3,4-二氯三氟甲苯

3,4-二氯三氟甲苯用途

【用途一】
用作农药除草剂、医药中间体
【用途二】
3，4-二氯三氟甲基苯是含氟二苯醚类除草剂的关键中间体，可用于合成三氟羧草醚、氟磺胺草醚、乙氧氟草醚等除草剂，并可用作杀虫剂氟虫腈的中间体。
【用途三】
农药、医药中间体。用作合成二苯醚类含氟除草剂的中间体。用于合成乳氟禾草灵，氟黄胺草醚、乙羧氟草醚等。

3,4-二氯三氟甲苯名称

[ CAS 号 ]:
328-84-7

[ 中文名 ]:
3,4-二氯三氟甲苯

[ 英文名 ]:
3,4-Dichlorobenzotrifluoride

[中文别名 ]:

[英文别名 ]:

1,2-dichloro-4-trifluoromethylbenzene
3,4-Dichlorotrifluorobenzene
3,4-Dichlorobenzotri
EINECS 206-337-1
3,4-DCBTE
3,4-Dichlorobenzotrifluoride
3,4-Dichlorobenzenetrifluride
1,2-Dichloro-4-(trifluoromethyl)benzene
4-Trifluoromethyl-1,2-dichlorobenzene
3,4-dichlorotrifluoromethylbenzene

3,4-二氯三氟甲苯物理化学性质

[ 密度 ]:
1.5±0.1 g/cm3

[ 沸点 ]:
175.9±35.0 °C at 760 mmHg

[ 熔点 ]:
−13-−12 °C(lit.)

[ 分子式 ]:
C₇H₃Cl₂F₃

[ 分子量 ]:
215.000

[ 闪点 ]:
65.6±0.0 °C

[ 精确质量 ]:
213.956390

[ LogP ]:
4.12

[ 外观性状 ]:
无色至淡黄色液体

[ 蒸汽压 ]:
1.5±0.3 mmHg at 25°C

[ 折射率 ]:
1.471

[ 储存条件 ]:
室温

3,4-二氯三氟甲苯MSDS

详细MSDS(安全技术说明书)

3,4-二氯三氟甲苯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CZ5527510

CHEMICAL NAME :: Benzene, 1,2-dichloro-4-(trifluoromethyl)-

CAS REGISTRY NUMBER :: 328-84-7

LAST UPDATED :: 199712

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C7-H3-Cl2-F3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1960 uL/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - other changes

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0526715

TYPE OF TEST :: LC - Lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >15860 mg/m3/4H

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0526717

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 mL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0526760

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >5 gm/kg

TOXIC EFFECTS :: Skin and Appendages - dermatitis, other (after systemic exposure)

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0526750

3,4-二氯三氟甲苯安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
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) ]:
C:Corrosive

[ 风险声明 (欧洲) ]:
R34

[ 安全声明 (欧洲) ]:
S26-S36/37/39-S45

[ 危险品运输编码 ]:
1760

[ WGK德国 ]:
2

[ RTECS号 ]:
CZ5527510

[ 包装等级 ]:
III

[ 危险类别 ]:
8

[ 海关编码 ]:
2903992000

3,4-二氯三氟甲苯合成路线

详细合成路线

3,4-二氯三氟甲苯上下游产品

3,4-二氯三氟甲苯上游产品

3,4-二氯三氟甲苯下游产品

3,4-二氯三氟甲苯制备

1.甲苯法

2.对氯甲苯法原料消耗定额：对氯甲苯（≥98%）900kg/t；氯气2500kg/t；氟化氢500kg/t。3.3,4-二氯三氯甲基苯氟化法该方法产品收率98.4%。

3,4-二氯三氟甲苯海关

[ 海关编码 ]: 2903992000

[ 中文概述 ]:
HS: 2903992000 3,4-二氯三氟甲苯增值税率:17.0% 退税率:9.0% 监管条件:无最低关税:5.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
HS: 2903992000 1,2-dichloro-4-(trifluoromethyl)benzene Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:无 Lowest tariff:5.5% General tariff:30.0%

3,4-二氯三氟甲苯文献

New potent diphenyl ether herbicides.

J. Agric. Food Chem. 23(3) , 592-3, (1975)

Aromatic fluorine chemistry. Part 1. 3, 4-Difluorobenzoic acid and derivatives via 3, 4-difluorobenzotrifluoride. Pews RG, et al.

J. Fluor. Chem. 50(3) , 365-70, (1990)

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