Description

2-Methyl-2-Butenoic Acid [1,2,3,3A,4,7,8,8A-Octahydro-8A-Hydroxy-3A,6-Dimethyl-1-Isopropyl-3-Oxoazulen-4-Yl] Ester is a specialized, high-purity chemical intermediate characterized by its complex azulene-derived ester structure. This compound matters for its role as a key building block in the synthesis of advanced fragrance molecules and complex organic frameworks. It is primarily needed by R&D chemists and manufacturers in the flavor & fragrance and fine chemical synthesis sectors seeking to create unique organoleptic profiles or novel molecular architectures.

Application

• Fragrance & Flavor Ingredient Synthesis: Serves as a crucial intermediate for creating novel, high-value aroma chemicals with woody, amber, or musky notes.
• Pharmaceutical Intermediate: Used in research and development for the synthesis of complex, polycyclic active pharmaceutical ingredients (APIs).
• Advanced Material Precursor: Acts as a starting material for the development of specialized polymers or organic electronic materials.
• Agrochemical Synthesis: Employed in the creation of novel, biologically active compounds for crop protection.
• Academic & Industrial Research: Utilized as a model compound in organic chemistry research for studying esterification, cyclization, and terpenoid chemistry.
• Cosmetic Ingredient Intermediate: Used in the production of specialty ingredients for premium skincare and cosmetic formulations.

Basic Information

Item	Detail
Product Name	2-Methyl-2-Butenoic Acid [1,2,3,3A,4,7,8,8A-Octahydro-8A-Hydroxy-3A,6-Dimethyl-1-Isopropyl-3-Oxoazulen-4-Yl] Ester
CAS No.	11053-21-7
Molecular Formula	C₂₀H₃₀O₄
Molecular Weight	334.45 g/mol
Synonyms	2-Methyl-2-butenoic acid, 1,2,3,3a,4,7,8,8a-octahydro-8a-hydroxy-3a,6-dimethyl-1-(1-methylethyl)-3-oxo-4-azulenyl ester; Guaiazulene derivative ester; 3a,6-Dimethyl-1-isopropyl-8a-hydroxy-3-oxo-1,2,3,3a,4,7,8,8a-octahydroazulen-4-yl 2-methylbut-2-enoate; Azulene carboxylic acid ester; (1-Isopropyl-3a,6-dimethyl-8a-hydroxy-3-oxo-1,2,3,3a,4,7,8,8a-octahydroazulen-4-yl) 2-methylbut-2-enoate
EINECS	Contact for details

Quality Control

Our 2-Methyl-2-Butenoic Acid Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality system is designed to support applications requiring high-purity intermediates for sensitive downstream synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to minimize exposure to atmospheric moisture. Store away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Light yellow to amber viscous liquid or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Rotation (if applicable)	Contact for details

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