Description

3-Methylphenylacetaldehyde Dimethyl Acetal is a high-purity aromatic acetal derivative, valued for its stability and unique olfactory profile as a fragrance intermediate. This compound is essential for creating sophisticated, long-lasting scent notes in fine perfumery and functional fragrance applications. It is primarily sought by manufacturers in the flavor and fragrance industry, as well as by research and development laboratories focusing on organic synthesis and aroma chemical production.

Application

• Fragrance Ingredient: A key intermediate for synthesizing complex aroma chemicals, imparting green, floral, and fruity nuances to fine perfumes, cosmetics, and personal care products.
• Flavor Modifier: Used in the development of specialty flavors, particularly where stable, non-reactive aldehyde precursors are required.
• Organic Synthesis Building Block: Serves as a protected aldehyde group in multi-step synthetic routes for pharmaceuticals and agrochemicals.
• Research & Development: Utilized in academic and industrial R&D for studying acetal chemistry, fragrance structure-activity relationships, and new compound discovery.
• Functional Product Fragrancing: Incorporated into household cleaners, detergents, and air fresheners where a stable, non-volatile fragrance precursor is needed.

Basic Information

Product Name	3-Methylphenylacetaldehyde Dimethyl Acetal
CAS No.	134769-80-5
Molecular Formula	C11H16O2
Molecular Weight	180.24 g/mol
Synonyms	m-Tolylacetaldehyde Dimethyl Acetal; (3-Methylphenyl)acetaldehyde Dimethyl Acetal; 2-(3-Methylphenyl)-1,1-dimethoxyethane; 1,1-Dimethoxy-2-(m-tolyl)ethane; Benzeneacetaldehyde, 3-methyl-, dimethyl acetal; Dimethyl (3-methylphenyl)acetal; m-Methylbenzeneacetaldehyde dimethyl acetal
EINECS	Contact for details

Quality Control

Our 3-Methylphenylacetaldehyde Dimethyl Acetal is produced under a strict quality management system. Every batch is analyzed to ensure it meets precise chemical and olfactory specifications critical for fragrance applications. Certificates of Analysis (COA) documenting purity, identity, and physical properties are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and acids. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.500 - 1.510
Specific Gravity (20/20°C)	1.010 - 1.030

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