一甲基肼 Detection
Formula CH₃NHNH₂ (MMH) · CAS 60-34-4 · 致癌 / 极易燃 / 高毒
Hazards & Toxic Symptoms
Monomethylhydrazine (MMH) is a colorless, flammable liquid with an ammonia odor and is highly toxic. It exhibits neurotoxicity and is carcinogenic (based on animal experiments). It can be absorbed through the skin.
Occupational Exposure Limits (GBZ 2.1-2019)
| PC-TWA (Time-Weighted Average) | 0.08 mg/m³ |
|---|---|
| IDLH (Immediately Dangerous to Life or Health) | 20 ppm |
| LEL (Lower Explosive Limit) | 2.5% |
| UEL (Upper Explosive Limit) | 98% |
⚠️ Actual alarm thresholds depend on on-site risk assessment. ⚙️ Use the GB Alarm Calculator →
Typical Application Scenarios
- Aerospace rocket propellant (paired with N₂O₄)
- Satellite thruster
- Chemical industry
Detection Principle / Recommended Sensors
Electrochemical / Chemiluminescence
Common Range：0-10 ppm
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