ChemicalBook--->CAS DataBase List--->40321-76-4

40321-76-4

40321-76-4 Structure

40321-76-4 Structure
IdentificationBack Directory
[Name]

1,2,3,7,8-PENTACHLORODIBENZO-P-DIOXIN
[CAS]

40321-76-4
[Synonyms]

1,2,3,7,8-PCDD
1,2,3,7,8-PNCDD
1,2,3,7,8-PECDD
1,2,3,7,8-Pentachlorooxanthrene
1,2,3,7,8-PENTACHLORODIBENZODIOXIN
1,2,3,7,8-pentachloro-dibenzo-p-dioxi
Pentachlorobenzo-p-dioxin, 1,2,3,7,8-
2,3,4,7,8-Pentachlorodibenzo[1,4]dioxin
1,2,3,7,8-PENTACHLORODIBENZO-PARA-DIOXIN
Dibenzo-p-dioxin, 1,2,3,7,8-pentachloro-
1,2,3,7,8-Pentachlorodibenzo[b,e][1,4]dioxin
Dibenzo[b,e][1,4]dioxin, 1,2,3,7,8-pentachloro-
[Molecular Formula]

C12H3Cl5O2
[MDL Number]

MFCD01310419
[MOL File]

40321-76-4.mol
[Molecular Weight]

356.42
Chemical PropertiesBack Directory
[Melting point ]

206°C (estimate)
[Boiling point ]

442.63°C (rough estimate)
[density ]

1.7800 (estimate)
[refractive index ]

1.6610 (estimate)
[solubility ]

n-nonane: Soluble
[EPA Substance Registry System]

1,2,3,7,8-Pentachlorodibenzo-p-dioxin (40321-76-4)
Safety DataBack Directory
[RIDADR ]

2811
[HazardClass ]

6.1(a)
[PackingGroup ]

I
[Toxicity]

LD50 orl-rat: 206 mg/kg ARTODN 66,471,92
Hazard InformationBack Directory
[Uses]

A toxic polychlorinated dibenzo-p-dioxin detected in domestic meat and poultry.
[Definition]

ChEBI: 1,2,3,7,8-Pentachlorodibenzodioxin is a polychlorinated dibenzodioxine.
[Safety Profile]

Poison by ingestion. Questionable carcinogen. When heated to decomposition it emits toxic fumes of Clí.
[References]

[1] KARIN I. VAN EDE. Differential relative effect potencies of some dioxin-like compounds in human peripheral blood lymphocytes and murine splenic cells[J]. Toxicology letters, 2014, 226 1: Pages 43-52. DOI: 10.1016/j.toxlet.2014.01.026
[2] RAIMO POHJANVIRTA  Jouko T  Mikko Unkila. Comparative Acute Lethality of 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD), 1,2,3,7,8-Pentachlorodibenzo-p-dioxin and 1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin in the Most TCDD-Susceptible and the Most TCDD-Resistant Rat Strain[J]. Basic & Clinical Pharmacology & Toxicology, 1993, 73 1: 52-56. DOI: 10.1111/j.1600-0773.1993.tb01958.x
[3] TIMOTHY ZACHAREWSKI. Comparative analysis of polychlorinated dibenzo-p-dioxin and dibenzofuran congeners in Great Lakes fish extracts by gas chromatography-mass spectrometry and in vitro enzyme induction activities[J]. 环境科学与技术, 1989, 23 6: 730-735. DOI: 10.1021/es00064a012
[4] M. PAJUREK  S. M  M Warenik Bany. Feed as a source of dioxins and PCBs[J]. Chemosphere, 2022, 308: Article 136243. DOI: 10.1016/j.chemosphere.2022.136243
[5] SUH-WOAN HU  Chang C C  Guo Ping ChangChien. PCDD/Fs levels in indoor environments and blood of workers of three municipal waste incinerators in Taiwan[J]. Chemosphere, 2004, 55 4: Pages 611-620. DOI: 10.1016/j.chemosphere.2003.10.057
[6] TUNG SON VU . Polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans in blood samples from historically herbicide-sprayed areas and rural and industrialized unsprayed areas in Vietnam[J]. Chemosphere, 2023, 326: Article 138331. DOI: 10.1016/j.chemosphere.2023.138331
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