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Monolinuron

绿谷隆

Also known as: 3-(4-Chlorophenyl)-1-methoxy-1-methylurea, 3-(p-Chlorophenyl)-1-methoxy-1-methyl urea, Aresin, Arresin, Afesin, Arezin, N'-(4-Chlorophenyl)-N-methoxy-N-methylurea

Monolinuron (CAS 1746-81-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H11ClN2O2 and a molecular weight of 214.649 g/mol. It is also known as 3-(4-Chlorophenyl)-1-methoxy-1-methylurea, 3-(p-Chlorophenyl)-1-methoxy-1-methyl urea and Aresin. Key properties include a melting point of 76-78ºC, a density of 1.3±0.1 g/cm3 and a flash point of 100 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H373 — May cause damage to organs through prolonged exposure and 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.
1746-81-2
Jingsj CID
J-42407-7
Molecular Formula
C9H11ClN2O2
Chinese Name
绿谷隆
Molecular Weight
214.649 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point76-78ºC
Density1.3±0.1 g/cm3
Flash Point100 °C
Exact Mass214.050903
PSA41.57000
LogP2.30
Refractive Index1.590

GHS Safety & Compliance

Irritant / Health Hazard / Environmental HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H373 — May cause damage to organs through prolonged exposure
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Monolinuron?

The CAS number of Monolinuron is 1746-81-2.

What are the molecular formula and molecular weight of Monolinuron?

Monolinuron has molecular formula C9H11ClN2O2 and molecular weight 214.649 g/mol.

Is Monolinuron hazardous?

Monolinuron has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H373 — May cause damage to organs through prolonged exposure; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Monolinuron?

For Monolinuron, Upstream Products: 4-Chloroaniline, 4-Chlorophenyl isocyanate, Dimethyl sulfate.

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

Last updated:

How to cite: Jingsj. "Monolinuron (CAS 1746-81-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42407-7 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.