二氯甲烷 Detection
Formula CH₂Cl₂ · CAS 75-09-2 · 有机溶剂 / 致癌物（IARC 2A 类）
Hazards & Toxic Symptoms
Dichloromethane is a colorless, volatile liquid with strong anesthetic effects. It metabolizes into CO in the body, causing tissue hypoxia. Prolonged exposure increases the risk of cancer.
Occupational Exposure Limits (GBZ 2.1-2019)
| PC-TWA (Time-Weighted Average) | 200 mg/m³ |
|---|---|
| PC-STEL (Short-Term Exposure) | 300 mg/m³ |
| IDLH (Immediately Dangerous to Life or Health) | 2300 ppm |
⚠️ Actual alarm thresholds depend on on-site risk assessment. ⚙️ Use the GB Alarm Calculator →
Typical Application Scenarios
- Paint remover / paint stripping
- Metal degreasing
- Polyurethane foaming
- Extraction solvent
- Aerosol
Detection Principle / Recommended Sensors
PID (IP approximately 11.32 eV, requires a strong UV lamp) / Infrared
Common Range：0-500 ppm
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Matching product categories: 二氯甲烷 detector 二氯甲烷 analyzer