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Bifenox

Also known as: Methyl 5-(2,4-dichlorophenoxy)-2-nitrobenzoate, Modown, MC 79, MC-4379, 2,4-dichlorophenyl 3-(methoxycarbonyl)-4-nitrophenyl ether, 5-(2,4-dichlorophenoxy)-2-nitrobenzoic acid methyl ester, Bifenox [ANSI:BSI:ISO], EINECS 255-894-7, MFCD00055314

Bifenox (CAS 42576-02-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H9Cl2NO5 and a molecular weight of 342.131 g/mol. Key properties include a melting point of 83 - 85ºC, a boiling point of 421.0±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 208.4±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
42576-02-3
Jingsj CID
J-5534-7
Molecular Formula
C14H9Cl2NO5
Molecular Weight
342.131 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point83 - 85ºC
Boiling Point421.0±45.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point208.4±28.7 °C
Exact Mass340.985779
PSA81.35000
LogP4.52
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.608

GHS Safety & Compliance

Environmental HazardSignal word: Warning
  • H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Bifenox?

The CAS number of Bifenox is 42576-02-3.

What are the molecular formula and molecular weight of Bifenox?

Bifenox has molecular formula C14H9Cl2NO5 and molecular weight 342.131 g/mol.

Is Bifenox hazardous?

Bifenox has GHS signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Bifenox?

For Bifenox, Downstream Products: Nitrofen, 2,4-Dichlorophenol, 5-(2,4-Dichlorophenoxy)-2-nitrobenzoic acid.

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

Last updated:

How to cite: Jingsj. "Bifenox (CAS 42576-02-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5534-7 (accessed 2026-11-06).

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