

1,4-二氟苯上游产品

1,4-二氟苯下游产品

1,4-二氟苯海关

[ 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%

1,4-二氟苯文献

Prediction of convulsant activity of gases and vapors.

Eur. J. Med. Chem. 44 , 885-90, (2009)

The convulsant activity of 48 compounds studied by Eger et al. has been analyzed using an Abraham solvation equation. Four compounds identified by Eger et al. as more potent than expected were similar...

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