2-Ethylaniline (CAS 578-54-1): Comprehensive Technical Overview
Table of Contents
1. Chemical Identification & Properties
| Parameter | Specification | Test Method |
|---|---|---|
| CAS Number | 578-54-1 | – |
| Molecular Formula | C8H11N | – |
| Molecular Weight | 121.18 g/mol | ASTM E299 |
| Physical State | Yellow to orange-red liquid | Visual |
| Melting Point | -44°C to -63.5°C* | ASTM D1015 |
| Boiling Point | 210-216°C | ASTM D1078 |
| Flash Point | 91-93°C (Closed cup) | ASTM D93 |
| Water Solubility | Insoluble | OECD 105 |
*Discrepancy reflects different measurement conditions
2. Key Applications
2.1 Agrochemical Synthesis
- Primary intermediate for herbicide production:
- Killgrass® selective pre-emergence herbicides
- Ethyl insecticide formulations
- N-alkylation reactant for weed control agents
2.2 Dye Manufacturing
- Critical component in sulfur-based lightfast dyes
- Production of Sunproof® textile colorants
2.3 Pharmaceutical Intermediates
- Synthesis of antihypertensive drug precursors
- Building block for antimicrobial compounds
3. Safety & Handling Protocols
3.1 Hazard Classification (GHS)
| Hazard Class | Category | Signal Word |
|---|---|---|
| Acute Oral Toxicity | Category 4 | Warning |
| Acute Dermal Toxicity | Category 3 | |
| Serious Eye Damage | Category 2 |
3.2 Exposure Controls
- PPE Requirements:
- Chemical-resistant gloves (Butyl rubber recommended)
- Full-face respirator with organic vapor cartridges
- Aprons with splash protection
- Engineering Controls:
- Local exhaust ventilation with >1.5 m/s capture velocity
- Closed system processing
4. Industrial Case Studies
Case 1: Agricultural Chemical Producer
- Client: Top 5 global agrochemical company
- Application: Annual production of 8,000MT herbicide intermediates
- Technical Support: Customized purification process optimization
Case 2: Specialty Dye Manufacturer
- Client: European textile chemicals leader
- Application: High-purity feedstock for lightfast dyes
- Solution: Batch consistency improvement (+15% yield)
5. Technical Inquiry
For SDS, pricing, or custom synthesis requirements:
- Email: info@vivalr.com
- Tel: (86) 15866781826 (24/7 technical support)
Request product samples or schedule plant audit:
Specify required purity (Industrial Grade ≥98% or Pharmaceutical Grade ≥99.5%)



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