4-methylpentan-2-ol

C6H14O

CAS108-11-2
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
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Identification

CAS Number
108-11-2
EC Number
203-551-7
UN Number
2053
Index Number
603-008-00-8
PubChem CID
7910

Physical-chemical properties

Molecular Formula
C6H14O
Molar Mass
102.17 g/mol
IUPAC Name
4-methylpentan-2-ol

Chemical Identifiers

InChI
InChI=1S/C6H14O/c1-5(2)4-6(3)7/h5-7H,4H2,1-3H3
InChI Key
WVYWICLMDOOCFB-UHFFFAOYSA-N

Overview

4-methylpentan-2-ol (CAS 108-11-2) is a secondary alcohol with branched chain structure and moderate volatility characteristics. This branched secondary alcohol belongs to the C6 alcohol family and serves as an important intermediate in various industrial applications. With its molecular formula C6H14O and molecular weight of 102.17 g/mol, 4-methylpentan-2-ol exhibits typical alcohol functionality while maintaining distinct physical and chemical properties due to its branched structure. The compound is classified under EC number 203-551-7 and presents specific handling considerations due to its flammable nature. From a safety perspective, 4-methylpentan-2-ol is classified as a Category 3 flammable liquid (Flam. Liq. 3) and carries specific target organ toxicity warnings (STOT SE 3), requiring appropriate handling protocols in industrial environments. The substance displays GHS02 and GHS07 pictograms with a "Warning" signal word, indicating moderate hazard levels that necessitate standard safety precautions during storage, handling, and transportation. Under ADR regulations, it falls under Class 3 dangerous goods classification. The compound finds application in several industrial sectors, primarily as a solvent in coating formulations and as an intermediate in organic synthesis processes. Its moderate polarity and volatility make it suitable for specialized extraction processes and as a component in certain cleaning formulations. Like related compounds such as 1-methoxypropan-2-ol and butyl acetate, it serves important functions in industrial solvent applications where specific evaporation rates and compatibility characteristics are required. OYSI maintains reliable supply chains for 4-methylpentan-2-ol, ensuring consistent availability for European industrial customers requiring this specialized alcohol intermediate.

Safety & Classification

Warning
Classification:

Flam. Liq. 3; STOT SE 3

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H226

Flammable liquid and vapour.

H335

May cause respiratory irritation.

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

Irritant

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 Number2053
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping NameMethylisobutylcarbinol
Marine PollutantNo

Frequently Asked Questions

What is 4-methylpentan-2-ol?

4-methylpentan-2-ol is a secondary alcohol with the molecular formula C6H14O and CAS number 108-11-2. This branched-chain alcohol has a molecular weight of 102.17 g/mol and belongs to the class of organic compounds known as aliphatic alcohols. It is classified as a flammable liquid with moderate hazard potential, requiring appropriate handling precautions in industrial and laboratory settings.

What are the physicochemical properties of 4-methylpentan-2-ol?

4-methylpentan-2-ol is a colorless liquid at room temperature with a characteristic alcohol odor. As a secondary alcohol with six carbon atoms, it exhibits moderate volatility and is partially soluble in water due to its hydroxyl group, while being fully miscible with most organic solvents. The compound has typical alcohol properties including hydrogen bonding capability and moderate boiling point.

What is 4-methylpentan-2-ol used for?

4-methylpentan-2-ol serves as an important intermediate in organic synthesis and chemical manufacturing processes. It is commonly used as a solvent in various industrial applications, particularly in the production of esters, ethers, and other organic compounds. The compound also finds application in the formulation of specialty chemicals, cleaning agents, and as a reaction medium in pharmaceutical and fine chemical synthesis.

How to handle 4-methylpentan-2-ol safely?

4-methylpentan-2-ol requires careful handling due to its flammable nature and potential health effects. Always wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume hoods to avoid inhalation exposure. Keep away from ignition sources, heat, and open flames. Use non-sparking tools and ensure proper grounding of equipment during transfer operations.

How to store 4-methylpentan-2-ol correctly?

4-methylpentan-2-ol should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and ignition points. Store below 25°C in original containers made of compatible materials such as glass or suitable plastics. Keep separate from strong oxidizing agents, acids, and incompatible materials. Ensure storage areas are equipped with appropriate fire suppression systems and spill containment measures.

What to do in case of contact with 4-methylpentan-2-ol?

In case of skin contact with 4-methylpentan-2-ol, 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 while holding eyelids open. If inhaled, move the person to fresh air immediately. In case of ingestion, do not induce vomiting and seek immediate medical attention.

How to dispose of 4-methylpentan-2-ol appropriately?

4-methylpentan-2-ol must be disposed of in accordance with local, national, and international waste regulations as a hazardous chemical waste. The substance should be collected in appropriate waste containers and handed over to licensed waste disposal companies. Never dispose of it down drains or into the environment. Consider recycling or recovery options where technically and economically feasible before disposal.

How to transport 4-methylpentan-2-ol?

4-methylpentan-2-ol is classified under ADR as Class 3 (flammable liquids), Packing Group III, indicating moderate danger during transport. It must be packaged in UN-approved containers with appropriate marking and labeling including the flammable liquid pictogram. Transport vehicles must comply with ADR requirements including proper placarding, equipment, and driver certification for dangerous goods transportation.

Is 4-methylpentan-2-ol subject to specific regulations?

4-methylpentan-2-ol is subject to European REACH regulation requiring registration for manufacture or import above one tonne per year. Under CLP regulation, it must be classified and labeled with Warning signal word and GHS02/GHS07 pictograms due to its flammable and health hazard properties. The substance is not currently listed as an SVHC (Substance of Very High Concern) under REACH.

Where to buy 4-methylpentan-2-ol in Europe?

4-methylpentan-2-ol is available through OYSI, a specialized European distributor of technical chemicals serving industrial customers across Europe. OYSI provides reliable supply chains, technical support, and regulatory compliance assistance for this and other specialty chemicals. Contact OYSI directly for availability, specifications, packaging options, and delivery throughout European markets with full documentation and safety data sheets.

Data Sources

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