Description

2-Butenoic Acid, 4,4,4-Trifluoro-, 1,1-Dimethylethyl Ester is a high-purity fluorinated building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of pharmaceuticals, agrochemicals, and specialty materials, where the introduction of a trifluoromethyl group can dramatically alter biological activity and physical properties. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries seeking to incorporate fluorine into complex molecular architectures.

Application

• Pharmaceutical Intermediate: A critical building block for synthesizing active pharmaceutical ingredients (APIs) with enhanced metabolic stability and bioavailability.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the trifluoromethyl group improves efficacy.
• Liquid Crystal & OLED Materials: Serves as a precursor for fluorinated components in electronic display and lighting technologies.
• Polymer Modification: Employed to introduce fluorine into polymer chains, improving chemical resistance and surface properties.
• Organic Synthesis Reagent: Acts as a versatile reagent in cross-coupling reactions and Michael additions for constructing complex fluorinated molecules.
• Fluorinated Surfactant Precursor: Used in the development of specialty surfactants and surface coatings.

Basic Information

Item	Details
Product Name	2-Butenoic Acid, 4,4,4-Trifluoro-, 1,1-Dimethylethyl Ester
CAS No.	78762-71-7
Molecular Formula	C9H13F3O2
Molecular Weight	210.19 g/mol
Synonyms	tert-Butyl 4,4,4-trifluorocrotonate; 4,4,4-Trifluorocrotonic Acid tert-Butyl Ester; 1,1-Dimethylethyl 4,4,4-Trifluoro-2-butenoate; tert-Butyl (E)-4,4,4-trifluorobut-2-enoate; 4,4,4-Trifluoro-2-butenoic Acid 1,1-Dimethylethyl Ester; (E)-tert-Butyl 4,4,4-trifluorocrotonate; 78762-71-7; tert-Butyl Ester of 4,4,4-Trifluorocrotonic Acid
EINECS	Contact for details

Quality Control

Our 2-Butenoic Acid, 4,4,4-Trifluoro-, 1,1-Dimethylethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) with detailed specifications are provided to guarantee consistency and traceability for your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%
Isomer Ratio (E/Z) (GC)	Reported on COA

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