Description

1,2-Dibromobenzene (CAS 583-53-9) is a high-purity aromatic compound with the molecular formula C₆H₄Br₂. This halogenated benzene derivative is widely utilized in organic synthesis, pharmaceutical research, and material science due to its reactivity as a brominating agent and intermediate. Our premium-grade product is rigorously tested for purity (≥97% by GC) and consistency, ensuring reliable performance in demanding applications. Supplied in amber glass bottles to prevent degradation, it is ideal for use as a building block in cross-coupling reactions, polymer modification, and flame retardant formulations. Suitable for laboratory and industrial-scale processes under controlled conditions.

Properties

• CAS Number: 583-53-9
• Complexity: 62.9
• IUPAC Name: 1,2-dibromobenzene
• InChI: InChI=1S/C6H4Br2/c7-5-3-1-2-4-6(5)8/h1-4H
• InChI Key: WQONPSCCEXUXTQ-UHFFFAOYSA-N
• Exact Mass: 235.86593
• Molecular Formula: C6H4Br2
• Molecular Weight: 235.90
• SMILES: C1=CC=C(C(=C1)Br)Br
• Monoisotopic Mass: 233.86798
• Physical Description: Pale yellow liquid; Not miscible or difficult to mix in water; Melting point = 5-8 deg C;
• Vapor Pressure: 0.13 [mmHg]
• Synonyms: 1,2-DIBROMOBENZENE, o-Dibromobenzene, Benzene, 1,2-dibromo-, ortho-Dibromobenzene, EINECS 209-507-3, UNII-52K9W7U6EH, NSC 60643, UN2711, 52K9W7U6EH, CHEBI:37152, AI3-10009, NSC-60643, BENZENE,1,2-DIBROMO, DTXSID0022064, Benzene, odibromo, 1,2dibromobenzene, Benzene, 1,2dibromo, Benzene, odibromo (8CI), DTXCID602064, inchi=1/c6h4br2/c7-5-3-1-2-4-6(5)8/h1-4, wqonpsccexuxtq-uhfffaoysa-n, 583-53-9, DIBROMOBENZENE, Benzene, o-dibromo-, 26249-12-7, 1,2-dibromo-benzene, MFCD00000057, Benzene, dibromo-, EINECS 247-544-7, UNII-Q5L1S3J96A, 1,2 dibromobenzene, 1,6-dibromobenzene, Benzene,2-dibromo-, 1,2-bis(bromanyl)benzene, SCHEMBL29314, SCHEMBL59224, 1,2-Dibromobenzene, 98%, SCHEMBL158133, Q5L1S3J96A, SCHEMBL3708515, SCHEMBL5584110, CHEMBL1797135, SCHEMBL11503730, SCHEMBL29055536, NSC60643, AKOS000121579, AS-12663, BP-13423, DB-003850, D0168, NS00033910, ST50406018, EN300-21129, 1,2-Dibromobenzene, purum, >=97.0% (GC), Dibromobenzene [UN2711] [Flammable liquid], A831844, Q27117050

1,2-Dibromobenzene serves as a key reagent in Suzuki-Miyaura cross-coupling reactions to synthesize biaryl compounds. It is employed in the production of liquid crystals and flame-retardant additives for polymers. Researchers also use it as a precursor for pharmaceuticals and agrochemicals. Its bromine atoms enable selective functionalization in organic synthesis.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (89.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H411 (14.6%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

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, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)
• STOT SE 3 (89.6%)
• Aquatic Chronic 2 (14.6%)

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