氯化氢 Detection
Formula HCl · CAS 7647-01-0 · 强酸性 / 强腐蚀 / 强刺激
Hazards & Toxic Symptoms
Hydrogen chloride is a colorless gas with a pungent odor of hydrochloric acid. It forms hydrochloric acid when it comes into contact with water. It is highly corrosive to skin, mucous membranes, and respiratory tract. Even low concentrations can cause irritation.
Occupational Exposure Limits (GBZ 2.1-2019)
| PC-TWA (Time-Weighted Average) | 7.5 mg/m³ (上限) |
|---|---|
| IDLH (Immediately Dangerous to Life or Health) | 50 ppm |
⚠️ Actual alarm thresholds depend on on-site risk assessment. ⚙️ Use the GB Alarm Calculator →
Typical Application Scenarios
- Hydrochloric acid production/storage and transportation
- Steel pickling
- Electronic-grade cleaning
- Chloroethylene PVC synthesis
- Semiconductor etching
Detection Principle / Recommended Sensors
Electrochemical sensor
Common Range：0-50 ppm
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Matching product categories: 氯化氢 detector 氯化氢 analyzer