Heptachlor epoxide [Isomer B]

Modify Date: 2025-08-22 18:06:45

Heptachlor epoxide [Isomer B] Structure
Heptachlor epoxide [Isomer B] structure
 Common Name Heptachlor epoxide [Isomer B]
CAS Number 1024-57-3 Molecular Weight 389.317
Density 1.9±0.1 g/cm3 Boiling Point 425.5±45.0 °C at 760 mmHg
Molecular Formula C10H5Cl7O Melting Point 160-161.5℃
MSDS Chinese USA Flash Point 162.2±28.8 °C
Symbol GHS06 GHS08
GHS06, GHS08		 Signal Word Danger

 Use of Heptachlor epoxide [Isomer B]


(±)-cis-Heptachlor epoxides, are degradation products of heptachlor that can occur in or on soil and crops when treated with heptachlor, a pesticide. Heptachlor is readily formed upon exposure to air. Everett CJ, Thompson OM. Environmental Health Pastor. 2015;30(2):93-7.

 Names

Name Heptachlor epoxide [Isomer B]
Synonym More Synonyms

 Heptachlor epoxide [Isomer B] Biological Activity

Description (±)-cis-Heptachlor epoxides, are degradation products of heptachlor that can occur in or on soil and crops when treated with heptachlor, a pesticide. Heptachlor is readily formed upon exposure to air. Everett CJ, Thompson OM. Environmental Health Pastor. 2015;30(2):93-7.
Related Catalog

 Chemical & Physical Properties

Density 1.9±0.1 g/cm3
Boiling Point 425.5±45.0 °C at 760 mmHg
Melting Point 160-161.5℃
Molecular Formula C10H5Cl7O
Molecular Weight 389.317
Flash Point 162.2±28.8 °C
Exact Mass 385.816010
PSA 12.53000
LogP 5.47
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.662
Storage condition APPROX 4°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
PB9450000
CHEMICAL NAME :
4,7-Methanoindan, 1,4,5,6,7,8,8-heptachloro-2,3-epoxy-3a,4,7,7a-tetrahy dro-
CAS REGISTRY NUMBER :
1024-57-3
LAST UPDATED :
199712
DATA ITEMS CITED :
25
MOLECULAR FORMULA :
C10-H5-Cl7-O
MOLECULAR WEIGHT :
389.30
WISWESSER LINE NOTATION :
T D3 C555 A EO JUTJ AG AG BG GG IG JG KG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
15 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
39 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
10 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intracerebral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
8 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
144 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - cattle
DOSE/DURATION :
5 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Nutritional and Gross Metabolic - body temperature increase
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
580 mg/kg/69W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
876 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors

MUTATION DATA

TYPE OF TEST :
Unscheduled DNA synthesis
TEST SYSTEM :
Human Fibroblast
DOSE/DURATION :
10 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 42,161,1977 *** REVIEWS *** ACGIH TLV-Animal carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 0.05 mg/m3 (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 IARC Cancer Review:Animal Limited 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: 20,129,1979 IARC Cancer Review:Animal Sufficient 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: 53,115,1991 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: 5,173,1974 IARC Cancer Review:Human 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: 20,129,1979 IARC Cancer Review:Human 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: 53,115,1991 IARC Cancer Review:Group 2B 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: 53,115,1991 TOXICOLOGY REVIEW CTOXAO Clinical Toxicology. (New York, NY) V.1-18, 1968-81. For publisher information, see JTCTDW. Volume(issue)/page/year: 13,231,1978

 Safety Information

Symbol GHS06 GHS08
GHS06, GHS08
Signal Word Danger
Hazard Statements H301 + H311 + H331-H370-H412
Precautionary Statements P260-P273-P280-P301 + P310-P311
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
Hazard Codes T,N,F
Risk Phrases 25-33-40-50/53-39/23/24/25-23/24/25-11
Safety Phrases S7;S16;S45;S60;S61;S36/S37
RIDADR UN 2761
RTECS PB9450000
Packaging Group II
Hazard Class 6.1(a)

 Articles33

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 Synonyms

MFCD01311793
Heptachlor expoxide isomer B
Heptachlor exo-epoxide
1,6,8,9,10,11,11-Heptachloro-4-oxatetracyclo[6.2.1.0.0]undec-9-ene
2,3,4,5,6,7,7-heptachloro-1b,2,5,5a,6,6a-hexahydro-1aH-2,5-methanoindeno[1,2-b]oxirene
HEPTACHLOR EPOXIDE
2,5-Methano-2H-indeno[1,2-b]oxirene, 2,3,4,5,6,7,7-heptachloro-1a,1b,5,5a,6,6a-hexahydro-
2,3,4,5,6,7,7-Heptachloro-1a,1b,5,5a,6,6a-hexahydro-2,5-methano-2H-indeno[1,2-b]oxirene
EINECS 213-831-0
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