Description

4-(3-Methyl-3-butenyl)benzoic acid is a specialized benzoic acid derivative featuring a reactive isoprenyl side chain. This unique molecular structure makes it a valuable intermediate and building block in advanced organic synthesis, particularly for introducing lipophilic and functionalizable moieties. It is primarily sought by pharmaceutical, agrochemical, and fine chemical research and development teams for creating novel active compounds and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially those targeting metabolic or inflammatory pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a precursor for synthesizing advanced organic electronic materials and liquid crystal compounds.
• Fragrance & Flavor Chemistry: Intermediate for creating complex aromatic molecules with unique scent and flavor profiles.
• Polymer Modification: Employed to introduce functional benzoate groups into polymer backbones to alter physical and chemical properties.
• Chemical Research: A versatile reagent in academic and industrial R&D for exploring new organic reactions and methodologies.

Basic Information

Product Name	4-(3-Methyl-3-butenyl)benzoic Acid
CAS No.	732249-74-0
Molecular Formula	C₁₂H₁₄O₂
Molecular Weight	190.24 g/mol
Synonyms	4-(3-Methylbut-3-en-1-yl)benzoic Acid; Benzoic acid, 4-(3-methyl-3-butenyl)-; 4-Isopentenylbenzoic Acid; 4-(3-Methyl-3-butenyl)benzoate; p-(3-Methyl-3-butenyl)benzoic Acid; 4-(3-Methylbut-3-enyl)benzoic Acid; (4-Carboxyphenyl)(3-methylbut-3-enyl) (IUPAC-style); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 4-(3-Methyl-3-butenyl)benzoic acid adheres to strict internal quality standards to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical techniques including HPLC, GC, and NMR. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment. We support cGMP and ISO 9001 compliant manufacturing for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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