溴甲烷 Detection
Formula CH₃Br · CAS 74-83-9 · 高毒 / 致癌（IARC 3）
Hazards & Toxic Symptoms
Methyl bromide is a colorless and odorless gas (with odor warning), highly toxic, neurotoxic, and harmful to lungs, liver, and kidneys. Its use has been restricted by the Montreal Protocol due to its impact on the ozone layer.
Occupational Exposure Limits (GBZ 2.1-2019)
| PC-TWA (Time-Weighted Average) | 5 mg/m³ |
|---|---|
| IDLH (Immediately Dangerous to Life or Health) | 250 ppm |
⚠️ Actual alarm thresholds depend on on-site risk assessment. ⚙️ Use the GB Alarm Calculator →
Typical Application Scenarios
- Fumigation for pest control (grain storage/export containers, phasing out)
- Chemical synthesis
- Fire extinguishing agent (eliminated)
Detection Principle / Recommended Sensors
PID / electrochemical sensor
Common Range：0-50 ppm
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Matching product categories: 溴甲烷 detector 溴甲烷 analyzer