1,1,2-Trichloroethane (CAS 79-00-5): Technical Specifications & Safety Guidelines
Table of Contents
1. Chemical Identification & Properties
| Parameter | Specification | Test Method |
|---|---|---|
| CAS Number | 79-00-5 | N/A |
| Molecular Formula | C2H3Cl3 | Mass Spectrometry |
| Molecular Weight | 133.40 g/mol | ASTM E299 |
| Boiling Point | 114°C | ASTM D1078 |
| Flash Point | 51.8°F (11°C) | ASTM D93 |
| Water Solubility | 4 g/L @ 20°C | OECD 105 |
2. Hazard Characteristics
Health Hazards: Central nervous system depressant with acute toxicity (LD50 oral-rat: 100-200 mg/kg). Causes dizziness, ataxia, cardiac arrhythmia, and coma at high concentrations.
Fire Risks: Flammable liquid (Class IB) with explosive limits 8.4-13.3% v/v. Reacts violently with strong oxidizers and alkaline metals.
Decomposition Products: Releases hydrogen chloride and phosgene under thermal decomposition (>200°C).
3. First Aid Measures
| Exposure Route | Emergency Procedure |
|---|---|
| Inhalation | Immediate removal to fresh air; administer oxygen if breathing difficulty occurs |
| Dermal Contact | Flush with water ≥15 minutes using pH-neutral detergent |
| Ocular Exposure | Irrigate eyes with 0.9% saline solution for 20 minutes |
| Ingestion | Do NOT induce vomiting; administer activated charcoal (1g/kg body weight) |
4. Firefighting & Storage Requirements
Extinguishing Media: Alcohol-resistant foam (AR-AFFF), CO2, or dry chemical powder
Storage Conditions:
- Maintain in stainless steel containers at ≤25°C
- Relative humidity ≤60%
- Separate from oxidizers ≥10 meters
5. Environmental Considerations
Biodegradation half-life: 120-180 days (OECD 301F). Aquatic toxicity LC50 (fish): 8.7 mg/L/96h. Prevent entry into waterways using secondary containment systems.
6. Industry Applications
Primary Uses:
- Solvent for resin formulations (epoxy, polyurethane)
- Metal degreasing agent in precision engineering
- Intermediate in pharmaceutical synthesis
Technical Support: Our chemical engineers provide application-specific viscosity adjustment (10-500 cPs) and purity optimization (≥99.8%).
7. Technical Support & Inquiries
For MSDS updates or bulk pricing (200L drum quantities available):
Email: info@vivalr.com
Tel: (86) 15866781826
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