2,2'-Dibromobiphenyl

Also known as: 2,2'-Dibromo-1,1'-biphenyl, 2,2'-dibromodiphenyl, o,o'-Dibromobiphenyl, 1-bromo-2-(2-bromophenyl)benzene, PBB 4, NSC 91566

2,2'-Dibromobiphenyl (CAS 13029-09-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H8Br2 and a molecular weight of 312.000 g/mol. Key properties include a melting point of 79-83 °C, a boiling point of 332.9±17.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 180.0±20.2 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13029-09-9
Jingsj CID: J-47155-6
Molecular Formula: C₁₂H₈Br₂
Molecular Weight: 312.000 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	79-83 °C
Boiling Point	332.9±17.0 °C at 760 mmHg
Density	1.7±0.1 g/cm3
Flash Point	180.0±20.2 °C
Exact Mass	309.899261
LogP	5.11
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.626

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning

H302 — Harmful if swallowed
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation
H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of 2,2'-Dibromobiphenyl?

The CAS number of 2,2'-Dibromobiphenyl is 13029-09-9.

What are the molecular formula and molecular weight of 2,2'-Dibromobiphenyl?

2,2'-Dibromobiphenyl has molecular formula C12H8Br2 and molecular weight 312.000 g/mol.

Is 2,2'-Dibromobiphenyl hazardous?

2,2'-Dibromobiphenyl has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 2,2'-Dibromobiphenyl?

For 2,2'-Dibromobiphenyl, Upstream Products: 1,2-Dibromobenzene, 1-Bromo-2-iodobenzene, n-Butyllithium; Downstream Products: 9-iodo-10-phenylphenanthrene, 9-(p-Tolyl)carbazole, 9,9'-Spirobi[9H-9-silafluorene].

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2,2'-Dibromobiphenyl (CAS 13029-09-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47155-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.