偏二甲肼 Detection
Formula (CH₃)₂NNH₂ · CAS 57-14-7 · 致癌物 / 极易燃 / 高毒
Hazards & Toxic Symptoms
Unsymmetrical dimethylhydrazine (UDMH) is a colorless, flammable liquid with an ammonia odor, possessing extremely high toxicity and carcinogenicity (confirmed by animal experiments). It can be absorbed through the skin.
Occupational Exposure Limits (GBZ 2.1-2019)
| PC-TWA (Time-Weighted Average) | 0.5 mg/m³ |
|---|---|
| IDLH (Immediately Dangerous to Life or Health) | 15 ppm |
| LEL (Lower Explosive Limit) | 2% |
| UEL (Upper Explosive Limit) | 95% |
⚠️ Actual alarm thresholds depend on on-site risk assessment. ⚙️ Use the GB Alarm Calculator →
Typical Application Scenarios
- Aerospace rocket propellant (paired with N₂O₄)
- Fuel additive
- Chemical synthesis
Detection Principle / Recommended Sensors
Electrochemical dedicated / Chemiluminescence
Common Range：0-10 ppm
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Matching product categories: 偏二甲肼 detector 偏二甲肼 analyzer