1,2-Dibromobenzene

Name: 1,2-Dibromobenzene
Brand: Vaqora Chemicals
SKU: VQ-039885

About 1,2-Dibromobenzene

1,2-Dibromobenzene is a process intermediate or related compound of Pirfenidone carrying the CAS registry number 583-53-9. Formula C6H4Br2, molecular weight 235.9 g/mol. It is also known as o-Dibromobenzene or Benzene, o-dibromo-.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is a process intermediate or related compound in the synthesis of Pirfenidone, useful for route development, impurity fate-and-purge studies and analytical method development. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer 1,2-Dibromobenzene in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Industries

Related to Pirfenidone

View every impurity, metabolite and intermediate we list for Pirfenidone.

Pirfenidone impurities

Specifications & identifiers

Chemical identifiers
Product name	1,2-Dibromobenzene
Catalogue No.	VQ-039885
CAS Number	583-53-9
IUPAC name	1,2-dibromobenzene
Molecular formula	C₆H₄Br₂
Molecular weight	235.9 g/mol
Exact mass	235.8659
InChIKey	WQONPSCCEXUXTQ-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)Br)Br
PubChem CID	11414

Physical properties
Physical form	Solid
LogP (XLogP3)	3.6
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	o-Dibromobenzene, Benzene, o-dibromo-, ortho-Dibromobenzene, Benzene, 1,2-dibromo-, Benzene, dibromo-, 1,6-dibromobenzene, Benzene,2-dibromo-, Dibromobenzene [UN2711] [Flammable liquid]

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405, 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

Other grades of CAS 583-53-9

Extra Pure

1,2-Dibromobenzene, extra pure >98%

CAS: 583-53-9
Formula: C₆H₄Br₂
MW: 235.9 g/mol

VQ-019981

Frequently asked questions

What is the CAS number of 1,2-Dibromobenzene?

The CAS Registry Number of 1,2-Dibromobenzene is 583-53-9. It is also known as o-Dibromobenzene, Benzene, o-dibromo-, ortho-Dibromobenzene.

What is the molecular formula and molecular weight of 1,2-Dibromobenzene?

1,2-Dibromobenzene has the molecular formula C6H4Br2 and a molecular weight of 235.9 g/mol. Its IUPAC name is 1,2-dibromobenzene.

What is 1,2-Dibromobenzene used for?

1,2-Dibromobenzene is supplied as a characterised reference material related to Pirfenidone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 1,2-Dibromobenzene can I order?

We supply 1,2-Dibromobenzene, 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 1,2-Dibromobenzene?

Yes. Every lot of 1,2-Dibromobenzene 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 1,2-Dibromobenzene be shipped internationally?

Yes. 1,2-Dibromobenzene 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.