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Octachlorodibenzofuran

HCID 38200
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Basic information

CAS
39001-02-0
Standard SMILES
Clc1c(Cl)c(Cl)c2c(oc3c(Cl)c(Cl)c(Cl)c(Cl)c32)c1Cl
InChIKey
RHIROFAGUQOFLU-UHFFFAOYSA-N
Molecular formula
C12Cl8O
Average molar mass
443.7 g/mol
Monoisotopic mass
439.745736

Overview

1,2,3,4,6,7,8,9-Octachlorodibenzofuran is a polychlorinated dibenzofuran.

Names & identifiers

Preferred name
Octachlorodibenzofuran
IUPAC
1,2,3,4,6,7,8,9-octachlorodibenzofuran
English name
Octachlorodibenzofuran
Molecular formula
C12Cl8O
Molecular weight
443.75

Names & synonyms

OCTACHLORODIBENZOFURAN1,2,3,4,6,7,8,9-Octachlorodibenzofuran39001-02-0PerchlorodibenzofuranDibenzofuran, octachloro-OCDFPCDF 1359C00M3WUEEDTXSID3052062RefChem:167549DTXCID4030629octachloro-8-oxatricyclo(7.4.0.02,7)trideca-1(13),2,4,6,9,11-hexaene
Show more names
694-806-51,2,3,4,6,7,8,9-Octachlorodibenzo[b,d]furanF 135UNII-9C00M3WUEEoctachlorodibenzo-furanSCHEMBL2405692SCHEMBL29445526CHEBI:81515

Database identifiers

CAS
39001-02-0
PubChem CID
38200
DTXSID
DTXSID3052062
ChEBI
CHEBI:81515
UNII
9C00M3WUEE
EC Number
694-806-5
Nikkaji
J120.878K

Properties

Computed structural properties

XLogP
8.5
Topological polar surface area
13.1 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
1
Rotatable bonds
0
Heavy atoms
21
Formal charge
0
Complexity
375

Experimental & physicochemical properties

SpringerMaterials PropertiesBoiling point
LogP7.59
Endocrine DisruptorsPotential endocrine disrupting compound
Collision Cross Section174.7 Ų [M]+ [CCS Type: TIMS, Method: calibration with PAHs]

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Danger

H300 (100%): Fatal if swallowed [Danger Acute toxicity, oral]

P260, P262, P264, P270, P271, P273, P280, P284, P301+P316, P302+P352, P304+P340, P316, P320, P321, P330, P361+P364, P391, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 39 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 3 items

Chemical: Dibenzofuran, octachloro-

Hazard Traits - Bioaccumulation; Carcinogenicity; Dermatotoxicity; Environmental Persistence; Environmental tox; Hepatotoxicity and Digestive System Toxicity; Reproductive Toxicity

Regulation (EC) No 178/2002 (amended)

Hazard Classes and CategoriesAcute Tox. 1 (100%)

Safety & protection

Protective Action Criteria (PAC) · 3 items

0.43 [mg/m3]

4.7 [mg/m3]

28 [mg/m3]

Toxicology

Health Effects · 1 item

CDFs cause vomiting and diarrhea, anemia, more frequent lung infections, numbness and other effects on the nervous system, and mild changes in the liver. However, there were no permanent liver changes or definite liver damage found in people who ingested CDFs. (L952)

Chemistry & industry

Pharmacology

Metabolism/Metabolites · 1 item

No information on the metabolism of dibenzofuran in mammalian organisms was found in the available literature. The bacteria Sphingomonas, Brevibacterium, Terrabacter, and Staphylococcus auricularis degrade dibenzofuran to 2,2',3-trihydroxybiphenyl via dibenzofuran 4,4a-dioxygenase. (L952)

Uses & manufacturing

UsesCDFs are created from production of coal tar and during incineration. They are used as insecticides, in the production of PVC, and in industrial bleaching. (L952)

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Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
Exposure Routes
Inhalation (L952) ; dermal (L952) ; oral (L952)
Toxicity Summary · 1 item

Halogenated dibenzofurans (PCDFs and PBDFs) bind the aryl hydrocarbon receptor (AhR), which increases its ability to activate transcription in the XRE (xenobiotic resoponse element) promoter region. Specifically AhR binds to the PCDF, translocates it to the nucleus and together with hydrocarbon nuclear translocator (ARNT) and xenobiotic responsive element (XRE) increases the expression of CYP1A1 and aryl hydrocarbon hydroxylase (CYP1B1). AhR signaling also increseases conversion of arachidonic acid to prostanoids via cyclooxygenase-2, alters Wnt/beta-catenin signaling downregulating Sox9 and alters signaling by receptors for inflammatory cytokines. AhR signalling also alters proteasomal degradation of steroid hormone receptors, alters cellular UVB stress response and changes the differentiation of certain T-cell subsets. The resulting AhR mediated activation and alteration leads to body weight loss, cancer and thymic atrophy (characteristic of immune and endocrine disruption) which are common toxic responses to PCDFs and related toxic halogenated aryl hydrocarbons.

Signs and SymptomsSkin and eye irritations, especially severe acne, darkened skin color, and swollen eyelids with discharge are the most obvious health effects of the CDF poisoning. (L952)
Carcinogen Classification3, not classifiable as to its carcinogenicity to humans. (L135)
RAIS Toxicity Values · 6 items

0.0114

WHO/TEF

0.000133333333333333

WHO/TEF

2.33333333333333e-06

WHO/TEF