2-methylpropyl 2-methylprop-2-enoate

C8H14O2

CAS97-86-9
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
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Identification

CAS Number
97-86-9
EC Number
202-613-0
UN Number
2283
Index Number
607-113-00-X
PubChem CID
7352

Physical-chemical properties

Molecular Formula
C8H14O2
Molar Mass
142.20 g/mol
IUPAC Name
2-methylpropyl 2-methylprop-2-enoate

Chemical Identifiers

InChI
InChI=1S/C8H14O2/c1-6(2)5-10-8(9)7(3)4/h6H,3,5H2,1-2,4H3
InChI Key
RUMACXVDVNRZJZ-UHFFFAOYSA-N

Overview

2-methylpropyl 2-methylprop-2-enoate (CAS 97-86-9) is an acrylic ester monomer with excellent polymerization properties and moderate volatility characteristics. This chemical compound, commonly known in industrial applications as isobutyl methacrylate, represents a significant member of the methacrylate ester family used extensively in polymer chemistry and materials science. With its molecular formula C8H14O2 and molecular weight of 142.2 g/mol, this colorless liquid exhibits the characteristic reactivity of acrylic monomers while offering unique processing advantages due to its branched alkyl structure. The substance is classified under several hazard categories including Flammable Liquid Category 3, requiring appropriate storage and handling precautions in industrial environments. Its classification as Skin Irritant Category 2 and Skin Sensitizer Category 1B necessitates proper personal protective equipment during handling operations. The compound also carries a STOT SE 3 classification, indicating specific target organ toxicity concerns that must be addressed in workplace safety protocols. Key industrial applications include the production of acrylic polymers and copolymers for coatings, adhesives, and sealants where enhanced flexibility and weather resistance are required. The compound serves as a reactive diluent in UV-curable formulations and finds extensive use in the manufacture of impact-resistant plastics. Its polymerization characteristics make it particularly valuable in applications requiring good adhesion to various substrates, similar to other methacrylate compounds like 2-methylpropyl prop-2-enoate, though with enhanced thermal stability properties. The substance falls under ADR Class 3 for transportation purposes, requiring compliance with specific packaging and shipping regulations for flammable liquids. OYSI maintains reliable supply chains for this essential industrial chemical to support European manufacturing operations.

Safety & Classification

Warning
Classification:

Flam. Liq. 3; STOT SE 3; Skin Irrit. 2; Skin Sens. 1B

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H226

Flammable liquid and vapour.

H335

May cause respiratory irritation.

H315

Causes skin irritation.

H317

May cause an allergic skin reaction.

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:

Skin Contact

Irritant

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:

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 Number2283
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping NameIsobutylmethacrylat, stabilisiert
Marine PollutantNo

Frequently Asked Questions

What is 2-methylpropyl 2-methylprop-2-enoate?

2-methylpropyl 2-methylprop-2-enoate is an organic chemical compound with the molecular formula C8H14O2 and CAS number 97-86-9. This ester has a molecular weight of 142.2 g/mol and belongs to the family of methacrylate compounds. It is classified as a flammable liquid with skin sensitizing and irritating properties, requiring careful handling in industrial applications.

What are the physicochemical properties of 2-methylpropyl 2-methylprop-2-enoate?

2-methylpropyl 2-methylprop-2-enoate is a liquid at room temperature with characteristic ester properties. As a methacrylate compound with molecular formula C8H14O2, it exhibits typical organic solvent characteristics. The substance has a molecular weight of 142.2 g/mol and demonstrates flammable properties, requiring storage away from ignition sources and proper ventilation during handling.

What is 2-methylpropyl 2-methylprop-2-enoate used for?

2-methylpropyl 2-methylprop-2-enoate is primarily used as a monomer in polymer synthesis and coating applications. As a methacrylate ester, it serves in the production of acrylic resins, adhesives, and specialty coatings. Industrial applications include manufacturing of paints, varnishes, and polymer materials where its chemical structure provides specific performance characteristics in the final products.

How to handle 2-methylpropyl 2-methylprop-2-enoate safely?

2-methylpropyl 2-methylprop-2-enoate requires careful handling due to its flammable and skin-sensitizing properties. Operators must wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Ensure adequate ventilation, avoid skin contact, and keep away from ignition sources. Use in well-ventilated areas and have emergency procedures in place for spills or exposure incidents.

How to store 2-methylpropyl 2-methylprop-2-enoate correctly?

2-methylpropyl 2-methylprop-2-enoate must be stored in a cool, dry, well-ventilated area away from heat sources and ignition points. Keep containers tightly closed and protected from direct sunlight. Store separately from incompatible materials such as strong oxidizers and acids. Maintain storage temperatures below recommended limits and ensure proper labeling with GHS02 and GHS07 pictograms as required.

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

Immediate action is required upon contact with 2-methylpropyl 2-methylprop-2-enoate due to its skin irritating and sensitizing properties. For skin contact, immediately remove contaminated clothing and rinse affected area with plenty of water for at least 15 minutes. For eye contact, flush with water and seek medical attention. If inhaled, move to fresh air immediately and seek medical advice if symptoms persist.

How to dispose of 2-methylpropyl 2-methylprop-2-enoate appropriately?

2-methylpropyl 2-methylprop-2-enoate must be disposed of according to local and European waste regulations as hazardous chemical waste. Contact licensed waste disposal contractors for proper treatment and disposal. Do not discharge into sewers, waterways, or soil. Empty containers should also be treated as hazardous waste due to residual contamination. Follow local environmental protection guidelines and maintain disposal documentation.

How to transport 2-methylpropyl 2-methylprop-2-enoate?

2-methylpropyl 2-methylprop-2-enoate is classified under ADR Class 3 (flammable liquids), Packing Group III for transportation. Packages must be properly labeled with appropriate hazard markings and transport documents completed. Use approved packaging suitable for flammable liquids and ensure vehicles meet ADR requirements. Drivers must hold appropriate dangerous goods training certificates and carry emergency response information during transport.

Is 2-methylpropyl 2-methylprop-2-enoate subject to specific regulations?

2-methylpropyl 2-methylprop-2-enoate is regulated under European REACH and CLP regulations requiring proper registration, classification, and labeling. It carries Warning signal word with GHS02 and GHS07 pictograms due to its flammable and health hazard properties. The substance is not currently listed as SVHC (Substance of Very High Concern) but must comply with standard chemical safety and occupational health regulations.

Where to buy 2-methylpropyl 2-methylprop-2-enoate in Europe?

2-methylpropyl 2-methylprop-2-enoate is available through OYSI, a professional European distributor of technical chemicals. OYSI provides this substance with full regulatory compliance including proper labeling, safety data sheets, and documentation required under European regulations. As specialized chemical distributors, OYSI ensures product quality and regulatory compliance for industrial customers across European markets.

Data Sources

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