4,4′-Dichlorobiphenyl

About 4,4′-Dichlorobiphenyl

4,4′-Dichlorobiphenyl is a halogenated building block carrying the CAS registry number 2050-68-2. Formula C12H8Cl2, molecular weight 223.09 g/mol. The IUPAC name is 1-chloro-4-(4-chlorophenyl)benzene. Common synonyms include p,p-Dcbp and p,p'-Dichlorobiphenyl.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span cross-coupling substrates, alkylation reactions and organic synthesis. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and agrochemical production.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Cross-coupling substrates
Alkylation reactions
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	4,4′-Dichlorobiphenyl
Catalogue No.	VQ-049826
CAS Number	2050-68-2
IUPAC name	1-chloro-4-(4-chlorophenyl)benzene
Molecular formula	C₁₂H₈Cl₂
Molecular weight	223.09 g/mol
Exact mass	222.0003
InChIKey	YTBRNEUEFCNVHC-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1C2=CC=C(C=C2)Cl)Cl
PubChem CID	16308

Physical properties
Physical form	Other
LogP (XLogP3)	5.6
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	p,p-Dcbp, p,p'-Dichlorobiphenyl, 1,1'-Biphenyl, 4,4'-dichloro-, PCB 15, Biphenyl, 4,4'-dichloro-, 4-DCB cpd, 4,4 inverted exclamation marka-Dichlorobiphenyl, Biphenyl,4'-dichloro-

Safety & hazard information (GHS)

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P273, P319, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4,4′-Dichlorobiphenyl?

The CAS Registry Number of 4,4′-Dichlorobiphenyl is 2050-68-2. It is also known as p,p-Dcbp, p,p'-Dichlorobiphenyl, 1,1'-Biphenyl, 4,4'-dichloro-.

What is the molecular formula and molecular weight of 4,4′-Dichlorobiphenyl?

4,4′-Dichlorobiphenyl has the molecular formula C12H8Cl2 and a molecular weight of 223.09 g/mol. Its IUPAC name is 1-chloro-4-(4-chlorophenyl)benzene.

Which grade and pack sizes of 4,4′-Dichlorobiphenyl can I order?

We supply 4,4′-Dichlorobiphenyl, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4,4′-Dichlorobiphenyl?

Yes. Every lot of 4,4′-Dichlorobiphenyl is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4,4′-Dichlorobiphenyl be shipped internationally?

Yes. 4,4′-Dichlorobiphenyl is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.