3,3',4,4'-Tetrachlorobiphenyl
Synonym(s):3,3′,4,4′-PCB;3,3′,4,4′-Tetrachlorobiphenyl
- CAS NO.：32598-13-3
- Empirical Formula: C12H6Cl4
- Molecular Weight: 291.99
- MDL number: MFCD00055251
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:50:36
What is 3,3',4,4'-Tetrachlorobiphenyl?
The Uses of 3,3',4,4'-Tetrachlorobiphenyl
3,3'',4,4''-Tetrachlorobiphenyl is a polychlorinated biphenyl (PCB) congeners.
Definition
ChEBI: A tetrachlorobiphenyl that is biphenyl in which the hydrogens at position 3 and 4 on each phenyl group are replaced by chlorines.
Safety Profile
Poison by ingestion. An experimental teratogen. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of Cl-. See also POLYCHLORINATED BIPHENYLS.
Metabolic pathway
When 3,4,3',4' -tetrachlorobiphenyl (TCB) is orally administered to rats, seven hydroxylated metabolites are identified in the rat feces. The major metabolites are 5-hydroxy-3,4,3',4' -TCB and 4-hydroxy-3,5,3',4' - TCB. One further metabolite isolated is an oxepin, existing in a state of equilibration with the 4',5' - epoxide of the major metabolite, 4-hydroxy-3,5,3',4' -TCB.
Properties of 3,3',4,4'-Tetrachlorobiphenyl
| Melting point: | 182-184℃ |
| Boiling point: | 374.95°C (rough estimate) |
| Density | 1.4420 (rough estimate) |
| refractive index | 1.6120 (rough estimate) |
| Flash point: | 100 °C |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Chloroform (Slightly), Dichloromethane (Slightly) |
| form | neat |
| color | Pale Grey |
| Water Solubility | 0.5489ug/L(25 ºC) |
| BRN | 2051251 |
| EPA Substance Registry System | 3,3',4,4'-Tetrachlorobiphenyl (32598-13-3) |
Safety information for 3,3',4,4'-Tetrachlorobiphenyl
| Signal word | Warning |
| Pictogram(s) |
 Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P314:Get medical advice/attention if you feel unwell. |
Computed Descriptors for 3,3',4,4'-Tetrachlorobiphenyl
| InChIKey | UQMGJOKDKOLIDP-UHFFFAOYSA-N |
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