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

 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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