3-(4-chlorophenyl)-1,1-dimethylurea

C9H11ClN2O

CAS150-68-5
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
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Identification

CAS Number
150-68-5
EC Number
205-766-1
UN Number
3077
Index Number
006-042-00-6
PubChem CID
8800

Physical-chemical properties

Molecular Formula
C9H11ClN2O
Molar Mass
198.65 g/mol
IUPAC Name
3-(4-chlorophenyl)-1,1-dimethylurea

Chemical Identifiers

InChI
InChI=1S/C9H11ClN2O/c1-12(2)9(13)11-8-5-3-7(10)4-6-8/h3-6H,1-2H3,(H,11,13)
InChI Key
BMLIZLVNXIYGCK-UHFFFAOYSA-N

Overview

3-(4-chlorophenyl)-1,1-dimethylurea (CAS 150-68-5) is a substituted urea compound with herbicidal properties and significant environmental persistence. This chlorinated aromatic urea derivative, also known by its EC number 205-766-1, represents an important class of organic compounds widely utilized in agricultural and industrial applications. With a molecular formula of C9H11ClN2O and molecular weight of 198.65 g/mol, this substance exhibits the characteristic structural features of phenylurea compounds, incorporating both a chlorinated benzene ring and a dimethyl-substituted urea functional group. The compound's safety profile requires careful consideration, as evidenced by its classification under multiple hazard categories including suspected carcinogenicity (Carc. 2), acute toxicity (Acute Tox. 4), and severe aquatic toxicity (Aquatic Acute 1; Aquatic Chronic 1). These classifications mandate appropriate handling protocols and environmental protection measures during storage, transport, and application. The substance carries GHS pictograms GHS08, GHS07, and GHS09, emphasizing health hazards and environmental dangers, with a "Warning" signal word and ADR Class 9 designation for miscellaneous dangerous goods. Industrial applications primarily focus on herbicide formulations where its selective activity against broadleaf weeds proves valuable in agricultural crop protection systems. The compound also finds use in specialized chemical synthesis processes and research applications investigating urea-based bioactive molecules. Related compounds in this chemical family include N'-(4-chloro-2-methylphenyl)-N,N-dimethylmethanimidamide hydrochloride, which shares similar structural characteristics and applications in pest control formulations. OYSI maintains reliable supply chains for 3-(4-chlorophenyl)-1,1-dimethylurea, ensuring consistent availability for qualified industrial customers across European markets.

Safety & Classification

Warning
Classification:

Carc. 2; Acute Tox. 4 *; Aquatic Acute 1; Aquatic Chronic 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H351

Suspected of causing cancer.

H302

Harmful if swallowed.

H400

Very toxic to aquatic life.

H410

Very toxic to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Ingestion

Harmful

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number3077
ADR Class9
Packing GroupIII
Tunnel Code-
Proper Shipping NameMonuron (ISO)
Marine PollutantNo

Frequently Asked Questions

What is 3-(4-chlorophenyl)-1,1-dimethylurea?

3-(4-chlorophenyl)-1,1-dimethylurea is an organochlorine compound with the molecular formula C9H11ClN2O and CAS number 150-68-5. This chemical substance has a molecular weight of 198.65 g/mol and belongs to the urea derivative family. It is classified as a hazardous substance with carcinogenic properties (Category 2), acute toxicity, and significant environmental risks to aquatic organisms, requiring careful handling and specialized safety measures in industrial applications.

What are the physicochemical properties of 3-(4-chlorophenyl)-1,1-dimethylurea?

3-(4-chlorophenyl)-1,1-dimethylurea is a solid organic compound at room temperature with a molecular weight of 198.65 g/mol. As a chlorinated aromatic urea derivative, it contains a chlorine atom attached to a phenyl ring connected to a dimethylurea moiety. The compound's physical appearance, exact melting point, and solubility characteristics should be verified through technical datasheets, as these properties are crucial for proper handling and application procedures.

What is 3-(4-chlorophenyl)-1,1-dimethylurea used for?

3-(4-chlorophenyl)-1,1-dimethylurea is primarily used as an intermediate in chemical synthesis and pharmaceutical research applications. Due to its specific molecular structure containing both chlorinated aromatic and urea functionalities, it serves as a building block for developing more complex organic compounds. Its applications are typically restricted to professional industrial settings due to its hazardous classification, requiring specialized knowledge and safety protocols for proper utilization in chemical manufacturing processes.

How to handle 3-(4-chlorophenyl)-1,1-dimethylurea safely?

3-(4-chlorophenyl)-1,1-dimethylurea must be handled with comprehensive personal protective equipment due to its carcinogenic and toxic properties. Essential safety measures include wearing chemical-resistant gloves, safety goggles, respiratory protection, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Always follow GHS pictogram warnings (GHS07, GHS08, GHS09) and implement strict hygiene protocols, including thorough hand washing and avoiding eating or drinking in work areas.

How to store 3-(4-chlorophenyl)-1,1-dimethylurea correctly?

3-(4-chlorophenyl)-1,1-dimethylurea should be stored in tightly sealed, labeled containers in a cool, dry, and well-ventilated area away from incompatible materials. Storage areas must be designed to prevent environmental release due to its aquatic toxicity classification. Containers should be kept away from heat sources, direct sunlight, and moisture. Access should be restricted to authorized personnel only, and storage facilities must comply with local regulations for carcinogenic substances, including appropriate containment measures.

What to do in case of contact with 3-(4-chlorophenyl)-1,1-dimethylurea?

Immediate action is required upon contact with 3-(4-chlorophenyl)-1,1-dimethylurea due to its toxic properties. For skin contact, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15 minutes while holding eyelids open. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention, providing the safety data sheet to healthcare professionals.

How to dispose of 3-(4-chlorophenyl)-1,1-dimethylurea properly?

3-(4-chlorophenyl)-1,1-dimethylurea must be disposed of as hazardous waste through licensed waste management companies due to its carcinogenic and environmental hazard classifications. The substance cannot be disposed of in regular waste streams or sewage systems due to its aquatic toxicity. Disposal must comply with local and European waste regulations, including proper documentation and tracking. Empty containers should also be treated as hazardous waste unless properly decontaminated according to regulatory requirements.

How to transport 3-(4-chlorophenyl)-1,1-dimethylurea?

3-(4-chlorophenyl)-1,1-dimethylurea is classified under ADR Class 9 (Miscellaneous dangerous goods), Packing Group III for transportation purposes. This classification requires specific packaging, labeling, and documentation according to dangerous goods regulations. Transport must be conducted by certified carriers with appropriate training and equipment. Packages must bear proper hazard labels corresponding to GHS pictograms (GHS07, GHS08, GHS09) and include necessary shipping documentation specifying the substance's hazardous properties and emergency response information.

Is 3-(4-chlorophenyl)-1,1-dimethylurea subject to specific regulations?

3-(4-chlorophenyl)-1,1-dimethylurea is subject to comprehensive European regulations including REACH registration requirements and CLP classification standards. While not currently listed as a SVHC (Substance of Very High Concern), its carcinogenic classification (Carc. 2) places it under strict regulatory oversight. Users must comply with occupational exposure limits, environmental protection measures, and reporting requirements. The substance may be subject to additional national restrictions, and companies must ensure proper risk assessments and safety measures are implemented according to current legislation.

Where to buy 3-(4-chlorophenyl)-1,1-dimethylurea in Europe?

3-(4-chlorophenyl)-1,1-dimethylurea is available through OYSI, a specialized European distributor of technical chemicals. As a professional chemical supplier, OYSI provides this substance to qualified industrial customers with proper documentation, safety data sheets, and regulatory compliance support. Due to the hazardous nature of this compound, purchases are restricted to professional users with appropriate handling capabilities and regulatory authorizations. OYSI ensures proper packaging, labeling, and transport according to ADR requirements throughout Europe.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.