2-methylpropyl acetate

C6H12O2

CAS110-19-0
GHS02 Gefahrensymbol: Entzündbar – Flamme
Danger

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Identification

CAS Number
110-19-0
EC Number
203-745-1
UN Number
1213
Index Number
607-026-00-7
PubChem CID
8038

Physical-chemical properties

Molecular Formula
C6H12O2
Molar Mass
116.16 g/mol
IUPAC Name
2-methylpropyl acetate

Chemical Identifiers

InChI
InChI=1S/C6H12O2/c1-5(2)4-8-6(3)7/h5H,4H2,1-3H3
InChI Key
GJRQTCIYDGXPES-UHFFFAOYSA-N

Overview

2-methylpropyl acetate (CAS 110-19-0) is an ester compound characterized by its excellent solvent properties and distinctive fruity odor. This acetate ester, also known as isobutyl acetate, represents an important industrial solvent with the molecular formula C6H12O2 and a molecular weight of 116.16 g/mol. The compound is formed through the esterification reaction between acetic acid and 2-methylpropanol, resulting in a colorless liquid with notable volatility and moderate polarity. Its chemical structure features a branched alkyl chain attached to an acetate group, which contributes to its unique solubility characteristics and evaporation rate. From a safety perspective, 2-methylpropyl acetate is classified as a Category 2 flammable liquid under GHS regulations, requiring the "Danger" signal word and GHS02 flame pictogram. The compound falls under ADR Class 3 for transportation purposes, necessitating appropriate handling protocols and storage conditions to prevent ignition sources. Despite its flammability classification, the substance exhibits relatively low toxicity profiles when proper industrial hygiene measures are implemented. The compound finds extensive application across multiple industrial sectors, primarily as a high-performance solvent in coating formulations, where it provides excellent flow properties and film formation characteristics. In the printing industry, 2-methylpropyl acetate serves as an effective solvent for inks and thinners, offering controlled evaporation rates similar to other acetate esters like ethyl propanoate. Additionally, it functions as an extraction solvent in pharmaceutical and chemical processing applications, where its selective solubility properties prove valuable. OYSI maintains reliable supply chains for 2-methylpropyl acetate to support diverse European industrial requirements, ensuring consistent quality and regulatory compliance for technical applications.

Safety & Classification

Danger
Classification:

Flam. Liq. 2

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H225

Highly flammable liquid and vapour.

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

Transport (ADR)

UN Number1213
ADR Class3
Packing GroupII
Tunnel CodeD/E
Proper Shipping NameIsobutylacetat
Marine PollutantNo

Frequently Asked Questions

What is 2-methylpropyl acetate?

2-methylpropyl acetate is an organic chemical compound with the molecular formula C6H12O2 and CAS number 110-19-0. This ester has a molecular weight of 116.16 g/mol and belongs to the acetate family of compounds. It is classified as a flammable liquid with moderate fire hazards, requiring careful handling and storage. The compound is commonly used in industrial applications as a solvent and chemical intermediate.

What are the physicochemical properties of 2-methylpropyl acetate?

2-methylpropyl acetate is a colorless liquid with a characteristic fruity, sweet odor typical of acetate esters. It has limited solubility in water but is miscible with most organic solvents including alcohols and hydrocarbons. The compound has a relatively low boiling point and moderate volatility at room temperature. Its ester structure gives it good solvency properties for various organic materials and polymers.

What is 2-methylpropyl acetate used for?

2-methylpropyl acetate is primarily used as a solvent in industrial applications including paints, coatings, and lacquers. It serves as an excellent solvent for cellulose derivatives, resins, and various polymers due to its good solvency power and moderate evaporation rate. The compound is also used in the production of printing inks, adhesives, and as a chemical intermediate in organic synthesis processes.

How to handle 2-methylpropyl acetate safely?

2-methylpropyl acetate requires careful handling due to its flammable nature (Flam. Liq. 2 classification). Use appropriate personal protective equipment including safety glasses, chemical-resistant gloves, and adequate ventilation. Eliminate all ignition sources and use explosion-proof electrical equipment. Handle in well-ventilated areas or under fume hoods to prevent vapor accumulation. Ground and bond containers during transfer operations to prevent static electricity buildup.

How to store 2-methylpropyl acetate correctly?

2-methylpropyl acetate must be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames. Use appropriate fire-resistant storage cabinets for flammable liquids and ensure containers are properly sealed to prevent vapor escape. Keep away from strong oxidizing agents and incompatible materials. Storage areas should be equipped with appropriate fire suppression systems and spill containment measures.

What to do in case of contact with 2-methylpropyl acetate?

In case of skin contact with 2-methylpropyl acetate, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water. For eye contact, rinse immediately with plenty of clean water for at least 15 minutes and seek medical attention. 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 2-methylpropyl acetate properly?

2-methylpropyl acetate must be disposed of according to local, national, and international waste regulations as a hazardous waste. Contact licensed waste disposal companies specializing in flammable solvents and organic chemicals. Never dispose of down drains, sewers, or into the environment. Small quantities can often be recycled through solvent recovery processes. Always consult with waste management professionals to ensure compliance with applicable regulations.

How to transport 2-methylpropyl acetate?

2-methylpropyl acetate is classified under ADR Class 3 (Flammable Liquids), Packing Group II, requiring specific transport regulations compliance. Use appropriate UN-specification packaging designed for flammable liquids and ensure proper labeling with GHS02 pictogram and 'Danger' signal word. Transport vehicles must comply with ADR requirements including appropriate equipment and driver training. Shipping documents must include proper shipping names and hazard classifications.

Is 2-methylpropyl acetate subject to specific regulations?

2-methylpropyl acetate is subject to European REACH regulation requiring registration for commercial use. It falls under CLP regulation with mandatory classification as Flam. Liq. 2 requiring specific labeling and safety data sheets. The compound is not listed as a Substance of Very High Concern (SVHC). Transport is regulated under ADR for dangerous goods, and workplace exposure may be subject to occupational health regulations.

Where to buy 2-methylpropyl acetate in Europe?

2-methylpropyl acetate is available through OYSI, a leading European distributor of technical chemicals and industrial solvents. OYSI provides high-quality 2-methylpropyl acetate with full regulatory compliance including REACH registration and proper CLP labeling. As a specialized chemical distributor, OYSI offers technical support, safety documentation, and reliable supply chains across European markets for industrial customers requiring this flammable solvent.

Data Sources

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