2-methylpropyl propanoate

C7H14O2

CAS540-42-1
GHS02 Gefahrensymbol: Entzündbar – Flamme
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Identification

CAS Number
540-42-1
EC Number
208-746-0
UN Number
2394
Index Number
607-029-00-3
PubChem CID
10895

Physical-chemical properties

Molecular Formula
C7H14O2
Molar Mass
130.18 g/mol
IUPAC Name
2-methylpropyl propanoate

Chemical Identifiers

InChI
InChI=1S/C7H14O2/c1-4-7(8)9-5-6(2)3/h6H,4-5H2,1-3H3
InChI Key
FZXRXKLUIMKDEL-UHFFFAOYSA-N

Overview

2-methylpropyl propanoate (CAS 540-42-1) is an ester compound with characteristic fruity odor and flammable liquid properties. This organic ester, also known by its IUPAC name 2-methylpropyl propanoate, belongs to the propanoate family of chemical compounds. With the molecular formula C7H14O2 and a molecular weight of 130.18 g/mol, this colorless liquid exhibits the typical properties of aliphatic esters. The compound is formed through the esterification reaction between propionic acid and isobutanol, resulting in a molecule that combines the structural features of both parent compounds. As a flammable liquid classified under Flam. Liq. 3 according to GHS standards, 2-methylpropyl propanoate requires careful handling and storage. The compound carries the warning signal word and GHS02 pictogram, indicating its fire hazard potential. For transportation purposes, it falls under ADR class 3, necessitating appropriate safety measures during shipping and logistics operations. The substance shares similar handling characteristics with related esters such as 1-methoxypropan-2-yl acetate and butyl butanoate, which belong to the same functional group family. In industrial applications, 2-methylpropyl propanoate serves primarily as a solvent in coating formulations, paint thinners, and specialty chemical processes. Its ester functionality and favorable volatility profile make it valuable in the production of fragrances and flavoring agents, where its fruity aroma characteristics are particularly appreciated. The compound also finds use in various extraction processes and as an intermediate in organic synthesis reactions. OYSI maintains reliable supply chains for 2-methylpropyl propanoate to serve the diverse needs of European industrial customers across multiple sectors.

Safety & Classification

Warning
Classification:

Flam. Liq. 3

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H226

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 Number2394
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping NameIsobutylpropionat
Marine PollutantNo

Frequently Asked Questions

What is 2-methylpropyl propanoate?

2-methylpropyl propanoate is an organic ester compound with the molecular formula C7H14O2 and CAS number 540-42-1. This chemical has a molecular weight of 130.18 g/mol and belongs to the propanoate ester family. It is classified as a flammable liquid under GHS regulations with the hazard class Flam. Liq. 3, requiring appropriate safety precautions during handling and storage.

What are the physicochemical properties of 2-methylpropyl propanoate?

2-methylpropyl propanoate is a colorless liquid ester at room temperature with a characteristic fruity odor typical of propanoate esters. As an organic ester, it has limited solubility in water but is readily soluble in organic solvents such as alcohols and hydrocarbons. The compound has a relatively low vapor pressure and exhibits typical ester chemical behavior including susceptibility to hydrolysis under acidic or basic conditions.

What is 2-methylpropyl propanoate used for?

2-methylpropyl propanoate is primarily used as a solvent in various industrial applications due to its favorable solubility properties. It serves as an intermediate in organic synthesis and chemical manufacturing processes. The compound is also utilized in the formulation of coatings, adhesives, and specialty chemical products. Its ester functionality makes it valuable in applications requiring controlled evaporation rates and compatibility with organic substrates.

How to handle 2-methylpropyl propanoate safely?

2-methylpropyl propanoate requires careful handling as a flammable liquid (Class 3). Workers must wear appropriate personal protective equipment including safety goggles, chemical-resistant gloves, and protective clothing. Work areas should have adequate ventilation to prevent vapor accumulation. Eliminate all ignition sources including open flames, hot surfaces, and electrical equipment that could generate sparks. Use explosion-proof equipment when necessary and ensure proper grounding of containers during transfer operations.

How to store 2-methylpropyl propanoate correctly?

2-methylpropyl propanoate must be stored in a cool, dry, well-ventilated area away from heat sources, ignition sources, and direct sunlight. Use approved containers made of compatible materials and ensure they are properly labeled and sealed. Storage areas should be equipped with appropriate fire suppression systems. Keep away from strong oxidizing agents and acids that could cause decomposition. Maintain storage temperatures below the substance's flash point and implement proper inventory rotation procedures.

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

In case of skin contact with 2-methylpropyl propanoate, 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. Always consult a physician if symptoms persist or worsen.

How to dispose of 2-methylpropyl propanoate appropriately?

2-methylpropyl propanoate 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 containers and handed over to licensed waste disposal companies specializing in flammable organic solvents. Never dispose of this chemical down drains, sewers, or onto the ground. Incineration at approved high-temperature facilities is typically the preferred disposal method for organic esters like this compound.

How to transport 2-methylpropyl propanoate?

2-methylpropyl propanoate is classified under ADR as Class 3 (flammable liquids), Packing Group III for transportation purposes. It must be packaged in UN-approved containers with appropriate hazard labels and documentation. Transport vehicles must comply with ADR regulations including proper placarding, emergency equipment, and driver certification. Shipments require proper shipping papers identifying the substance, its hazard class, and emergency response information. Avoid transport during extreme temperatures.

Is 2-methylpropyl propanoate subject to specific regulations?

2-methylpropyl propanoate is subject to various chemical regulations including REACH registration requirements in the European Union and CLP classification as a flammable liquid. It is not currently listed as a Substance of Very High Concern (SVHC) under REACH. The substance must comply with workplace exposure limits, transportation regulations (ADR), and environmental protection standards. Users must maintain safety data sheets and ensure proper risk assessments are conducted before use.

Where to buy 2-methylpropyl propanoate in Europe?

2-methylpropyl propanoate is available through OYSI, a specialized European distributor of technical chemicals and industrial raw materials. OYSI provides high-quality chemical products with full regulatory compliance and technical support throughout Europe. As an established chemical distributor, OYSI ensures proper documentation, safety data sheets, and regulatory compliance for all supplied chemicals. Contact OYSI directly for pricing, availability, and delivery options for 2-methylpropyl propanoate in your specific European location.

Data Sources

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