N,N-dimethylmethanamine
C3H9N
Consulting for N,N-dimethylmethanamine
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Identification
- CAS Number
- 75-50-3
- EC Number
- 200-875-0
- UN Number
- 1083
- Index Number
- 612-001-00-9
- PubChem CID
- 1146
Physical-chemical properties
- Molecular Formula
- C3H9N
- Molar Mass
- 59.11 g/mol
- IUPAC Name
- N,N-dimethylmethanamine
Chemical Identifiers
- InChI
- InChI=1S/C3H9N/c1-4(2)3/h1-3H3
- InChI Key
- GETQZCLCWQTVFV-UHFFFAOYSA-N
Overview
N,N-dimethylmethanamine (CAS 75-50-3) is a tertiary aliphatic amine with high volatility and strong basic properties. This colorless gaseous compound, also known by its systematic IUPAC name N,N-dimethylmethanamine, represents one of the simplest tertiary amines in organic chemistry. With a molecular formula of C3H9N and molecular weight of 59.11 g/mol, this substance exhibits characteristic properties typical of low molecular weight amines, including high water solubility and pronounced basicity. Unlike simpler compounds such as ethanamine, N,N-dimethylmethanamine contains three methyl groups attached to the nitrogen atom, which significantly influences its chemical behavior and industrial applications. The compound presents several important safety considerations due to its classification under multiple hazard categories. As a flammable gas (Flam. Gas 1) and pressurized gas, it requires careful handling protocols and appropriate storage conditions. The substance also exhibits acute toxicity (Acute Tox. 4), skin irritation properties (Skin Irrit. 2), and can cause serious eye damage (Eye Dam. 1). Additionally, it may cause specific target organ toxicity following single exposure (STOT SE 3). These hazard classifications necessitate the use of proper personal protective equipment and adherence to strict safety protocols during handling and transportation, reflected in its ADR Class 2 designation for gases. In industrial applications, N,N-dimethylmethanamine serves primarily as a chemical intermediate in pharmaceutical synthesis, as a catalyst in polymerization reactions, and in the production of specialty chemicals. The compound's strong nucleophilic properties make it valuable in various organic synthesis processes. OYSI maintains reliable supply chains for N,N-dimethylmethanamine to support diverse industrial requirements across European markets.
Safety & Classification
Flam. Gas 1; Press. Gas; Acute Tox. 4 *; STOT SE 3; Skin Irrit. 2; Eye Dam. 1
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).
First Aid Measures
Inhalation
Measures if vapours or dust are inhaled
Skin Contact
Measures if substance contacts the skin
First Aid Actions
- +P302IF ON SKIN:
- +P352Wash with plenty of water.
- +P361Take off immediately all contaminated clothing.
- +P313Get medical advice/attention.
Related hazard statements:
Eye Contact
Measures if substance gets into the eyes
First Aid Actions
- +P305IF IN EYES:
- +P351Rinse cautiously with water for several minutes.
- +P338Remove contact lenses, if present and easy to do. Continue rinsing.
- +P313Get medical advice/attention.
Related hazard statements:
General Measures
Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)
First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.
Transport (ADR)
| UN Number | 1083 |
| ADR Class | 2 |
| Packing Group | |
| Tunnel Code | B/D |
| Proper Shipping Name | Trimethylamin, wasserfrei, unter Druck verflüssigt |
| Marine Pollutant | No |
Frequently Asked Questions
What is N,N-dimethylmethanamine?
N,N-dimethylmethanamine is a tertiary amine compound with the chemical formula C3H9N and CAS number 75-50-3. Also known as trimethylamine, it has a molecular weight of 59.11 g/mol and exists as a flammable gas under normal conditions. This compound is classified as hazardous with multiple danger classes including flammable gas, pressurized gas, and acute toxicity. It poses risks to skin, eyes, and respiratory system upon exposure.
What are the physicochemical properties of N,N-dimethylmethanamine?
N,N-dimethylmethanamine is a colorless gas at room temperature with a characteristic fishy, ammonia-like odor. It is highly soluble in water and polar solvents due to its amine structure. The compound has a boiling point of approximately 2.9°C and is lighter than air. It readily forms flammable mixtures with air and can be easily liquefied under pressure, making it typically stored and transported as a pressurized gas.
What is N,N-dimethylmethanamine used for?
N,N-dimethylmethanamine serves as an important intermediate in chemical synthesis and pharmaceutical manufacturing. It is used in the production of quaternary ammonium compounds, surfactants, and various pharmaceuticals. The compound also finds applications in the manufacture of pesticides, herbicides, and rubber accelerators. Additionally, it is utilized in organic synthesis reactions as a nucleophilic reagent and in the production of ion exchange resins and other specialty chemicals.
How to handle N,N-dimethylmethanamine safely?
N,N-dimethylmethanamine requires strict safety measures including use of appropriate respiratory protection, chemical-resistant gloves, and eye protection. Work must be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Eliminate all ignition sources as the compound is highly flammable. Personnel should wear protective clothing to prevent skin contact and ensure emergency shower facilities are accessible. Gas detection equipment is recommended in work areas.
How to store N,N-dimethylmethanamine correctly?
N,N-dimethylmethanamine must be stored in appropriate pressure vessels designed for flammable gases in cool, dry, well-ventilated areas away from heat sources and ignition sources. Storage areas should be separated from oxidizing materials and incompatible substances. Cylinders should be secured upright and protected from physical damage. Temperature should be maintained below 50°C, and storage areas must comply with local regulations for flammable gas storage with appropriate fire suppression systems.
What to do in case of contact with N,N-dimethylmethanamine?
Immediate action is required upon contact with N,N-dimethylmethanamine. For skin contact, remove contaminated clothing and flush affected area with plenty of water for at least 15 minutes. In case of eye contact, rinse immediately with water for at least 15 minutes and seek medical attention. If inhaled, move person to fresh air and seek medical attention if breathing difficulties occur. For ingestion, do not induce vomiting and seek immediate medical assistance.
How to dispose of N,N-dimethylmethanamine appropriately?
N,N-dimethylmethanamine disposal must comply with local, national, and international waste regulations as it is classified as hazardous waste. The compound should never be released to atmosphere or sewage systems. Disposal should be conducted through licensed hazardous waste disposal facilities capable of handling flammable gases. Empty containers may retain hazardous residues and require proper treatment. Consult local environmental authorities for specific disposal requirements and approved disposal facilities.
How to transport N,N-dimethylmethanamine?
N,N-dimethylmethanamine is classified under ADR Class 2 as a flammable gas requiring specialized transport procedures. It must be transported in approved pressure vessels with proper labeling including GHS pictograms (GHS02, GHS04, GHS07, GHS05). Vehicles must carry appropriate emergency equipment and placarding. Drivers require ADR training certification. Transport should avoid heat sources and ensure adequate ventilation. Shipping documentation must include proper shipping names and hazard classifications.
Is N,N-dimethylmethanamine subject to specific regulations?
N,N-dimethylmethanamine is subject to comprehensive European regulations including REACH registration requirements and CLP classification obligations. It carries the signal word 'Danger' and multiple hazard classifications including flammable gas, acute toxicity, and corrosive properties. The compound is not currently listed as a Substance of Very High Concern (SVHC). Industrial users must comply with occupational exposure limits, workplace safety regulations, and environmental protection measures as specified in relevant EU directives.
Where to buy N,N-dimethylmethanamine in Europe?
N,N-dimethylmethanamine is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this compound to industrial customers across Europe with proper documentation, safety data sheets, and regulatory compliance support. As a hazardous chemical requiring specialized handling and transport, purchase is typically restricted to qualified industrial users with appropriate safety facilities and handling capabilities. Contact OYSI directly for availability, specifications, and regulatory requirements for your specific application.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.