2-Methylbenzaldehyde (CAS 529-20-4): Technical Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | 2-Methylbenzaldehyde (o-Tolualdehyde) |
| CAS Number | 529-20-4 |
| Molecular Formula | C8H8O |
| Molecular Weight | 120.15 g/mol |
| Appearance | Colorless liquid |
| Purity | ≥98% (HPLC) |
| Boiling Point | 200–201°C |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 79.5±4.9°C |
| Solubility | Miscible with organic solvents, slightly soluble in water |
2. Key Applications
Core Uses:
- Pharmaceutical Intermediates: Synthesis of quinoline derivatives (e.g., EP 0726254)
- Fragrance Industry: Base component for fruity/floral notes (FEMA 3068)
- Agrochemicals: Precursor for pesticide formulations
- Chemical Research: Building block for heterocyclic compounds
3. Usage Guidelines
Handling Precautions:
- Store at 2–8°C under nitrogen atmosphere
- Use PPE (gloves, goggles) to avoid skin/eye contact
- Ensure adequate ventilation (flash point: 79.5°C)
Reaction Compatibility:
- Condensation reactions (e.g., with 3,5-dimethoxyaniline)
- Grignard reagent compatibility
- Oxidation-sensitive – avoid strong oxidizers
4. Industry Case Studies
Case 1: Pharmaceutical Synthesis
Client: Mitsui Chemicals, Inc.
Application: Production of quinoline-4-carbonylguanidine derivatives via condensation with pyruvic acid (Patent EP 0726254).
Case 2: Flavor & Fragrance
Client: Shanghai Meixin Aromtics Co.
Application: Formulation of cost-effective fruity fragrance blends using ≥98% purity grade.
5. Supplier Information
| Supplier | Packaging | Price Range |
|---|---|---|
| Shanghai Dipper Biotech | 25g–500g | $18–$120/kg |
| Wuhan普洛夫Bio | 200kg drums | $10–$23/kg (bulk) |
| Leyan.com | 100g–500g | $0.61–$1.39/g (R&D scale) |
6. Contact for Technical Support
For formulation guidance or customized synthesis:
Email: info@vivalr.com
Tel: (86) 15866781826 (24/7 technical hotline)
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