Description

2,2,4-Trimethyl-3-Pentenoic Acid is a branched-chain unsaturated carboxylic acid with a unique sterically hindered structure. This compound is valued as a versatile intermediate in organic synthesis, particularly for introducing the bulky 2,2,4-trimethylpentenoyl moiety. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications ranging from active ingredient synthesis to polymer modification.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) where its hindered structure can influence bioavailability and metabolic stability.
• Agrochemical Synthesis: Serves as a key building block for creating advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Incorporated into polymer chains to alter physical properties such as flexibility, glass transition temperature, and chemical resistance.
• Fine Chemical Production: Acts as a precursor for flavors, fragrances, and other high-value specialty chemicals.
• Lubricant & Fuel Additive Component: Utilized in the formulation of additives that improve performance characteristics like viscosity index and oxidation stability.
• Research & Development: Employed in academic and industrial R&D for exploring new synthetic methodologies and novel compound libraries.

Basic Information

Product Name	2,2,4-Trimethyl-3-Pentenoic Acid
CAS No.	4177-03-1
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	3-Pentenoic acid, 2,2,4-trimethyl-; 2,2,4-Trimethylpent-3-enoic acid; 2,2,4-Trimethyl-3-pentenoic acid; 3-Pentenoic acid, 2,2,4-trimethyl- (8CI, 9CI); NSC 163044; 2,2,4-Trimethyl-δ3-pentenoic acid
EINECS	224-053-5

Quality Control

Our 2,2,4-Trimethyl-3-Pentenoic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets exacting standards for industrial and research use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

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 oxidizing agents. Due to its nature as a strong acid/organic solvent and being easily oxidized, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Recommended storage temperature: 2-25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.450
Density (g/mL at 20°C)	0.92 - 0.96

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