Description

1,1,1-Trifluoro-2-Butene is a versatile fluorinated olefin with the CAS registry number 406-39-3. This compound is valued for its unique reactivity and properties, making it a critical intermediate in advanced chemical synthesis. It is primarily sought after by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel fluorinated compounds.

Application

• Pharmaceutical Intermediate: A key building block for synthesizing active pharmaceutical ingredients (APIs) with enhanced metabolic stability and bioavailability.
• Agrochemical Synthesis: Used in the production of advanced herbicides, pesticides, and fungicides that require fluorine-containing motifs for improved efficacy.
• Specialty Polymer Precursor: Serves as a monomer or modifier in the creation of fluoropolymers with specific chemical resistance and thermal stability.
• Refrigerant & Propellant Research: Investigated as a potential component in next-generation, low-global-warming-potential (GWP) refrigerant blends.
• Organic Synthesis Reagent: Employed in laboratories for introducing the trifluoromethyl group into complex organic molecules via addition or coupling reactions.
• Electronic Chemicals: Used in the development of specialty solvents and etching agents for the electronics and semiconductor industries.

Basic Information

Product Name	1,1,1-Trifluoro-2-Butene
CAS No.	406-39-3
Molecular Formula	C4H5F3
Molecular Weight	110.08 g/mol
Synonyms	1,1,1-Trifluorobut-2-ene; 2-Butene, 1,1,1-trifluoro-; Trifluorobutene; 3,3,3-Trifluoro-1-butene (isomer); CF3CH=CHCH3; 1,1,1-Trifluoro-2-butylene; NSC 9235
EINECS	Contact for details

Quality Control

Our 1,1,1-Trifluoro-2-Butene is produced and handled under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including GC and NMR analysis, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and gaseous nature under standard conditions, this product must be stored in a cool, well-ventilated area, away from heat sources and open flames. Cylinders should be secured upright. Store under an inert atmosphere if specified for the grade.

Specification

Item	Specification
Appearance	Colorless gas (liquefied)
Identification (IR)	Conforms
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Non-volatile Residue	≤ 0.01%

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