Cyclohexanol
C6H12O
cyclohexanol
Consulting for Cyclohexanol
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Identification
- CAS Number
- 108-93-0
- EC Number
- 203-630-6
- UN Number
- 1987
- Index Number
- 603-009-00-3
- PubChem CID
- 7966
Physical-chemical properties
- Molecular Formula
- C6H12O
- Molar Mass
- 100.16 g/mol
- IUPAC Name
- cyclohexanol
Chemical Identifiers
- InChI
- InChI=1S/C6H12O/c7-6-4-2-1-3-5-6/h6-7H,1-5H2
- InChI Key
- HPXRVTGHNJAIIH-UHFFFAOYSA-N
Overview
Cyclohexanol (CAS 108-93-0) is a secondary cyclic alcohol with characteristic hygroscopic properties and moderate toxicity profile. Cyclohexanol represents an important intermediate chemical compound widely utilized across various industrial applications. This colorless to slightly yellow liquid exhibits a characteristic camphor-like odor and demonstrates excellent solubility in most organic solvents while maintaining limited water solubility. As a secondary alcohol derived from cyclohexane, cyclohexanol serves as a crucial building block in organic synthesis and chemical manufacturing processes. The compound presents specific safety considerations requiring careful handling protocols. Classified under GHS pictogram GHS07 with a "Warning" signal word, cyclohexanol exhibits acute toxicity category 4 properties and causes skin irritation. Additionally, it may cause specific target organ toxicity following single exposure, particularly affecting the respiratory system. Its ADR classification as Class 3 indicates flammable liquid properties, necessitating appropriate storage and transportation measures in compliance with hazardous materials regulations. Primary industrial applications include its use as a solvent for various chemical processes, particularly in paint and coating formulations. Cyclohexanol also functions as an important intermediate in the production of adipic acid, which is subsequently utilized in nylon manufacturing. The compound finds additional applications in the synthesis of cyclohexanone and other cyclic compounds. Unlike aromatic solvents such as 1,4-xylene or 1-chloro-4-methylbenzene, cyclohexanol offers specific advantages in applications requiring cyclic alcohol functionality. Chemical processors and manufacturers rely on cyclohexanol's consistent quality and performance characteristics across diverse formulation requirements. OYSI provides reliable access to high-grade cyclohexanol, ensuring consistent supply chain support for European industrial customers requiring this essential chemical intermediate.
Safety & Classification
Acute Tox. 4 *; Acute Tox. 4 *; STOT SE 3; Skin Irrit. 2
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
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
Measures if vapours or dust are inhaled
Skin Contact
Measures if substance contacts the skin
First Aid Actions
- +P302IF ON SKIN:
- +P352Wash with plenty of water.
- +P361Take off immediately all contaminated clothing.
- +P313Get medical advice/attention.
Related hazard statements:
Ingestion
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 Number | 1987 |
| ADR Class | 3 |
| Packing Group | III |
| Tunnel Code | D/E |
| Proper Shipping Name | Cyclohexanol, technisch, flüssig, entzündbar, Flp. <= 60 °C |
| Marine Pollutant | No |
Frequently Asked Questions
What is cyclohexanol?
Cyclohexanol is an organic chemical compound with the molecular formula C6H12O and a molecular weight of 100.16 g/mol. It belongs to the alcohol family and consists of a cyclohexane ring with one hydroxyl (-OH) group attached. This saturated cyclic alcohol is widely used in industrial applications as a solvent and chemical intermediate. Cyclohexanol is classified as a hazardous substance with acute toxicity and skin irritation properties, requiring careful handling in professional environments.
What are the physicochemical properties of cyclohexanol?
Cyclohexanol is a colorless, viscous liquid at room temperature with a characteristic camphor-like odor. It has moderate solubility in water due to its hydroxyl group, while being readily soluble in most organic solvents such as ethanol, ether, and acetone. The compound exhibits typical alcohol properties including hydrogen bonding capabilities. Its molecular structure features a six-membered saturated ring, making it relatively stable under normal conditions while maintaining reactivity typical of secondary alcohols.
What is cyclohexanol used for?
Cyclohexanol serves primarily as a chemical intermediate in the production of adipic acid, which is essential for nylon-6,6 manufacturing. It is extensively used as a solvent for resins, waxes, and various organic compounds in industrial processes. The compound also finds applications in the production of plasticizers, detergents, and other specialty chemicals. Additionally, cyclohexanol is employed in pharmaceutical synthesis and as a stabilizer in certain chemical formulations, making it valuable across multiple industrial sectors.
How to handle cyclohexanol safely?
Cyclohexanol requires careful handling due to its Acute Tox. 4 classification and skin irritation properties. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing to prevent skin and eye contact. Work in well-ventilated areas or use local exhaust ventilation to minimize inhalation exposure. Avoid sources of ignition as it is classified as a flammable liquid (ADR Class 3). Always wash hands thoroughly after handling and never eat, drink, or smoke while working with this substance.
How to store cyclohexanol correctly?
Cyclohexanol must be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames due to its flammable nature. Keep containers in secondary containment to prevent spills and ensure they are properly labeled according to CLP requirements. Store away from oxidizing agents and strong acids to prevent dangerous reactions. Maintain storage temperatures below 25°C when possible and ensure storage areas are equipped with appropriate fire suppression systems and spill containment measures.
What to do in case of contact with cyclohexanol?
In case of skin contact with cyclohexanol, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. If eye contact occurs, rinse immediately with clean water for 15-20 minutes and remove contact lenses if present and easily removable. For inhalation exposure, move the person to fresh air immediately. If ingested, rinse mouth and do not induce vomiting. Seek medical attention if irritation persists or if large amounts were involved in the exposure.
How to dispose of cyclohexanol properly?
Cyclohexanol disposal must comply with local, national, and EU waste regulations as it is classified as hazardous waste. The substance should be collected in appropriate containers and disposed of through licensed hazardous waste disposal facilities. Do not pour down drains or dispose of with regular waste. Consider recycling or recovery options where available and economically feasible. Contaminated containers must also be treated as hazardous waste unless properly decontaminated according to regulatory standards. Always consult local environmental authorities for specific disposal requirements.
How to transport cyclohexanol?
Cyclohexanol is classified under ADR as Class 3 (Flammable Liquids), Packing Group III, requiring specific transport regulations. Packages must be properly labeled with GHS07 pictograms and 'Warning' signal word according to CLP requirements. Use appropriate packaging that meets UN specifications for flammable liquids. Transport vehicles must carry proper documentation including safety data sheets and emergency response information. Drivers require ADR certification for hazardous materials transport, and vehicles must be equipped with appropriate safety equipment and placarding.
Is cyclohexanol subject to specific regulations?
Cyclohexanol is regulated under multiple European frameworks including REACH regulation, where it requires registration for manufacture or import above one tonne per year. The substance is classified under CLP regulation with specific labeling and packaging requirements including GHS07 pictogram and 'Warning' signal word. It is not currently listed as a Substance of Very High Concern (SVHC). Transport is regulated under ADR as Class 3 dangerous goods, and workplace exposure limits may apply under occupational health regulations in various EU member states.
Where to buy cyclohexanol in Europe?
OYSI is a reliable European distributor offering high-quality cyclohexanol for industrial and professional applications. As a specialized chemical distributor, OYSI ensures compliance with all relevant European regulations including REACH and CLP requirements. The company provides proper documentation, safety data sheets, and technical support for cyclohexanol purchases. OYSI's European network enables efficient supply chain management for customers across various industries requiring this important chemical intermediate and solvent for their manufacturing processes.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.