二氯甲烷 Detection
Formula CH₂Cl₂ · CAS 75-09-2 · 有机溶剂 / 致癌物（IARC 2A 类）
Hazards & Toxic Symptoms
Methylene chloride is a colorless, volatile liquid with strong anesthetic effects. It is metabolized in the body to produce CO, leading to 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