18964-31-3

• 常用中文名：2,3-dichloro-5-(dichloromethylidene)cyclopent-2-ene-1,4-dione
• 常用英文名：2,3-dichloro-5-(dichloromethylidene)cyclopent-2-ene-1,4-dione
• CAS号：18964-31-3
• 分子式：C₆Cl₄O₂
• 分子量：245.87500
• 发布时间：2017-12-01 18:37:13
• 更新时间：2024-02-07 19:57:48

名称

• 英文名: 4,5-dichloro-2-(dichloromethylidene)cyclopent-4-ene-1,3-dione
• 英文别名: 4,5-Dichlor-2-dichlormethylen-cyclopent-4-en-1,3-dion; perchloro-2-methylene-4-cyclopentene-1,3-dione; Diketone; 2,3-dichloro-5-dichloromethylene-2-cyclopentene-1,4-dione; perchloro-5-methylene-2-cyclopentene-1,4-dione; 4,5-dichloro-2-dichloromethylene-4-cyclopentene-1,3-dione; 4,5-dichloro-2-dichloromethylene-cyclopent-4-ene-1,3-dione

物化性质

• 密度: 1.8g/cm3
• 沸点: 271.4ºC at 760 mmHg
• 分子式: C₆Cl₄O₂
• 分子量: 245.87500
• 闪点: 112.5ºC
• 精确质量: 243.86500
• PSA: 34.14000
• LogP: 2.51660
• 蒸汽压: 0.00648mmHg at 25°C
• 折射率: 1.595

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : GY5976700 CHEMICAL NAME : 4-Cyclopentene-1,3-dione, 4,5-dichloro-2-(dichloromethylene)- CAS REGISTRY NUMBER : 18964-31-3 BEILSTEIN REFERENCE NO. : 2092813 LAST UPDATED : 199612 DATA ITEMS CITED : 6 MOLECULAR FORMULA : C6-Cl4-O2 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 : 2300 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 32(3),48,1988 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 55 mg/m3 TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 32(3),48,1988 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 940 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 32(3),48,1988 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 54 mg/m3 TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 32(3),48,1988 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 980 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 32(3),48,1988 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 53 mg/m3 TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 32(3),48,1988

安全

• 海关编码: 2914700090

合成路线

3424-05-3 ~% 18964-31-3

文献：McBee et al. Journal of the American Chemical Society, 1955 , vol. 77, p. 4379

3424-05-3 7697-37-2 ~% 17218-59-6 18964-31-3

文献：McBee et al. Journal of the American Chemical Society, 1955 , vol. 77, p. 4379

海关

海关编码	2914700090
中文概述	2914700090 其他酮及醌的卤化、磺化衍生物（包括硝化和亚硝化衍生物）. 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, 丙酮报明包装
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%