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2-Bromopentane

Also known as: (+/-)-2-BROMOPENTANE, (+/-)-2-PENTYL BROMIDE, 1-methylbutyl bromide, 2-BROMOPENTANE, 2-BROMOPENTANE MIN 955, 2-BROMPENTAN 100 ML, 2-BROMPENTAN 5 ML, 2-Br-pentane, 2-Bromopentane (contains ca. 12% 3-Bromopentane), 2-Bromopentane, tech., 90%, 2-PENTYL BROMIDE, 2-Pentyl Bromide, 2-Pentylbromid, 2-bromo-pentan, 2-bromo-pentane, EINECS 203-521-3, MFCD00000160, Pentane, 2-bromo-, SEC-AMYL BROMIDE, pentane,2-bromo

2-Bromopentane (CAS 107-81-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H11Br and a molecular weight of 151.045 g/mol. Key properties include a melting point of -95.5 °C, a boiling point of 118.3±8.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 20.6±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, 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.
107-81-3
Jingsj CID
J-3531-2
Molecular Formula
C5H11Br
Molecular Weight
151.045 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-95.5 °C
Boiling Point118.3±8.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point20.6±0.0 °C
Exact Mass150.004410
LogP3.09
Vapor Pressure20.0±0.2 mmHg at 25°C
Refractive Index1.441
Additional Propertypractically insoluble

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2903399090
Summary2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Bromopentane?

The CAS number of 2-Bromopentane is 107-81-3.

What are the molecular formula and molecular weight of 2-Bromopentane?

2-Bromopentane has molecular formula C5H11Br and molecular weight 151.045 g/mol.

Is 2-Bromopentane hazardous?

2-Bromopentane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 2-Bromopentane?

For 2-Bromopentane, Upstream Products: 2-Pentanol, Pent-1-ene, Pentane; Downstream Products: (2S)-2-Pentanol, (R)-(-)-2-Pentanol, 1-Hexene, 3-methyl-.

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

Last updated:

How to cite: Jingsj. "2-Bromopentane (CAS 107-81-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3531-2 (accessed 2026-11-06).

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