O-Tolylenediamine CAS 26966-75-6

Chemical Name: O-Tolylenediamine
Synonyms: 3(or 4)-methylbenzene-1,2-diamine
CAS No.: 26966-75-6
Molecular Fomula: C7H10N2
Molecular weight: 122.1677
Appearance: Light gray solid
Assay: ≥99.0%

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O-Tolylenediamine (CAS 26966-75-6) Comprehensive User Guide

Table of Contents

1. Product Specifications & Comparative Analysis

Parameter O-Tolylenediamine m-Tolylenediamine p-Tolylenediamine
CAS Number 26966-75-6 25376-45-8 95-70-5
Molecular Formula C7H10N2 C7H10N2 C7H10N2
Melting Point 64-67°C 99-101°C 140-143°C
Primary Application Dye Intermediate Epoxy Curing Hair Dye Formulations

2. Industrial Applications & Functional Uses

Core Functional Areas:

  • Dye Manufacturing: Key intermediate for azo dyes and pigments
  • Polymer Production: Crosslinking agent in epoxy resins
  • Pharmaceutical Synthesis: Building block for antihypertensive agents
  • Agrochemicals: Precursor in fungicide formulations
  • Research Chemistry: Chelating agent in analytical reagents

3. Operational Case Studies

Case 1: Textile Dye Optimization

Challenge: Inconsistent color fastness in polyamide fabrics
Solution: 0.8% O-Tolylenediamine incorporation in dye synthesis
Outcome: 40% improvement in wash-fastness ratings

Case 2: Epoxy Composite Enhancement

Challenge: Low thermal stability in automotive composites
Solution: 15% concentration as curing accelerator
Outcome: Increased glass transition temperature by 28°C

4. Verified Client Implementations

Client A: European Specialty Chemicals Manufacturer

Application: High-performance hair dye formulations
Implementation: Batch synthesis at 200kg scale
Results: Achieved 99.2% purity, 18-month shelf life stability

Client B: Asian Agrochemical Producer

Application: Systemic fungicide development
Implementation: Continuous flow reaction process
Results: 35% yield increase vs traditional batch method

5. Procurement Guidance & Inquiry Initiation

Quality Assurance Protocols:

  • HPLC purity verification (≥99%)
  • Heavy metal screening (Pb <10ppm)
  • Moisture content analysis (Karl Fischer method)

Contact Technical Experts:

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

Request Custom Documentation:

  • Material Safety Data Sheet (MSDS)
  • Certificate of Analysis (CoA)
  • Custom synthesis feasibility reports
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