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Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,4'-DICHLOROBIPHENYL
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34883-43-7

34883-43-7 structure

34883-43-7 structure

Name: 2,4'-PCB
Chemical Name: 2,4'-dichlorobiphenyl
CAS Number: 34883-43-7
Molecular Formula: C₁₂H₈Cl₂
Molecular Weight: 223.098
Catalog: analytical chemistry food safety Dioxins, polychlorinated biphenyls, furans
Create Date: 2018-03-05 08:00:00
Modify Date: 2026-07-01 18:51:35

Name	2,4'-dichlorobiphenyl
Synonyms	PCB 8 2,4’-dichloro-bipheny 42731, 2,4'-Dichlorobiphenyl (IUPAC No. 8) (purity) 2,4'-CB L20000800IO PCB No. 8 10μg/mLin Isooctane BZNO 8 2,4'-chlorobiphenyl PCB NO 8 Biphenyl,2,4'-dichloro 1,1'-Biphenyl, 2,4'-dichloro 2,4'-dichlorobipenyl 1,1'-Biphenyl,2,4'-dichloro Biphenyl, 2,4'-dichloro 2,4’-dichloro-1,1’-biphenyl 1,1'-Biphenyhl, 2,4'-dichloro 2,4'-Dichlorobiphenyl C20000800 PCB No. 8 PCB-Mix 7 10 μg/mL in Isooctane 1-chloro-2-(4-chlorophenyl)benzene PCB No. 8 10 μg/mL in Isooctane 2,4′-Dichlorobiphenyl 2,4'-Dichloro-1,1'-biphenyl Hexanal Impurity 24 A Method 525.3 PCB Mixture 500 μg/mL in Acetone 2,4’-dichloro-1’-biphenyl

Density	1.2±0.1 g/cm3
Boiling Point	303.3±17.0 °C at 760 mmHg
Melting Point	46°C
Molecular Formula	C₁₂H₈Cl₂
Molecular Weight	223.098
Flash Point	133.6±14.5 °C
Exact Mass	222.000305
LogP	5.02
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.594
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DV3905000

CHEMICAL NAME :: Biphenyl, 2,4'-dichloro-

CAS REGISTRY NUMBER :: 34883-43-7

BEILSTEIN REFERENCE NO. :: 1946417

LAST UPDATED :: 199710

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C12-H8-Cl2

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 :: 7860 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 24,173,1978 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 150 mg/kg/3D-I

TOXIC EFFECTS :: Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other esterases

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 33,94,1975

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 25 mg/kg/20D-I

TOXIC EFFECTS :: Immunological Including Allergic - decrease in humoral immune response

REFERENCE :: JEPOEC Journal of Environmental Pathology, Toxicology and Oncology. (Chem-Orbital, POB 134, Park Forest, IL 60466) V.5(4)- 1984- Volume(issue)/page/year: 9,283,1989

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 25 mg/kg/20D-I

TOXIC EFFECTS :: Liver - other changes

REFERENCE :: JEPOEC Journal of Environmental Pathology, Toxicology and Oncology. (Chem-Orbital, POB 134, Park Forest, IL 60466) V.5(4)- 1984- Volume(issue)/page/year: 12,17,1993

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Mammal - domestic

DOSE/DURATION :: 20 mg/kg/20D-I

TOXIC EFFECTS :: Liver - changes in liver weight Immunological Including Allergic - decrease in humoral immune response Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: JEPOEC Journal of Environmental Pathology, Toxicology and Oncology. (Chem-Orbital, POB 134, Park Forest, IL 60466) V.5(4)- 1984- Volume(issue)/page/year: 9,283,1989

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Mammal - domestic

DOSE/DURATION :: 5 mg/kg/20D-I

TOXIC EFFECTS :: Liver - other changes

REFERENCE :: JEPOEC Journal of Environmental Pathology, Toxicology and Oncology. (Chem-Orbital, POB 134, Park Forest, IL 60466) V.5(4)- 1984- Volume(issue)/page/year: 12,17,1993

Symbol	GHS08, GHS09
Signal Word	Warning
Hazard Statements	H373-H410
Precautionary Statements	P260
Hazard Codes	N: Dangerous for the environment;
Risk Phrases	33-50/53
Safety Phrases	35-60-61
RIDADR	UN 3432 9/PG 2
RTECS	DV3905000
HS Code	2903999010

HS Code	2903999010
Summary	2903999010 2,3,3',4,5,6-hexachloro-1,1'-biphenyl。supervision conditions:89(articles on the list of prohibited export goods,articles on the list of prohibited import goods)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:5.5%。general tariff:30.0%

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