Butyl prop-2-enoate

C7H12O2

butyl prop-2-enoate

CAS141-32-2
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
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Identification

CAS Number
141-32-2
EC Number
205-480-7
UN Number
2348
Index Number
607-062-00-3
PubChem CID
8846

Physical-chemical properties

Molecular Formula
C7H12O2
Molar Mass
128.17 g/mol
IUPAC Name
butyl prop-2-enoate

Chemical Identifiers

InChI
InChI=1S/C7H12O2/c1-3-5-6-9-7(8)4-2/h4H,2-3,5-6H2,1H3
InChI Key
CQEYYJKEWSMYFG-UHFFFAOYSA-N

Overview

Butyl prop-2-enoate (CAS 141-32-2) is an acrylic ester monomer with excellent polymerization properties and moderate volatility characteristics. This versatile chemical compound, also known by its IUPAC designation butyl prop-2-enoate, represents a fundamental building block in the acrylic chemistry sector. With the molecular formula C7H12O2 and a molecular weight of 128.17 g/mol, this clear liquid monomer exhibits the characteristic reactivity of acrylic esters while offering specific performance attributes that distinguish it from related compounds such as butyl 2-methylprop-2-enoate and 2-methylpropyl prop-2-enoate. The substance is classified under multiple hazard categories, including Flammable Liquid Category 3 and Skin Sensitizer Category 1, requiring careful handling protocols in industrial applications. Its classification under STOT SE 3 (Specific Target Organ Toxicity - Single Exposure) and various irritation categories necessitates appropriate personal protective equipment and ventilation systems during processing. The compound falls under ADR Class 3 for transportation purposes, reflecting its flammable nature. Butyl prop-2-enoate finds extensive application in the production of acrylic polymers and copolymers, where it serves as a key monomer for creating materials with enhanced flexibility and adhesion properties. The compound is particularly valuable in coating formulations, where it contributes to film formation and durability characteristics. Additionally, it plays a significant role in adhesive manufacturing, providing the necessary chemical backbone for pressure-sensitive and structural adhesive systems. OYSI maintains reliable supply chains for butyl prop-2-enoate to support diverse industrial applications across European markets, ensuring consistent quality and regulatory compliance for technical customers.

Safety & Classification

Warning
Classification:

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

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.

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

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:

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:

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 Number2348
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping Namen-Butylacrylat, stabilisiert
Marine PollutantNo

Frequently Asked Questions

What is butyl prop-2-enoate?

Butyl prop-2-enoate is an organic chemical compound with the molecular formula C7H12O2 and CAS number 141-32-2. It belongs to the acrylate ester family with a molecular weight of 128.17 g/mol. This substance is classified as a flammable liquid with skin and eye irritation properties, as well as skin sensitization potential. It requires careful handling due to its hazardous nature and is regulated under various chemical safety frameworks.

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

Butyl prop-2-enoate is a liquid organic compound with the molecular formula C7H12O2 and a molecular weight of 128.17 g/mol. As an acrylate ester, it typically exhibits low viscosity and has characteristic ester-like odor. The substance is classified as a flammable liquid (category 3), indicating moderate flammability concerns. Its chemical structure makes it reactive and prone to polymerization under certain conditions, requiring appropriate stabilization during storage and handling.

What is butyl prop-2-enoate used for?

Butyl prop-2-enoate is primarily used as a monomer in polymer production and as a chemical intermediate in various industrial applications. It serves in the manufacture of acrylic polymers, coatings, adhesives, and sealants. The compound is also utilized in the production of textiles, leather treatments, and specialty chemical formulations. Its reactive nature makes it valuable for creating cross-linked polymer networks in industrial manufacturing processes.

How to handle butyl prop-2-enoate safely?

Safe handling of butyl prop-2-enoate requires appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing to prevent skin and eye contact. Work in well-ventilated areas or use local exhaust ventilation to minimize inhalation exposure. Avoid sources of ignition due to its flammable nature (Class 3). Use non-sparking tools and ensure proper grounding of equipment. Regular safety training and emergency procedures should be implemented for personnel handling this substance.

How to store butyl prop-2-enoate correctly?

Proper storage of butyl prop-2-enoate requires cool, dry, well-ventilated areas away from heat sources, ignition sources, and direct sunlight. Store in original containers with tight seals to prevent contamination and evaporation. Keep away from strong oxidizing agents, acids, and bases to prevent dangerous reactions. Temperature control is essential to prevent polymerization. Implement appropriate fire suppression systems and ensure storage areas comply with local fire safety regulations for flammable liquids.

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

Immediate action for butyl prop-2-enoate contact involves removing contaminated clothing and flushing affected skin or eyes with plenty of water for at least 15 minutes. For eye contact, hold eyelids open while rinsing. If inhaled, move to fresh air immediately. Do not induce vomiting if ingested; rinse mouth with water. Seek medical attention for persistent irritation or if large amounts were involved. Remove contact lenses if present and easily removable during eye irrigation.

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

Appropriate disposal of butyl prop-2-enoate must comply with local and national hazardous waste regulations. The substance should be collected in suitable containers and disposed of through licensed hazardous waste disposal facilities. Do not discharge into drains, soil, or water bodies due to environmental concerns. Incineration at appropriate high-temperature facilities is typically the preferred disposal method. Consult local environmental authorities for specific disposal requirements and authorized waste management companies in your region.

How to transport butyl prop-2-enoate?

Transportation of butyl prop-2-enoate is regulated under ADR classification as Class 3 (flammable liquids), Packing Group III. This requires appropriate UN-specification packaging, proper labeling with GHS02 and GHS07 pictograms, and 'Warning' signal word. Vehicles must comply with ADR requirements for flammable liquid transport, including proper ventilation and fire safety equipment. Transport documentation must include safety data sheets and emergency response information. Only trained personnel should handle transportation operations.

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

Butyl prop-2-enoate is subject to multiple regulatory frameworks including REACH registration requirements in Europe and CLP classification regulations. It is classified under GHS with specific hazard categories: Flam. Liq. 3, STOT SE 3, Skin Irrit. 2, Eye Irrit. 2, and Skin Sens. 1. The substance is not currently listed as SVHC under REACH. Compliance with occupational exposure limits, transport regulations (ADR), and environmental protection laws is mandatory for commercial use.

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

Butyl prop-2-enoate is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this substance to industrial customers across Europe, ensuring compliance with REACH regulations and proper documentation including safety data sheets. As a professional chemical distributor, OYSI maintains appropriate storage and handling facilities for hazardous materials. Contact OYSI directly for availability, technical specifications, and regulatory compliance documentation required for your specific industrial applications.

Data Sources

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