Hexyl prop-2-enoate

C9H16O2

hexyl prop-2-enoate

CAS2499-95-8
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
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Identification

CAS Number
2499-95-8
EC Number
219-698-5
UN Number
3082
Index Number
607-233-00-2
PubChem CID
17259

Physical-chemical properties

Molecular Formula
C9H16O2
Molar Mass
156.22 g/mol
IUPAC Name
hexyl prop-2-enoate

Chemical Identifiers

InChI
InChI=1S/C9H16O2/c1-3-5-6-7-8-11-9(10)4-2/h4H,2-3,5-8H2,1H3
InChI Key
LNMQRPPRQDGUDR-UHFFFAOYSA-N

Overview

Hexyl prop-2-enoate (CAS 2499-95-8) is an acrylic ester monomer with moderate skin sensitization properties and environmental aquatic toxicity concerns. This versatile chemical compound, also known by its IUPAC designation hexyl prop-2-enoate, belongs to the family of acrylic acid esters widely utilized in polymer chemistry and industrial manufacturing. With its molecular formula C9H16O2 and molecular weight of 156.22 g/mol, this colorless liquid exhibits the characteristic reactivity of acrylic monomers, making it valuable for various polymerization processes. The compound is classified under European regulation EC 219-698-5 and requires careful handling due to its classification as STOT SE 3, indicating specific target organ toxicity, along with skin and eye irritation potential. Safety considerations are paramount when working with hexyl prop-2-enoate, as evidenced by its GHS07 and GHS09 pictograms indicating both health hazards and environmental concerns. The substance demonstrates skin sensitization properties (Skin Sens. 1) and poses chronic aquatic toxicity risks (Aquatic Chronic 2), necessitating appropriate protective equipment and environmental precautions during handling and storage. Its ADR Class 9 classification requires compliance with specific transport regulations for miscellaneous dangerous goods. Industrial applications primarily focus on polymer production, where hexyl prop-2-enoate serves as a monomer in acrylic polymer synthesis, contributing flexibility and durability to final products. The compound finds significant use in coatings formulations and adhesive manufacturing, where its polymerization characteristics enhance product performance. Related compounds in this chemical family include 2-[2-(2-prop-2-enoyloxypropoxy)propoxy]propyl prop-2-enoate, which shares similar acrylic functionalities but offers different molecular architectures for specialized applications. OYSI maintains reliable supply chains for hexyl prop-2-enoate, ensuring consistent availability for European industrial customers requiring this essential chemical intermediate.

Safety & Classification

Warning
Classification:

STOT SE 3; Skin Irrit. 2; Eye Irrit. 2; Skin Sens. 1; Aquatic Chronic 2

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H335

May cause respiratory irritation.

H315

Causes skin irritation.

H319

Causes serious eye irritation.

H317

May cause an allergic skin reaction.

H411

Toxic to aquatic life with long lasting effects.

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 Number3082
ADR Class9
Packing GroupIII
Tunnel Code-
Proper Shipping NameHexylacrylat
Marine PollutantNo

Frequently Asked Questions

What is hexyl prop-2-enoate?

Hexyl prop-2-enoate is an organic chemical compound with the molecular formula C9H16O2 and CAS number 2499-95-8. This acrylate ester has a molecular weight of 156.22 g/mol and belongs to the family of alkyl acrylates. It is classified as a hazardous substance with moderate toxicity and irritant properties, requiring careful handling in industrial applications.

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

Hexyl prop-2-enoate is typically a colorless to pale yellow liquid at room temperature with a characteristic acrylic odor. As an ester compound, it has limited solubility in water but is readily soluble in organic solvents such as alcohols, ethers, and hydrocarbons. The compound exhibits typical acrylate reactivity and can undergo polymerization reactions under appropriate conditions.

What is hexyl prop-2-enoate used for?

Hexyl prop-2-enoate is primarily used as a monomer in the production of polymers and copolymers for various industrial applications. It serves as a key ingredient in the manufacture of adhesives, coatings, paints, and specialty polymers. The compound is also utilized in the formulation of UV-curable systems and as a reactive diluent in polymer chemistry applications.

How to handle hexyl prop-2-enoate safely?

Hexyl prop-2-enoate requires careful handling due to its irritant and sensitizing properties. Always wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Ensure adequate ventilation to minimize inhalation exposure. Avoid direct skin and eye contact, and handle in well-ventilated areas or under fume hoods to prevent respiratory irritation and potential sensitization.

How to store hexyl prop-2-enoate correctly?

Hexyl prop-2-enoate should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from heat sources, ignition sources, and direct sunlight. Keep containers away from incompatible materials such as strong oxidizing agents and bases. Store at temperatures below 25°C to prevent polymerization and maintain product stability. Ensure proper labeling and restricted access.

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

In case of skin contact with hexyl prop-2-enoate, 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 at least 15 minutes and seek medical attention. If inhaled, move the person to fresh air and seek medical advice if respiratory irritation persists.

How to dispose of hexyl prop-2-enoate properly?

Hexyl prop-2-enoate waste must be disposed of in accordance with local and national hazardous waste regulations. Do not discharge into drains, waterways, or the environment due to its aquatic toxicity classification. Contact licensed waste disposal companies for proper treatment and disposal. Small quantities can often be incinerated at authorized facilities with appropriate emission controls and environmental permits.

How to transport hexyl prop-2-enoate?

Hexyl prop-2-enoate is classified as ADR Class 9 (miscellaneous dangerous goods), Packing Group III for transportation purposes. This classification requires appropriate packaging, labeling with GHS07 and GHS09 pictograms, and proper shipping documentation. Transport in UN-approved containers and ensure compliance with dangerous goods regulations for road, rail, sea, or air transport as applicable.

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

Hexyl prop-2-enoate is subject to REACH regulation requirements in Europe and must comply with CLP classification and labeling standards. The substance carries a 'Warning' signal word and requires appropriate hazard statements for skin irritation, eye irritation, skin sensitization, and aquatic toxicity. It is not currently listed as a Substance of Very High Concern (SVHC) under REACH.

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

Hexyl prop-2-enoate is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides reliable supply chains and technical support for industrial customers across Europe. Contact OYSI directly for product availability, technical specifications, safety documentation, and pricing information tailored to your specific application requirements and volume needs.

Data Sources

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