Description

3-Methyl-3-Butenyl 2-Methylcrotonate is a specialty ester monomer characterized by its unique branched alkene and crotonate ester structure. This compound matters as a versatile chemical intermediate, offering reactivity at both the double bond and the ester group for polymerization and synthesis. It is needed by R&D chemists and process engineers in the polymer, fragrance, and fine chemical industries seeking to develop novel materials with specific properties.

Application

• Polymer & Resin Modification: Acts as a reactive diluent or co-monomer in the synthesis of specialty acrylic and vinyl polymers, influencing flexibility and glass transition temperature.
• Synthetic Intermediate: Serves as a key building block in organic synthesis for pharmaceuticals and agrochemicals, leveraging its ester and alkene functionalities.
• Fragrance & Flavor Synthesis: Used in the production of ester-based aroma chemicals, contributing fruity or floral notes to final formulations.
• Adhesive & Coating Formulations: Incorporated into UV-curable or solvent-based systems to modify adhesion, cure speed, and film properties.
• Crosslinking Agent: Utilized in the manufacture of crosslinked polymers and elastomers to enhance thermal stability and chemical resistance.
• Lubricant & Plasticizer Additive: Functions as a precursor or additive in the production of synthetic lubricants and polymer plasticizers.

Basic Information

Product Name	3-Methyl-3-Butenyl 2-Methylcrotonate
CAS No.	83783-87-3
Molecular Formula	C10H16O2
Molecular Weight	168.23 g/mol
Synonyms	2-Butenoic acid, 2-methyl-, 3-methyl-3-buten-1-yl ester; 3-Methylbut-3-en-1-yl 2-methylbut-2-enoate; 3-Methyl-3-butenyl 2-methylcrotonate; Prenalyl tiglate; 3,3-Dimethylallyl tiglate; Tiglic acid 3,3-dimethylallyl ester; 3-Methyl-2-butenoic acid 3-methyl-3-butenyl ester
EINECS	Contact for details

Quality Control

Our 3-Methyl-3-Butenyl 2-Methylcrotonate undergoes rigorous quality testing to ensure compliance with industry standards. Production follows strict in-process controls, and each batch is analyzed using advanced techniques like GC and HPLC to verify identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (20°C)	1.440 - 1.450
Density (20°C)	0.90 - 0.95 g/mL
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.