3,4-Dichlorobiphenyl

Modify Date: 2026-08-02 12:09:28

3,4-Dichlorobiphenyl Structure
3,4-Dichlorobiphenyl structure
Common Name 3,4-Dichlorobiphenyl
CAS Number 2974-92-7 Molecular Weight 223.09800
Density 1.249 g/cm3 Boiling Point 322.5ºC at 760 mmHg
Molecular Formula C12H8Cl2 Melting Point 49.5°C
MSDS N/A Flash Point 148.8ºC

Summary: 3,4-Dichlorobiphenyl (1,2-dichloro-4-phenylbenzene, CAS number: 2974-92-7), molecular formula: C12H8Cl2, molecular weight: 223.09800,熔点: 49.5°C,沸点: 322.5°C, density: 1.249 g/cm3. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1,2-dichloro-4-phenylbenzene
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.249 g/cm3
Boiling Point 322.5ºC at 760 mmHg
Melting Point 49.5°C
Molecular Formula C12H8Cl2
Molecular Weight 223.09800
Flash Point 148.8ºC
Exact Mass 222.00000
LogP 4.66040
Vapour Pressure 0.000523mmHg at 25°C
Index of Refraction 1.594
InChIKey ZGHQUYZPMWMLBM-UHFFFAOYSA-N
SMILES Clc1ccc(-c2ccccc2)cc1Cl

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes N: Dangerous for the environment;
Risk Phrases R33;R50/53
Safety Phrases S35-S60-S61
RIDADR UN 3432
Packaging Group II
Hazard Class 9

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Biphenyl,3,4-dichloro
3,4-Dichlor-biphenyl
3,4-dichloro-1,1'-biphenyl
3,4-PCB
1,1'-Biphenyl,3,4-dichloro
4-phenyl-1,2-dichlorobenzene
3,1'-biphenyl
3,4-DICHLOROBIPHENYL
3,4-dichlorodiphenyl
PCB No 12

 3,4-Dichlorobiphenyl | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the English name of 1,2-dichloro-4-phenylbenzene?
A: The English name of 1,2-dichloro-4-phenylbenzene is 1,2-dichloro-4-phenylbenzene.
Q: What is the melting point of 1,2-dichloro-4-phenylbenzene?
A: Melting point of 1,2-dichloro-4-phenylbenzene is 49.5°C.
Q: What English synonyms does 1,2-dichloro-4-phenylbenzene have?
A: English synonyms of 1,2-dichloro-4-phenylbenzene: Biphenyl,3,4-dichloro, 3,4-Dichlor-biphenyl, 3,4-dichloro-1,1'-biphenyl, 3,4-PCB, 1,1'-Biphenyl,3,4-dichloro, 4-phenyl-1,2-dichlorobenzene, 3,1'-biphenyl, 3,4-DICHLOROBIPHENYL, 3,4-dichlorodiphenyl, PCB No 12.
Q: What is the molecular weight of 1,2-dichloro-4-phenylbenzene?
A: Molecular weight of 1,2-dichloro-4-phenylbenzene is 223.09800.
Q: What is the molecular formula of 1,2-dichloro-4-phenylbenzene?
A: Molecular formula of 1,2-dichloro-4-phenylbenzene is C12H8Cl2.
Q: What is the LogP of 1,2-dichloro-4-phenylbenzene?
A: LogP of 1,2-dichloro-4-phenylbenzene is 4.66040.
Q: What is the safety information for 1,2-dichloro-4-phenylbenzene?
A: Safety information for 1,2-dichloro-4-phenylbenzene: S35-S60-S61.
Q: What is the SMILES notation of 1,2-dichloro-4-phenylbenzene?
A: SMILES notation of 1,2-dichloro-4-phenylbenzene is Clc1ccc(-c2ccccc2)cc1Cl.
Q: What is the InChIKey of 1,2-dichloro-4-phenylbenzene?
A: InChIKey of 1,2-dichloro-4-phenylbenzene is ZGHQUYZPMWMLBM-UHFFFAOYSA-N.
Q: What is the boiling point of 1,2-dichloro-4-phenylbenzene?
A: Boiling point of 1,2-dichloro-4-phenylbenzene is 322.5ºC at 760 mmHg.

 3,4-Dichlorobiphenylfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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