乙醛 Detection
Formula CH₃CHO · CAS 75-07-0 · 易燃 / 致癌（IARC 2B）/ 麻醉
Hazards & Toxic Symptoms
Acetaldehyde is a colorless, flammable liquid with a pungent fruity odor. Its vapor irritates the eyes and respiratory tract; long-term exposure can cause cancer. It is a metabolite of ethanol (the main cause of hangover).
Occupational Exposure Limits (GBZ 2.1-2019)
| PC-TWA (Time-Weighted Average) | 45 mg/m³ |
|---|---|
| IDLH (Immediately Dangerous to Life or Health) | 2000 ppm |
| LEL (Lower Explosive Limit) | 4.0% |
| UEL (Upper Explosive Limit) | 57% |
⚠️ Actual alarm thresholds depend on on-site risk assessment. ⚙️ Use the GB Alarm Calculator →
Typical Application Scenarios
- Acetic acid / synthetic resin raw material
- Chemical synthesis
- Food essence
- Pharmaceutical
Detection Principle / Recommended Sensors
PID / electrochemical sensor
Common Range：0-100 ppm
🤝 Custom Product in Progress
No off-the-shelf model yet, but we already have 乙醛 detection capability and support custom sensor configuration.