Heptan-2-one

C7H14O

heptan-2-one

CAS110-43-0
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
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Identification

CAS Number
110-43-0
EC Number
203-767-1
UN Number
1110
Index Number
606-024-00-3
PubChem CID
8051

Physical-chemical properties

Molecular Formula
C7H14O
Molar Mass
114.19 g/mol
IUPAC Name
heptan-2-one

Chemical Identifiers

InChI
InChI=1S/C7H14O/c1-3-4-5-6-7(2)8/h3-6H2,1-2H3
InChI Key
CATSNJVOTSVZJV-UHFFFAOYSA-N

Overview

Heptan-2-one (CAS 110-43-0) is a ketone solvent with excellent dissolving properties and moderate volatility for industrial applications. Heptan-2-one, also known by its IUPAC name heptan-2-one, is a seven-carbon ketone widely utilized in industrial solvent applications. With the molecular formula C7H14O and a molecular weight of 114.19 g/mol, this organic compound belongs to the methyl ketone family and exhibits characteristic properties that make it valuable for various technical processes. This colorless liquid demonstrates excellent solvency for resins, polymers, and organic compounds, making it particularly useful in formulation chemistry. Its moderate boiling point and controlled evaporation rate provide optimal processing windows for industrial applications. The compound's chemical structure, featuring a ketone functional group at the second carbon position, contributes to its distinctive solvent characteristics and reactivity profile. From a safety perspective, heptan-2-one is classified as a flammable liquid (Class 3) and requires appropriate handling precautions. The substance carries GHS pictograms GHS02 and GHS07, with a "Warning" signal word indicating moderate hazard levels. Proper ventilation and fire prevention measures are essential when working with this material, as it falls under the Flam. Liq. 3 and Acute Tox. 4 classifications. Industrial applications include its use as a solvent in paint and coating formulations, adhesive manufacturing, and extraction processes. The compound also serves in specialized cleaning applications where controlled solvency is required. In some formulations, it may be used alongside other solvents such as 1,4-xylene for enhanced performance characteristics. OYSI provides high-quality heptan-2-one to meet diverse industrial requirements across European markets, ensuring reliable supply for technical applications.

Safety & Classification

Warning
Classification:

Flam. Liq. 3; Acute Tox. 4 *; Acute Tox. 4 *

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H226

Flammable liquid and vapour.

H332

Harmful if inhaled.

H302

Harmful if swallowed.

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:

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 Number1110
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping Namen-Amylmethylketon
Marine PollutantNo

Frequently Asked Questions

What is heptan-2-one?

Heptan-2-one is an organic ketone compound with the molecular formula C7H14O and CAS number 110-43-0. It is a seven-carbon chain ketone where the carbonyl group is located at the second carbon position. With a molecular weight of 114.19 g/mol, this flammable liquid is classified as a hazardous substance under GHS regulations, displaying warning pictograms for flammability and toxicity concerns.

What are the physicochemical properties of heptan-2-one?

Heptan-2-one is a colorless liquid ketone with a characteristic fruity, banana-like odor at room temperature. It has moderate volatility and is sparingly soluble in water but readily dissolves in organic solvents like ethanol and acetone. The compound has a boiling point around 151°C and a flash point that classifies it as a Class 3 flammable liquid under transport regulations.

What is heptan-2-one used for?

Heptan-2-one is primarily used as a solvent in industrial applications, particularly in coatings, paints, and adhesives formulations. It serves as an intermediate in organic synthesis and chemical manufacturing processes. The compound is also utilized in the production of fragrances and flavoring agents due to its fruity odor profile, and finds application in cleaning products and degreasers.

How to handle heptan-2-one safely?

Heptan-2-one requires careful handling with appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume hoods to prevent vapor inhalation. Avoid contact with skin and eyes, and keep away from ignition sources, heat, and sparks due to its flammable nature. Use only non-sparking tools and equipment.

How to store heptan-2-one correctly?

Heptan-2-one must be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames. Use tightly sealed original containers made of compatible materials and store in a designated flammable liquids cabinet or storage area. Keep away from oxidizing agents and incompatible materials. Maintain storage temperatures below 25°C when possible and ensure proper grounding of containers.

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

Heptan-2-one contact requires immediate action: for skin contact, remove contaminated clothing and wash 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. If swallowed, do not induce vomiting and seek medical attention immediately.

How to dispose of heptan-2-one properly?

Heptan-2-one must be disposed of as hazardous waste in accordance with local, national, and EU regulations. Contact licensed hazardous waste disposal companies for collection and treatment. Do not discharge into drains, waterways, or soil. Small quantities can be disposed of through solvent recovery programs. Empty containers should be properly cleaned and recycled according to local waste management guidelines.

How to transport heptan-2-one?

Heptan-2-one is classified as ADR Class 3 (flammable liquids), Packing Group III for transportation. It requires appropriate packaging, labeling, and documentation according to dangerous goods regulations. Vehicles must carry proper placarding and emergency equipment. Drivers need ADR certification for hazardous materials transport. Shipping containers must meet UN specification standards and proper segregation from incompatible materials.

Is heptan-2-one subject to specific regulations?

Heptan-2-one is regulated under the EU CLP Regulation as a flammable liquid and acute toxicity hazard, requiring appropriate classification and labeling. It falls under REACH registration requirements for importers and manufacturers. The substance is not currently listed as an SVHC (Substance of Very High Concern). Users must comply with occupational exposure limits and workplace safety regulations in their respective countries.

Where to buy heptan-2-one in Europe?

Heptan-2-one is available through OYSI, a reliable European distributor of specialty chemicals serving industrial customers across the continent. OYSI provides quality-assured heptan-2-one with proper documentation, safety data sheets, and regulatory compliance certificates. As a professional chemical distributor, OYSI ensures proper handling, storage, and delivery of this flammable substance according to ADR transportation requirements and customer specifications.

Data Sources

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