Methyl prop-2-enoate

C4H6O2

methyl prop-2-enoate

CAS96-33-3
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
Danger

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Identification

CAS Number
96-33-3
EC Number
202-500-6
UN Number
1919
Index Number
607-034-00-0
PubChem CID
7294

Physical-chemical properties

Molecular Formula
C4H6O2
Molar Mass
86.09 g/mol
IUPAC Name
methyl prop-2-enoate

Chemical Identifiers

InChI
InChI=1S/C4H6O2/c1-3-4(5)6-2/h3H,1H2,2H3
InChI Key
BAPJBEWLBFYGME-UHFFFAOYSA-N

Overview

Methyl prop-2-enoate (CAS 96-33-3) is an acrylic ester monomer with high reactivity and flammable properties used in polymer synthesis. This colorless liquid compound, also known as methyl acrylate, represents one of the most important building blocks in the acrylic chemistry sector. With its molecular formula C4H6O2 and molar mass of 86.09 g/mol, methyl prop-2-enoate exhibits characteristic properties of unsaturated esters, featuring a reactive double bond that enables rapid polymerization reactions. The substance belongs to the same chemical family as ethyl prop-2-enoate, sharing similar reactivity patterns but offering distinct processing advantages due to its lower molecular weight and volatility characteristics. Safety considerations are paramount when handling methyl prop-2-enoate, as evidenced by its classification under multiple hazard categories including flammable liquid (Category 2), acute toxicity, and irritant properties. The compound requires careful storage and handling protocols, with appropriate ventilation systems and fire prevention measures essential due to its ADR Class 3 classification. The presence of GHS02 and GHS06 pictograms alongside the "Danger" signal word emphasizes the need for comprehensive safety training and protective equipment during industrial operations. Primary industrial applications include the production of acrylic polymers for coatings, adhesives, and textile treatments. The compound serves as a key monomer in emulsion polymerization processes, enabling the manufacture of water-based paints and specialty coatings with enhanced durability and weather resistance. Additionally, methyl prop-2-enoate finds extensive use in the synthesis of copolymers for packaging materials and surface modification applications. OYSI maintains reliable supply chains for methyl prop-2-enoate, supporting European industrial customers with consistent quality and technical expertise across diverse application sectors.

Safety & Classification

Danger
Classification:

Flam. Liq. 2; Acute Tox. 3; Acute Tox. 4; Acute Tox. 4; STOT SE 3; Skin Irrit. 2; Eye Irrit. 2; S...

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H225

Highly flammable liquid and vapour.

H331

Toxic if inhaled.

H312

Harmful in contact with skin.

H302

Harmful if swallowed.

H335

May cause respiratory irritation.

H315

Causes skin irritation.

H319

Causes serious eye 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

Toxic

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

Harmful

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:

Eye Contact

Irritant

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

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 Number1919
ADR Class3
Packing GroupII
Tunnel CodeD/E
Proper Shipping NameMethylacrylat, stabilisiert
Marine PollutantNo

Frequently Asked Questions

What is methyl prop-2-enoate?

Methyl prop-2-enoate is an organic chemical compound with the molecular formula C4H6O2 and CAS number 96-33-3. Also known as methyl acrylate, it is an acrylic ester with a molecular weight of 86.09 g/mol. This substance is classified as a flammable liquid with acute toxicity properties and requires careful handling due to its hazardous nature, as indicated by the danger signal word and GHS pictograms GHS02 and GHS06.

What are the physicochemical properties of methyl prop-2-enoate?

Methyl prop-2-enoate is a colorless liquid at room temperature with a characteristic acrid, fruity odor. It has a relatively low molecular weight of 86.09 g/mol and is miscible with most organic solvents. The compound is moderately soluble in water and has a low boiling point, making it highly volatile. Its flammable nature (Flam. Liq. 2) indicates a flash point below 23°C, requiring appropriate fire prevention measures during handling and storage.

What is methyl prop-2-enoate used for?

Methyl prop-2-enoate is primarily used as a monomer in the production of acrylic polymers and copolymers. It serves as a key raw material in manufacturing acrylic resins, adhesives, coatings, and textiles. The compound is also utilized in the production of surface coatings, leather finishes, and various plastic materials. Its reactive double bond makes it valuable for polymerization processes in the chemical industry and for creating specialized materials with specific properties.

How to handle methyl prop-2-enoate safely?

Methyl prop-2-enoate requires careful handling due to its flammable and toxic properties. Workers must wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection when necessary. Handle in well-ventilated areas away from ignition sources, as it is classified as Flam. Liq. 2. Avoid skin and eye contact due to its irritant properties (Skin Irrit. 2, Eye Irrit. 2) and prevent inhalation due to acute toxicity concerns.

How to store methyl prop-2-enoate correctly?

Methyl prop-2-enoate must be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames due to its flammable nature. Use appropriate containers compatible with acrylic esters and ensure proper grounding to prevent static electricity buildup. Store separately from strong oxidizers and bases to prevent dangerous reactions. Temperature control is essential to prevent polymerization, and containers should be tightly sealed to minimize vapor emissions and contamination.

What to do in case of contact with methyl prop-2-enoate?

Immediate action is required upon contact with methyl prop-2-enoate due to its toxic and irritant properties. For skin contact, remove contaminated clothing and rinse affected area with plenty of water for at least 15 minutes. In case of eye contact, flush immediately with water and seek medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical care. Always consult safety data sheets for specific first aid measures.

How to dispose of methyl prop-2-enoate appropriately?

Methyl prop-2-enoate disposal must comply with local and European waste regulations due to its hazardous classification. The substance should be treated as hazardous chemical waste and disposed of through licensed waste management facilities. Never pour down drains or dispose of in regular waste streams. Small quantities may be incinerated in approved high-temperature facilities with appropriate emission controls. Always consult local authorities and follow waste classification codes for proper disposal procedures.

How to transport methyl prop-2-enoate?

Methyl prop-2-enoate is classified under ADR Class 3 (flammable liquids), Packing Group II, requiring specific transport regulations. Packages must be properly labeled with appropriate hazard pictograms and UN identification numbers. Vehicles must carry appropriate fire extinguishers and emergency equipment. Transport documentation must include proper shipping names and emergency contact information. Drivers need ADR certification for dangerous goods transport, and vehicles must follow designated routes and parking restrictions for flammable substances.

Is methyl prop-2-enoate subject to specific regulations?

Methyl prop-2-enoate is subject to various European regulations including REACH registration requirements and CLP classification standards. While not currently listed as a SVHC (Substance of Very High Concern), it must comply with occupational exposure limits and workplace safety regulations. The substance requires safety data sheets and proper labeling according to GHS standards. Companies handling this chemical must ensure compliance with industrial emissions directives and worker protection regulations across EU member states.

Where to buy methyl prop-2-enoate in Europe?

Methyl prop-2-enoate is available through OYSI, a specialized European distributor of industrial chemicals. OYSI provides reliable supply chains across Europe with proper documentation, quality certificates, and regulatory compliance support. As a professional chemical distributor, OYSI ensures proper packaging, labeling, and transport arrangements according to ADR requirements. Contact OYSI directly for availability, technical specifications, and delivery options to your specific European location while ensuring all regulatory requirements are met.

Data Sources

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