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Chemical Name: N-Aminoethylpiperazine
Synonyms: AEP, 1-(2-Aminoethyl)piperazine
Common Uses: Intermediate for epoxy curing agents, surfactant production, corrosion inhibitors, resin chains
Physical Form: Oily, colorless to pale yellow liquid
Odor: Amine-like
CAS Number: 140-31-8
Physical State Risk: Liquid can cause burns and corrosive damage
Eye Exposure: Severe irritation, possible irreversible injury
Skin Contact: May cause redness, blistering, significant irritation
Inhalation: Nose and throat irritation, possible headache, nausea
Ingestion: Mouth, throat, and stomach tissue damage
GHS Labeling: Corrosive, harmful if swallowed, causes severe skin burns and eye damage
Main Ingredient: N-Aminoethylpiperazine
Purity: Usually exceeds 95%
Impurities: Trace amounts of related piperazine compounds
Eye Contact: Flush with clean water for several minutes, seek immediate medical care
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water
Inhalation: Move to fresh air, monitor for breathing difficulty, consult a physician
Ingestion: Rinse mouth, do not induce vomiting, get medical attention promptly
Sensitivity to Heat: Burns with emission of toxic nitrogen oxides
Suitable Extinguishing Media: Dry chemical powder, foam, carbon dioxide
Personal Protection: Use self-contained breathing apparatus and protective clothing
Specific Dangers: May release corrosive or noxious fumes at high temperatures
Small Spills: Absorb with inert material, ventilate area, use chemical-resistant gloves
Large Spills: Contain spill, evacuate unnecessary people, keep out of sewers
Cleanup: Neutralize with dilute acid, thoroughly wash area, dispose in accordance with regulations
Safe Handling: Use proper ventilation, avoid contact with skin and eyes, close containers after use
Incompatible Materials: Strong oxidizers, acids, reactive organic compounds
Storage Conditions: Keep in tightly sealed containers, ideally below 25°C, store away from food and out of direct sunlight
Engineering Controls: Use with local exhaust, chemical fume hood recommended
Personal Protection: Goggles, face shield, impervious gloves, lab coat
Respiratory: Use approved respirator if ventilation is not adequate
Hygiene: Wash thoroughly after handling, do not eat or drink in work areas
Appearance: Colorless to pale yellow liquid
Odor: Ammoniacal, penetrating
Boiling Point: About 221°C
Melting Point: Not a solid under normal conditions
Solubility: Miscible with water
Density: About 0.98 g/cm³
Vapor Pressure: Low at room temperature
pH (solution): Strongly alkaline
Chemical Stability: Remains stable under recommended storage
Reactivity Hazards: Reacts with acids, oxidizers; may form hazardous products
Decomposition: Toxic fumes possible during fire, including nitrogen oxides and ammonia
Inhalation Risks: Inhalation can trigger respiratory tract irritation
Skin Sensitization: Prolonged skin contact causes severe irritation and possible allergic reactions
Eye Damage: Can cause permanent eye injury without prompt treatment
Swallowing Effects: Corrosive to digestive tract
Toxicity Data: Oral LD50 (rat): 2,168 mg/kg (approximate)
Aquatic Toxicity: Harmful to aquatic life, especially fish and invertebrates
Persistence: Degrades in the environment, but toxicity can persist until neutralized
Bioaccumulation: Not known to bioaccumulate in higher organisms
Preferred Method: Dispose as hazardous waste via licensed facility
Avoid: Do not pour down drain, do not release to the environment
Empty Containers: Triple rinse, treat as hazardous
Proper Shipping Name: Amines, liquid, corrosive, n.o.s.
Hazard Class: Corrosive, Class 8
Packing Group: III
Transport Precautions: Use only approved containers, label correctly, avoid mixing with acids or oxidizers in transit
International Status: Listed on main chemical inventories
Workplace Restrictions: Subject to exposure limits for amines and corrosives
Hazard Communication: Labels and safety training for users required in many regions
