3-(Methylthio)propionaldehyde CAS 3268-49-3

Chemical Name: 3-(Methylthio)propionaldehyde
Synonyms: Methional; 3-Methylthiopropoanaldehyde; Methylmercaptopropionaldehyde
CAS No.: 3268-49-3
Molecular Formula: C4H8OS
Molecular Weight: 104.17
Appearance: Liquid

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3-(Methylthio)propionaldehyde (CAS 3268-49-3) Comprehensive Buyer’s Guide

Table of Contents

1. Product Overview & Specifications

Parameter Specification
CAS Number 3268-49-3
Molecular Formula C4H8OS
Appearance Colorless to pale yellow liquid
Purity ≥98% (GC analysis)
Flash Point 62°C (closed cup)
Storage Conditions 2-8°C in amber glass under nitrogen

2. Key Applications & Industrial Uses

Primary Functional Roles:

  • Flavor & Fragrance Intermediate: Key component in meaty/savory flavor formulations
  • Agrochemical Precursor: Building block for soil fumigants and nematicides
  • Pharmaceutical Intermediate: Chiral synthon in ACE inhibitor production

Industry-Specific Applications:

Industry Application Detail
Food Additives Formulation of reaction flavors (0.5-2% concentration range)
Crop Protection Synthesis of dithiocarbamate fungicides
Specialty Chemicals Crosslinking agent in polymer modification

3. Technical Comparison with Alternatives

Compound Reactivity Odor Threshold Cost Efficiency
3-(Methylthio)propionaldehyde High (thioether linkage) 0.01 ppb $$$
Methional Moderate 0.05 ppb $$$$
Dimethyl trisulfide Low 0.1 ppb $$

4. Operational Best Practices

Handling Protocols:

  • Use closed processing systems with nitrogen blanketing
  • Maintain pH between 6.5-7.2 during reactions
  • Employ cold traps (-20°C) during distillation processes

Stability Considerations:

Condition Stability Duration
Ambient Temperature 72 hours (under inert gas)
Refrigerated 6 months
Frozen (-20°C) 24 months

5. Real-World Case Studies

Case 1: Flavor Enhancement in Savory Products

  • Client: European Seasonings Manufacturer
  • Challenge: Replicating natural meat flavor in plant-based alternatives
  • Solution: 0.8% incorporation in Maillard reaction systems
  • Outcome: 40% reduction in flavor development time

Case 2: Agricultural Fungicide Production

  • Client: Asian Agrochemical Company
  • Challenge: Improving synthesis yield of dazomet
  • Solution: Optimized stoichiometric ratio (1:1.2 with amine)
  • Outcome: Yield increased from 68% to 89%

6. Supplier Consultation

For technical specifications sheets or customized formulation support:

Email: info@vivalr.com
Tel: (86) 15866781826

Request Customized Solutions:

  • Bulk quantities (200kg+ drum orders)
  • GMP-grade material for pharmaceutical use
  • Custom stabilization packages
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