Description

Acetic Acid 1-Methylene-3-Methyl-2-Butenyl Ester is a specialized organic ester compound with the CAS registry number 34645-17-5. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, prized for its reactive ester and alkene functionalities. It is primarily utilized by research and development laboratories, as well as production facilities in the pharmaceutical, agrochemical, and fine chemical sectors seeking to create novel molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of active pharmaceutical ingredients (APIs), particularly for molecules requiring specific branched-chain ester components.
• Agrochemical Synthesis: Used in the development and manufacturing of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Acts as a versatile building block for synthesizing flavors, fragrances, and other high-value specialty chemicals.
• Polymer & Material Science: Employed in the creation of specialty monomers, cross-linking agents, and polymers with tailored properties.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for constructing complex organic molecules, including natural product analogs.
• Chemical Intermediate for Dyes & Pigments: Utilized in the synthesis of specialized colorants and imaging agents.

Basic Information

Item	Details
Product Name	Acetic Acid 1-Methylene-3-Methyl-2-Butenyl Ester
CAS No.	34645-17-5
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	1-Methylene-3-methyl-2-butenyl acetate; 3-Methyl-2-buten-1-ylidene acetate; Prenylidene acetate; 3-Methylbut-2-en-1-ylidene acetate; Isopentenylidene acetate; (3-Methylbut-2-en-1-ylidene) acetate; Acetic acid, (3-methyl-2-buten-1-ylidene)-; (1-Methylene-3-methyl-2-butenyl) ethanoate
EINECS	Contact for details

Quality Control

Our Acetic Acid 1-Methylene-3-Methyl-2-Butenyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

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. Recommended storage temperature is between 2°C and 25°C. Keep container tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 2.0%
Specific Gravity (20°C)	0.92 - 0.96
Refractive Index (20°C)	1.430 - 1.450

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