联苯 Detection
Formula C₁₂H₁₀ · CAS 92-52-4 · 毒性 / 慢性致敏
Hazards & Toxic Symptoms
Biphenyl appears as white flaky crystals or thin slices (solid at room temperature, vapor detectable). Its vapor irritates the respiratory tract, and long-term exposure can damage the liver and nervous system.
Occupational Exposure Limits (GBZ 2.1-2019)
| PC-TWA (Time-Weighted Average) | 1 mg/m³ |
|---|---|
| IDLH (Immediately Dangerous to Life or Health) | 100 mg/m³ |
⚠️ Actual alarm thresholds depend on on-site risk assessment. ⚙️ Use the GB Alarm Calculator →
Typical Application Scenarios
- Heat transfer oil (high-temperature heat carrier)
- Dye intermediate
- Preservative (for fruit and vegetable transportation)
- Pharmaceutical synthesis
Detection Principle / Recommended Sensors
PID
Common Range：0-10 ppm
🤝 Custom Product in Progress
No off-the-shelf model yet, but we already have 联苯 detection capability and support custom sensor configuration.