© 2026 Nanjing Finechem Holdings Co., Ltd,
All Right Reserved
Chemical: Dimethylamine Solution
Common Use: Often turns up in industrial chemical processes such as water treatment and rubber vulcanization. Some labs use it to manufacture pharmaceuticals or pesticides. You might notice a strong fishy or ammonia-like odor from a pale, colorless liquid.
Physical Hazards: Reacts strongly with oxidizers and acids. Vapors can form explosive mixtures with air above room temperature.
Health Hazards: Causes severe irritation or burns to eyes, skin, and airways. Inhalation of high concentrations can knock out your ability to breathe comfortably or even temporarily stop it. Prolonged or repeated skin contact may lead to dermatitis. If splashed in the eye, permanent damage is possible.
Environmental Hazards: Lethal to aquatic life. Spills in waterways or soil could cause wide environmental damage.
Main Ingredient: Dimethylamine (typically 40% aqueous solution)
Chemical Formula: (CH3)2NH
Impurities: Water (solvent), possible low-level degradation products
CAS Number: 124-40-3
Inhalation: Move the person to fresh air quickly and watch for breathing distress. Oxygen is crucial if breathing struggles start. Emergency medical support may be needed.
Skin Contact: Strip off any contaminated clothing and rinse the skin for 15 minutes or more with lukewarm water. Avoid using ointments or creams before seeing a doctor.
Eye Contact: Immediate flushing with plenty of clean water is essential. Open the eyelids with fingers and rinse steadily for at least 15 minutes until medical help arrives.
Ingestion: Rinse the mouth carefully and avoid forcing the person to vomit. Get medical attention as soon as possible.
Suitable Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical powder, or carbon dioxide.
Special Hazards: Flammable vapors may catch fire rapidly. Fire can produce toxic gases such as nitrogen oxides and ammonia.
Protective Equipment: Firefighters should suit up with full protective clothing and self-contained breathing apparatus. Stay upwind and avoid inhaling fumes. Contain runoff from fire control to prevent contamination of waterways.
Personal Precautions: Clear the area and make sure only trained folks with appropriate protective gear respond. Ventilate closed spaces before entry.
Environmental Precautions: Block the release from spreading into drains or soil. Avoid direct discharge to surface water and prevent entry into the sewer system.
Methods for Clean-up: Absorb small spills with inert materials like vermiculite or dry sand, then shovel into proper disposal containers. Rinse the spill area fully with water to remove any residue.
Handling: Always work in well-ventilated places or under a chemical fume hood. Avoid touching the skin or eyes, or breathing the vapor, to dodge chemical burns or breathing difficulties. Never eat, drink, or smoke around the product.
Storage: Store in tightly closed containers, away from heat, sparks, or open flames. Keep separate from acids, oxidizers, or other incompatible materials. Containers should sit on non-combustible surfaces in cool, well-ventilated rooms.
Engineering Controls: Local exhaust helps greatly by removing fumes at their source. Eye-wash stations and safety showers must always be ready for use.
Personal Protective Equipment: Splash goggles, chemical-resistant gloves (nitrile or neoprene work best), lab coats or aprons, and closed footwear. Respiratory protection, such as an approved respirator, steps in when ventilation can't handle the exposure levels.
Exposure Limits: The established limit by OSHA stands at 10 ppm (parts per million) over an 8-hour work shift.
Appearance: Clear to pale yellow liquid, strong odor similar to ammonia.
Boiling Point: Around 7°C for pure dimethylamine; aqueous solutions rise higher.
Melting Point: Below room temperature.
Vapor Pressure: High at room temperature, so fumes build up fast.
Solubility: Easily dissolves in water.
pH: Highly basic in solution.
Chemical Stability: Stays stable when kept in recommended storage conditions away from incompatible substances.
Conditions to Avoid: Heat, open flames, sparks, static discharge, and mixing with acids or oxidizing materials.
Hazardous Reactions: Violent reactions with strong acids make toxic vapors.
Decomposition Products: Releases ammonia and nitrogen oxides if heated or burned.
Acute Exposure: Serious irritation can attack skin, eyes, mucous membranes, and breathing passages. Larger doses risk systemic toxicity.
Chronic Effects: Regular or lengthy skin contact could dry out or crack skin. Long-term exposure may trigger breathing sensitivity.
Routes of Exposure: Fumes, splashes, or direct contact are all risky.
Symptoms: Burning sensation, coughing, chest tightness, watery eyes, and (after high exposures) dizziness or headache.
Aquatic Toxicity: Highly toxic to fish and aquatic invertebrates. Even small amounts may kill or disrupt local life.
Persistence and Degradability: May not stick around forever in water or soil, but the initial impact poses a serious risk.
Mobility in Soil: Moves quickly through sandy soil, so a spill can threaten groundwater fast.
Disposal Methods: Any leftover solution or contaminated absorbent belongs in approved chemical waste containers. Seek a licensed hazardous waste disposal provider. Mixing with acids or drains can hurt the environment or break the law.
Precautions: Neutralization and professional advice are key before sending anything out as waste — always double-check regulations.
Classification: Recognized as a hazardous material for shipping on road, rail, air, or sea.
Packing Group: Usually Group II (moderate hazard).
Transportation Precautions: Secure containers tightly and shield them from heat and rough handling. Label every container clearly with hazard symbols.
OSHA: Regulated hazardous chemical in the United States under worker safety laws.
EPA: Listed on the Inventory and subject to Community Right-to-Know laws.
International: Subject to transportation and safety standards in many countries, including requirements for labeling, documentation, and emergency plans.
