2-methylcyclohexan-1-one

C7H12O

CAS583-60-8
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
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Identification

CAS Number
583-60-8
EC Number
209-513-6
UN Number
2297
Index Number
606-011-00-2
PubChem CID
11419

Physical-chemical properties

Molecular Formula
C7H12O
Molar Mass
112.17 g/mol
IUPAC Name
2-methylcyclohexan-1-one

Chemical Identifiers

InChI
InChI=1S/C7H12O/c1-6-4-2-3-5-7(6)8/h6H,2-5H2,1H3
InChI Key
LFSAPCRASZRSKS-UHFFFAOYSA-N

Overview

2-methylcyclohexan-1-one (CAS 583-60-8) is a cyclic ketone compound with characteristic solvent properties and moderate flammability hazards. This methylated cyclohexanone derivative represents an important industrial solvent and chemical intermediate in organic synthesis. With its seven-carbon cyclic structure and molecular weight of 112.17 g/mol, 2-methylcyclohexan-1-one exhibits properties that make it valuable across multiple industrial applications. The compound belongs to the broader family of cyclic ketones, sharing structural similarities with cyclohexanone while offering distinct performance characteristics due to its methyl substitution. From a safety perspective, 2-methylcyclohexan-1-one is classified as a Category 3 flammable liquid and Category 4 acute toxicant, requiring appropriate handling precautions in industrial environments. The compound carries GHS pictograms for fire hazard and health warning, with ADR transport classification as Class 3 dangerous goods. These safety characteristics necessitate proper ventilation, fire prevention measures, and personal protective equipment during handling and storage operations. The compound finds primary applications as a solvent in coating formulations, where its dissolution properties and evaporation rate provide optimal performance characteristics. Additionally, it serves as an intermediate in organic synthesis processes and specialty chemical manufacturing. Industrial users also employ 2-methylcyclohexan-1-one in cleaning applications where its solvent properties complement those of related compounds like cyclohexanone and 5-methylhexan-2-one. OYSI maintains reliable supply chains for 2-methylcyclohexan-1-one, supporting European industrial customers with consistent quality and technical expertise for their specialized chemical requirements.

Safety & Classification

Warning
Classification:

Flam. Liq. 3; Acute Tox. 4 *

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H226

Flammable liquid and vapour.

H332

Harmful if inhaled.

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

Inhalation

Harmful

Measures if vapours or dust are inhaled

First Aid Actions

  • +P304IF INHALED:
  • +P340Remove person to fresh air and keep comfortable for breathing.
  • +P311Call 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 Number2297
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping Name2-Methylcyclohexanon
Marine PollutantNo

Frequently Asked Questions

What is 2-methylcyclohexan-1-one?

2-methylcyclohexan-1-one is an organic ketone compound with the molecular formula C7H12O and CAS number 583-60-8. This cyclic ketone features a six-membered cyclohexane ring with a ketone functional group at position 1 and a methyl substituent at position 2. With a molecular weight of 112.17 g/mol, it belongs to the family of substituted cyclohexanones and is classified as a flammable liquid with moderate acute toxicity properties.

What are the physicochemical properties of 2-methylcyclohexan-1-one?

2-methylcyclohexan-1-one is a colorless to pale yellow liquid at room temperature with a characteristic ketonic odor. As a moderately polar organic compound, it exhibits limited water solubility but is readily soluble in most organic solvents including alcohols, ethers, and hydrocarbons. The compound has a density lower than water and possesses typical ketone reactivity, making it susceptible to nucleophilic addition reactions and reduction processes.

What is 2-methylcyclohexan-1-one used for?

2-methylcyclohexan-1-one serves primarily as an intermediate in organic synthesis and pharmaceutical manufacturing. The compound is utilized in the production of fine chemicals, fragrances, and specialty pharmaceuticals due to its reactive ketone functionality. It also finds applications as a solvent in certain industrial processes and as a building block for the synthesis of more complex cyclic compounds in research and development laboratories.

How to handle 2-methylcyclohexan-1-one safely?

2-methylcyclohexan-1-one requires careful handling due to its flammable and moderately toxic properties. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and appropriate respiratory protection when ventilation is inadequate. Work should be conducted in well-ventilated areas away from ignition sources, heat, and open flames. Avoid direct skin contact and inhalation of vapors, and ensure proper grounding of equipment to prevent static electricity buildup during transfer operations.

How to store 2-methylcyclohexan-1-one correctly?

2-methylcyclohexan-1-one should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources, ignition sources, and direct sunlight. Storage areas must be equipped with appropriate fire suppression systems and spill containment measures. Keep containers away from incompatible materials such as strong oxidizing agents and bases. Ensure storage temperature remains stable and consider using explosion-proof electrical equipment in storage areas.

What to do in case of contact with 2-methylcyclohexan-1-one?

In case of skin contact with 2-methylcyclohexan-1-one, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15 minutes and seek medical attention. If inhaled, move the person to fresh air and monitor breathing. In case of ingestion, do not induce vomiting and seek immediate medical attention. Always consult safety data sheets for complete emergency procedures.

How to dispose of 2-methylcyclohexan-1-one appropriately?

2-methylcyclohexan-1-one must be disposed of as hazardous waste in accordance with local, national, and EU waste regulations. The compound should never be poured down drains or disposed of with regular waste. Disposal should be conducted through licensed hazardous waste contractors who can ensure proper treatment, such as high-temperature incineration or specialized chemical treatment. Empty containers may also require special handling and should be properly decontaminated before disposal.

How to transport 2-methylcyclohexan-1-one?

2-methylcyclohexan-1-one is classified under ADR Class 3 (Flammable Liquids), Packing Group III for transportation purposes. The compound must be packaged in UN-approved containers and properly labeled with appropriate hazard placards and markings. Transport vehicles require specific safety equipment and drivers must hold valid ADR certification. Documentation including transport documents and safety data sheets must accompany shipments, and specific routing restrictions may apply in certain areas.

Is 2-methylcyclohexan-1-one subject to particular regulations?

2-methylcyclohexan-1-one is subject to standard EU chemical regulations including REACH registration requirements and CLP classification obligations. The compound is not currently listed as a Substance of Very High Concern (SVHC) under REACH. Users must comply with workplace safety regulations, environmental discharge limits, and proper chemical inventory reporting. Industrial users may need to implement specific risk management measures and ensure compliance with local occupational exposure limits and environmental permits.

Where to buy 2-methylcyclohexan-1-one in Europe?

2-methylcyclohexan-1-one is available through OYSI, a established European chemical distributor specializing in high-quality industrial chemicals. OYSI provides reliable supply chains across Europe with proper documentation including certificates of analysis, safety data sheets, and regulatory compliance documentation. As a professional chemical distributor, OYSI ensures that all products meet European quality standards and regulatory requirements, offering technical support and logistics solutions for industrial customers throughout the European market.

Data Sources

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