Aroclor 1221

Name: Aroclor 1221
Brand: Vaqora Chemicals
SKU: VQ-038986

About Aroclor 1221

Aroclor 1221 is an API reference standard carrying the CAS registry number 11104-28-2. Its molecular formula is C12H9Cl and its molecular weight is 188.65 g/mol. Its systematic (IUPAC) name is 1-chloro-3-phenylbenzene. It is also known as 3-Chloro-1,1'-biphenyl or m-Chlorobiphenyl.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Laboratories use this the parent drug substance standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Aroclor 1221 in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Specifications & identifiers

Chemical identifiers
Product name	Aroclor 1221
Catalogue No.	VQ-038986
CAS Number	11104-28-2
IUPAC name	1-chloro-3-phenylbenzene
Molecular formula	C₁₂H₉Cl
Molecular weight	188.65 g/mol
Exact mass	188.0393
Grade	Reference Standard
HSN code	38229090
InChIKey	NMWSKOLWZZWHPL-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)C2=CC(=CC=C2)Cl
PubChem CID	16322

Physical properties
Physical form	Solid
LogP (XLogP3)	4.6
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	3-Chloro-1,1'-biphenyl, m-Chlorobiphenyl, 3-Chlorodiphenyl, 1,1'-Biphenyl, 3-chloro-, 3-Monochlorobiphenyl, Biphenyl, 3-chloro-, 3-monochloro-1,1'-biphenyl, PCB No 2, 3-Chlorbiphenyl, PCB 2, 3-Chloro[1,1'-biphenyl], PCB 2 (3-Chlorobiphenyl)

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 Aroclor 1221?

The CAS Registry Number of Aroclor 1221 is 11104-28-2. It is also known as 3-Chloro-1,1'-biphenyl, m-Chlorobiphenyl, 3-Chlorodiphenyl.

What is the molecular formula and molecular weight of Aroclor 1221?

Aroclor 1221 has the molecular formula C12H9Cl and a molecular weight of 188.65 g/mol. Its IUPAC name is 1-chloro-3-phenylbenzene.

Which grade and pack sizes of Aroclor 1221 can I order?

We supply Aroclor 1221 in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Aroclor 1221?

Yes. Every lot of Aroclor 1221 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 Aroclor 1221 be shipped internationally?

Yes. Aroclor 1221 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.