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3,4-二氯苯异氰酸酯

3,4-二氯苯异氰酸酯用途

【用途一】
用作农药、医药中间体，主要用于合成敌草隆、敌稗等除草剂
【用途二】
3，4-二氯苯基异氰酸酯是除草剂利谷隆、灭草隆、敌草隆的中间体。
【用途三】
用作农药中间体，生产利谷隆、敌草隆。

3,4-二氯苯异氰酸酯名称

[ CAS 号 ]:
102-36-3

[ 中文名 ]:
3,4-二氯苯异氰酸酯

[ 英文名 ]:
3,4-Dichlorophenyl isocyanate

[中文别名 ]:

[英文别名 ]:

3,4-DICHLOROPHENYLCARBIMIDE
Dichloroisocyanatobenzene
3,4-Dichlorphenylisocyanat
1,2-dichloro-4-isocyanato-benzene
3,4-DCPI
Isocyanic Acid 3,4-Dichlorophenyl Ester
Isocyanic acid 3,4-d
dcpi
3,4-Dichlorfenylisokyanat
DICHLOROPHENYL ISOCYANATES

3,4-二氯苯异氰酸酯物理化学性质

[ 密度 ]:
1.4±0.1 g/cm3

[ 沸点 ]:
233.6±0.0 °C at 760 mmHg

[ 熔点 ]:
41-43 °C(lit.)

[ 分子式 ]:
C₇H₃Cl₂NO

[ 分子量 ]:
188.011

[ 闪点 ]:
106.1±12.4 °C

[ 精确质量 ]:
186.959167

[ PSA ]:
29.43000

[ LogP ]:
4.01

[ 外观性状 ]:
透明蜡质固体

[ 蒸汽压 ]:
0.1±0.4 mmHg at 25°C

[ 折射率 ]:
1.575

[ 储存条件 ]:
库房通风低温干燥,与氧化剂,酸类,食品分开储运

[ 水溶解性 ]:
decomposes

3,4-二氯苯异氰酸酯MSDS

详细MSDS(安全技术说明书)

3,4-二氯苯异氰酸酯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NQ8760000

CHEMICAL NAME :: Isocyanic acid, 3,4-dichlorophenyl ester

CAS REGISTRY NUMBER :: 102-36-3

BEILSTEIN REFERENCE NO. :: 0608325

LAST UPDATED :: 199801

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C7-H3-Cl2-N-O

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 :: 91 mg/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: OTS0528439

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

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2700 mg/m3/4H

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - ataxia Gastrointestinal - changes in structure or function of salivary glands

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571316

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/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: OTS0533572

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 100 mg/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: OTS0538092

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

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 140 mg/m3/2H

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

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,931,1986 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 0.3 mg/m3;Skin JAN 1993

3,4-二氯苯异氰酸酯安全信息

[ 符号 ]:

GHS06, GHS08

[ 信号词 ]:
Danger

[ 危害声明 ]:
H301-H315-H317-H319-H332-H334-H335

[ 警示性声明 ]:
P261-P280-P301 + P310-P305 + P351 + P338-P342 + P311

[ 个人防护装备 ]:
Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges

[ 危害码 (欧洲) ]:
T:Toxic

[ 风险声明 (欧洲) ]:
R23;R36/37/38;R42

[ 安全声明 (欧洲) ]:
S22-S26-S36/37/39-S45

[ 危险品运输编码 ]:
UN 2250 6.1/PG 2

[ WGK德国 ]:
2

[ RTECS号 ]:
NQ8760000

[ 包装等级 ]:
II

[ 危险类别 ]:
6.1

[ 海关编码 ]:
29291090

3,4-二氯苯异氰酸酯合成路线

详细合成路线

3,4-二氯苯异氰酸酯上下游产品

3,4-二氯苯异氰酸酯上游产品

3,4-二氯苯异氰酸酯下游产品

3,4-二氯苯异氰酸酯制备

其制备方法是在反应釜内加入甲苯为溶剂，冷却下通入一定量的光气，然后滴加3，4-二氯苯胺的甲苯溶液，并不断搅拌一定时间，控制反应温度在0～3℃，然后移至热反应锅继续不断通入光气，并加热到一定温度，此时有大量的氯化氢和光气逸出，用甲苯吸收，尾气进尾气处理装置，通过溶液变成透明液，反应结束用氮气赶去剩余的光气和氯化氢，然后移到蒸馏釜，蒸去溶剂即得成品。

3,4-二氯苯异氰酸酯海关

[ 海关编码 ]: 2929109000

[ 中文概述 ]:
2929109000. 其他异氰酸酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

3,4-二氯苯异氰酸酯文献

Carbonic anhydrase inhibitors-Part 49: Synthesis of substituted ureido and thioureido derivatives of aromatic/heterocyclic sulfonamides with increased affinities for isozyme I. Supuran CT, et al.

Eur. J. Med. Chem. 33(2) , 83-93, (1998)

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