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2-Butyl-5-nitrobenzofuran

Also known as: 2-Butyl-5-nitro-1-benzofuran, 2-n-Butyl-5-nitrobenzofuran, 5-nitro-2-butyl benzofuran, Benzofuran, 2-butyl-5-nitro-, Dronedarone Impurity 33, Dronedarone Intermediate 6, 2-Butyl-5-nitrobenzofuran (BNB-IV)

2-Butyl-5-nitrobenzofuran (CAS 133238-87-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H13NO3 and a molecular weight of 219.236 g/mol. Key properties include a boiling point of 329.7±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 153.2±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
133238-87-6
Jingsj CID
J-1333803-9
Molecular Formula
C12H13NO3
Molecular Weight
219.236 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point329.7±22.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point153.2±22.3 °C
Exact Mass219.089539
PSA58.96000
LogP4.45
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.586

Customs & Trade Information

HS Code2932999099
Summary2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-Butyl-5-nitrobenzofuran?

The CAS number of 2-Butyl-5-nitrobenzofuran is 133238-87-6.

What are the molecular formula and molecular weight of 2-Butyl-5-nitrobenzofuran?

2-Butyl-5-nitrobenzofuran has molecular formula C12H13NO3 and molecular weight 219.236 g/mol.

What are the upstream and downstream products of 2-Butyl-5-nitrobenzofuran?

For 2-Butyl-5-nitrobenzofuran, Upstream Products: 4-Nitrophenyl Hexanoate, Hexanoyl chloride, Methyl 2-bromohexanoate; Downstream Products: 2-butyl-1-benzofuran-5-amine, Dronedarone, (2-Butyl-5-nitrobenzofuran-3-yl)(4-hydroxyphenyl)methanone.

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-Butyl-5-nitrobenzofuran (CAS 133238-87-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1333803-9 (accessed 2026-11-09).

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