4,4'-二氯联苯

Description

4,4'-dichlorobiphenyl · CAS 2050-68-2 · C12H8Cl2. UNII DOF6S5DT2R. LogP: 5.23.

Identification

CAS Registry Number	2050-68-2
PubChem CID	16308
Molecular formula	C12H8Cl2
IUPAC name	1-chloro-4-(4-chlorophenyl)benzene
UNII (FDA)	DOF6S5DT2R

Computed Descriptors

Molecular Weight	223.09
XLogP3	5.6
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	1
Exact Mass	222.0003056
Monoisotopic Mass	222.0003056
Topological Polar Surface Area	0
Heavy Atom Count	14
Formal Charge	0

Physical & Chemical Properties

LogP	5.23

Physical description & handling notes

• 141.8 Ų [M]+ [CCS Type: TIMS, Method: calibration with PAHs]

Regulatory Status

GHS notification summary	7.1% (3 / 42)

GHS Hazard Classification

GHS notification summary	7.1% (3 / 42)
Reported hazard statements	H373 (92.9%), H400 (92.9%), H410 (92.9%)

Documented Uses

• PCBs were used as coolants and lubricants in transformers, capacitors, and other electrical devices (such as fluorescent lights and refridgerators) produced before 1977. PCBs may contaminate the air and water near hazardous waste sites. In addition, PCBs bioaccumulate in the environment and may be found in fish, meat, and dairy products. (L4)
• 4,4'-Dichlorobiphenyl has known human metabolites that include 4,4-²-Dichloro-3-biphenylol.

Synonyms

4,4'-Dichlorobiphenyl; 2050-68-2; 4,4'-DICHLORO-1,1'-BIPHENYL; p,p-Dcbp; p,p'-Dichlorobiphenyl; 1,1'-Biphenyl, 4,4'-dichloro-; PCB 15; 1-chloro-4-(4-chlorophenyl)benzene; Biphenyl, 4,4'-dichloro-; DOF6S5DT2R; DTXSID0022515; NSC-1141; CHEBI:34364; 4-DCB cpd; RefChem:53597; DTXCID502515

Frequently Asked Questions

What are the CAS number and molecular formula of 4,4'-dichlorobiphenyl?

CAS 2050-68-2; molecular formula C12H8Cl2; molecular weight — g/mol.

What other names is 4,4'-dichlorobiphenyl known by?

4,4'-Dichlorobiphenyl, 2050-68-2, 4,4'-DICHLORO-1,1'-BIPHENYL, p,p-Dcbp, p,p'-Dichlorobiphenyl, 1,1'-Biphenyl, 4,4'-dichloro-.

Is 4,4'-dichlorobiphenyl classified as hazardous?

7.1% of GHS notifications report no hazard classification (3 of 42).

What are the key physical properties of 4,4'-dichlorobiphenyl?

LogP: 5.23.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.