33857-26-0

• 常用中文名：2,7-二氯二苯并-对-二恶英
• 常用英文名：2,7-Dichlorooxanthrene
• CAS号：33857-26-0
• 分子式：C₁₂H₆Cl₂O₂
• 分子量：253.081
• 发布时间：2018-02-16 08:00:00
• 更新时间：2026-07-15 16:18:22

名称

• 中文名: 2,7-二氯二苯并-对-二恶英
• 英文名: 2,7-Dichlorodibenzo-p-dioxin
• 中文别名: 2,7-二氯二苯并二恶英; 2,7-二苯并二氯对二恶英; 2,7-Dichlorodibenzo-p-dioxin 1. 50.0 μg/mL 2,7-二氯二苯并二恶英; 2,7-二氯二恶英; 2,7-二氯二恶
• 英文别名: e)(1,4)dioxin,2,7-dichloro-dibenzo(; 2,7-dichlorodibenzo[b,e][1,4]dioxine; 2,7-dichlorobenzodioxin; 2,7-dichloro-dibenzo-p-dioxi; 2,7-DCDD; 2,7-DICHLORODIBENZO-P-DIOXIN (50 UG/ML IN ISOOCTANE); 2,7-Dichlorodibenzodioxin; 2,7-Dichlorodibenzo[b,e][1,4]dioxin; DCDD; 2,7-dichloro-p-dibenzodioxin; NCI-C03667; Dibenzo-p-dioxin,2,7-dichloro; 2,7-dichlorodibenzo-4-dioxin; Dibenzo-p-dioxin, 2,7-dichloro; caswellno302ab; 2,7-Dichlorodibenzo-p-dioxin @50 μg/mL in Isooctane; Dibenzo[b,E][1,4]dioxin, 2,7-dichloro; 2,7-DICHLOROBENZO-PA-DIOXIN; 2,7-dichlorobenzo-p-dioxin; 2,7-Dichlorodibenzo-4-dioxin; 2,7-Dibenzodichloro-p-dioxin; 2,5-DIMETHYL-THIOPHENE-3-CARBALDEHYDE; 2,7-DICHLORODIBENZO-PA-DIOXIN; Dcdd

物化性质

• 密度: 1.5±0.1 g/cm3
• 沸点: 350.2±42.0 °C at 760 mmHg
• 分子式: C₁₂H₆Cl₂O₂
• 分子量: 253.081
• 闪点: 140.2±28.0 °C
• 精确质量: 251.974487
• PSA: 18.46000
• LogP: 5.82
• 蒸汽压: 0.0±0.7 mmHg at 25°C
• 折射率: 1.643

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : HP3100000 CHEMICAL NAME : Dibenzo-p-dioxin, 2,7-dichloro- CAS REGISTRY NUMBER : 33857-26-0 BEILSTEIN REFERENCE NO. : 0017641 LAST UPDATED : 199806 DATA ITEMS CITED : 15 MOLECULAR FORMULA : C12-H6-Cl2-O2 MOLECULAR WEIGHT : 253.08 WISWESSER LINE NOTATION : T C666 BO IOJ EG LG HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : Standard Draize test ROUTE OF EXPOSURE : Administration into the eye SPECIES OBSERVED : Rodent - rabbit REFERENCE : EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 5,87,1973 ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 378 gm/kg/90W-C TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors Blood - leukemia REFERENCE : NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD) No.0-205. For publisher information, see NTPTR*. Volume(issue)/page/year: NCI-TR-123,1979 TYPE OF TEST : TD - Toxic dose (other than lowest) ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 756 gm/kg/90W-C TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors Blood - leukemia REFERENCE : NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD) No.0-205. For publisher information, see NTPTR*. Volume(issue)/page/year: NCI-TR-123,1979 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral DOSE : 5 mg/kg SEX/DURATION : female 6-15 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system REFERENCE : ADCSAJ Advances in Chemistry Series. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) No.1- 1950- Volume(issue)/page/year: 120,70,1973 *** REVIEWS *** IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 15,41,1977 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 15,41,1977 IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 69,33,1997 IARC Cancer Review:Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 69,33,1997 TOXICOLOGY REVIEW TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 3,187,1975 TOXICOLOGY REVIEW RPZHAW Roczniki Panstwowego Zakladu Higieny. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.1- 1950- Volume(issue)/page/year: 26,623,1975 TOXICOLOGY REVIEW MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 47,141,1978

安全

• 危险品运输编码: UN 3077
• 海关编码: 2932999060

合成路线

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海关

海关编码	2932999060
中文概述	2932999060. 二恶因，呋喃（多氯二苯并对二恶因，多氯二苯并呋喃）. 增值税率:17.0%. 退税率:13.0%. 监管条件:89(禁止出口商品,禁止进口商品). 最惠国关税:6.5%. 普通关税:20.0%
申报要素	品名, 成分含量, 用途
监管条件	8.禁止出口商品 9.禁止进口商品
Summary	2932999060. Dioxin,Furan(polychorinated dibenzo-p-dioxines,polychlorinated dibenzofurans). VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:89(articles on the list of prohibited export goods,articles on the list of prohibited import goods). MFN tariff:6.5%. General tariff:20.0%