2,8-dichlorodibenzo-4-dioxin

Modify Date: 2025-08-26 12:02:06

2,8-dichlorodibenzo-4-dioxin Structure
2,8-dichlorodibenzo-4-dioxin structure
Common Name 2,8-dichlorodibenzo-4-dioxin
CAS Number 38964-22-6 Molecular Weight 253.08100
Density 1.47g/cm3 Boiling Point 350.2ºC at 760 mmHg
Molecular Formula C12H6Cl2O2 Melting Point N/A
MSDS N/A Flash Point 140.2ºC

 Names

Name 2,8-Dichlorooxanthrene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.47g/cm3
Boiling Point 350.2ºC at 760 mmHg
Molecular Formula C12H6Cl2O2
Molecular Weight 253.08100
Flash Point 140.2ºC
Exact Mass 251.97400
PSA 18.46000
LogP 4.89140
Index of Refraction 1.642
InChIKey WMWJCKBJUQDYLM-UHFFFAOYSA-N
SMILES Clc1ccc2c(c1)Oc1cc(Cl)ccc1O2

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
HP3150000
CHEMICAL NAME :
Dibenzo-p-dioxin, 2,8-dichloro-
CAS REGISTRY NUMBER :
38964-22-6
LAST UPDATED :
199510
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C12-H6-Cl2-O2
MOLECULAR WEIGHT :
253.08

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
847 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CMSHAF Chemosphere. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1972- Volume(issue)/page/year: 14,649,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
>300 mg/kg
TOXIC EFFECTS :
Endocrine - changes in thymus weight
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 44,335,1978 *** 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:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987

 Safety Information

RIDADR UN 3077

 Synonyms

2,8-dichlorodibenzo-p-dioxin
2,8-Dichloro-dibenzofuran
Dibenzofuran,8-dichloro
2,8-dichlorodibenzodioxin
Dibenzofuran,2,8-dichloro
2,8-Dichlor-dibenzofuran
2,8-dichlorobenzo-p-dioxin
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