C12H5Cl5
326.4 g/mol
Industrial ChemicalWarning
2,2',3,3',4-pentachlorobiphenyl
CAS11097-69-1
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
Coolant and lubricant in electrical equipment
2,2',3,3',4-Pentachlorobiphenyl is an industrial chemical belonging to the class of polychlorinated biphenyls (PCBs), which were historically used as coolants and lubricants in electrical equipment due to their chemical stability and insulating properties. This specific congener contains five chlorine atoms substituted on the biphenyl structure.
Coolant in electrical transformers and capacitorsLubricant in electrical equipment
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
Ethyl silicate
CAS11099-06-2
Surface modifier and binder
ReferenceSame Category
Squalane
CAS111-01-3
Lubricant and cosmetic ingredient
ReferenceSame Category
Heptanoic acid
CAS111-14-8
Lubricant and brake fluid additive
ReferenceSame Category
2-ethoxyethyl acetate
CAS111-15-9
industrial solvent
Safety Reference
Warning
H302Harmful if swallowed
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H311Toxic in contact with skin
H335May cause respiratory irritation
H350May cause cancer
H360May damage fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for 2,2',3,3',4-pentachlorobiphenyl (CAS 11097-69-1) is 3824.82.
HS code (international, 6-digit)
3824.82
EU CN code (8-digit)
3824 82 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1,2,3-trichloro-4-(2,3-dichlorophenyl)benzene
InChIKey
AUGNBQPSMWGAJE-UHFFFAOYSA-N
SMILES
C1=CC(=C(C(=C1)Cl)Cl)C2=C(C(=C(C=C2)Cl)Cl)Cl
Synonyms (17)
- AROCLOR 1254
- Arochlor 1254
- Chlorodiphenyl (54% Chlorine)
- Chlorodiphenyl (54% Cl)
- Clorodifenili, cloro
- PCB 82
- PCB No. 82
Sourcing 2,2',3,3',4-pentachlorobiphenyl?
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