Diuron

Also known as: 1,1-Dimethyl-3-(3,4-dichlorophenyl)urea, 3-(3,4-Dichlorophenyl)-1,1-dimethylurea, DCMU, Dichlorfenidim, N-(3,4-Dichlorophenyl)-N,N-dimethylurea, N'-(3,4-Dichlorophenyl)-N,N-dimethylurea

Diuron (CAS 330-54-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H10Cl2N2O and a molecular weight of 233.094 g/mol. Key properties include a melting point of 158-159°C, a boiling point of 362.3±52.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 172.9±30.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H351 — Suspected of causing cancer and H373 — May cause damage to organs through prolonged exposure. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 330-54-1
Jingsj CID: J-1106599-9
Molecular Formula: C₉H₁₀Cl₂N₂O
Molecular Weight: 233.094 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	158-159°C
Boiling Point	362.3±52.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	172.9±30.7 °C
Exact Mass	232.017014
PSA	32.34000
LogP	2.88
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.565

GHS Safety & Compliance

Irritant / Health Hazard / Environmental HazardSignal word: Warning

H302 — Harmful if swallowed
H351 — Suspected of causing cancer
H373 — May cause damage to organs through prolonged exposure
H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code	2924299032
Summary	2924299032 1,1-dimethyl-3-(3-(trifluoromethyl)phenyl)urea。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of Diuron?

The CAS number of Diuron is 330-54-1.

What are the molecular formula and molecular weight of Diuron?

Diuron has molecular formula C9H10Cl2N2O and molecular weight 233.094 g/mol.

Is Diuron hazardous?

Diuron has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H351 — Suspected of causing cancer; H373 — May cause damage to organs through prolonged exposure.

What are the upstream and downstream products of Diuron?

For Diuron, Upstream Products: 3,4-Dichloroaniline, Dimethylcarbamoyl chloride, Ethyl (3,4-dichlorophenyl)carbamate; Downstream Products: 1-(3,4-Dichlorophenyl)-3-methylurea, 2,3,7,8-Tetrachlorodibenzofuran, Carbon dioxide.

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. "Diuron (CAS 330-54-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1106599-9 (accessed 2026-11-09).

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