2-ethylhexan-1-amine

C8H19N

CAS104-75-6

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Identification

CAS Number
104-75-6
EC Number
203-233-8
UN Number
2276
PubChem CID
7719

Physical-chemical properties

Molecular Formula
C8H19N
Molar Mass
129.24 g/mol
IUPAC Name
2-ethylhexan-1-amine

Chemical Identifiers

InChI
InChI=1S/C8H19N/c1-3-5-6-8(4-2)7-9/h8H,3-7,9H2,1-2H3
InChI Key
LTHNHFOGQMKPOV-UHFFFAOYSA-N

Overview

2-ethylhexan-1-amine (CAS 104-75-6) is a branched primary aliphatic amine with eight carbon atoms and distinctive solvent properties. This versatile organic compound belongs to the family of primary amines, characterized by its branched alkyl chain structure that imparts unique physical and chemical properties. With the molecular formula C8H19N and a molecular weight of 129.24 g/mol, 2-ethylhexan-1-amine exhibits typical amine functionality while offering enhanced solubility characteristics compared to linear chain analogues. The compound's branched structure, featuring an ethyl substituent at the second carbon position, influences its boiling point, viscosity, and interaction with other chemical species. This structural configuration makes it particularly valuable in applications requiring specific solubility parameters and reactivity profiles. Unlike simpler amines, the branched nature provides improved compatibility with various organic systems while maintaining the characteristic basicity and nucleophilicity expected from primary amines. In industrial applications, 2-ethylhexan-1-amine serves as an important intermediate in the synthesis of surfactants, corrosion inhibitors, and specialty chemicals. Its use in the production of flotation agents for mineral processing represents another significant application, where its amphiphilic properties prove essential. The compound also finds application in the manufacture of rubber chemicals and as a catalyst or catalyst modifier in various polymerization processes. The chemical shares certain applications with related compounds such as 2-ethylbutyl acetate in solvent systems, though each offers distinct performance characteristics. Safety considerations include its classification under ADR Class 3, requiring appropriate handling protocols and storage conditions to ensure safe industrial use. OYSI maintains reliable supply chains for 2-ethylhexan-1-amine to support diverse industrial applications across European markets.

Safety & Classification

No Hazard Classification

This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.

Transport (ADR)

UN Number2276
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping Name2-Ethylhexylamin
Marine PollutantNo

Frequently Asked Questions

What is 2-ethylhexan-1-amine?

2-ethylhexan-1-amine is a primary aliphatic amine with the molecular formula C8H19N and CAS number 104-75-6. This branched-chain amine features an amino group attached to a 2-ethylhexyl backbone, giving it a molecular weight of 129.24 g/mol. It belongs to the family of fatty amines and exhibits typical amine characteristics including basicity and nucleophilicity, making it valuable in various chemical synthesis applications.

What are the physicochemical properties of 2-ethylhexan-1-amine?

2-ethylhexan-1-amine is a colorless to pale yellow liquid at room temperature with a characteristic amine odor. As a primary amine, it exhibits basic properties and is soluble in organic solvents while showing limited water solubility due to its hydrophobic alkyl chain. The compound has a boiling point around 169-170°C and demonstrates typical amine reactivity, readily forming salts with acids and participating in nucleophilic reactions.

What is 2-ethylhexan-1-amine used for?

2-ethylhexan-1-amine serves as an important intermediate in chemical synthesis and manufacturing processes. It is commonly used in the production of surfactants, corrosion inhibitors, and flotation agents for mineral processing. The compound also finds applications in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals. Additionally, it can be employed as a curing agent for epoxy resins and in the manufacture of rubber accelerators and antioxidants.

How to handle 2-ethylhexan-1-amine safely?

2-ethylhexan-1-amine should be handled with appropriate personal protective equipment including chemical-resistant gloves, safety glasses, and protective clothing. Work in well-ventilated areas or under fume extraction to avoid inhalation of vapors. As with all amines, avoid contact with skin and eyes, and prevent ingestion. Use appropriate tools to minimize direct contact and ensure proper grounding when transferring the material to prevent static electricity buildup during handling operations.

How to store 2-ethylhexan-1-amine correctly?

2-ethylhexan-1-amine should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep the material away from strong acids, oxidizing agents, and incompatible materials that could react with amines. Store in original containers with proper labeling and ensure storage areas comply with local chemical storage regulations. Maintain appropriate temperature control to prevent degradation and vapor formation.

What to do in case of contact with 2-ethylhexan-1-amine?

2-ethylhexan-1-amine contact requires immediate action depending on exposure route. For skin contact, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush immediately with clean water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention while providing safety data sheet information.

How to dispose of 2-ethylhexan-1-amine properly?

2-ethylhexan-1-amine disposal must comply with local, national, and international waste regulations. The material should not be discharged into sewers, waterways, or soil. Arrange disposal through licensed chemical waste contractors who can handle amine compounds appropriately. Small quantities may be neutralized with dilute acids under controlled conditions before disposal, but this should only be done by trained personnel. Always consult local environmental authorities for specific disposal requirements and approved waste treatment facilities.

How to transport 2-ethylhexan-1-amine?

2-ethylhexan-1-amine is classified under ADR Class 3 (flammable liquids), Packing Group III for transportation purposes. This classification requires appropriate packaging, labeling, and documentation according to dangerous goods regulations. Use UN-approved packaging and ensure proper placarding of transport vehicles. Transport should be conducted by trained personnel familiar with dangerous goods handling, and appropriate emergency response information must accompany shipments. Comply with all applicable national and international transport regulations.

Is 2-ethylhexan-1-amine subject to specific regulations?

2-ethylhexan-1-amine is subject to standard chemical regulations including REACH registration requirements for manufacturing and import in the European Union. The substance is not classified as a SVHC (Substance of Very High Concern) under current EU regulations. Users must comply with CLP regulation for classification, labeling, and packaging. Additionally, workplace exposure limits and occupational safety regulations apply when handling this chemical in industrial settings, along with standard chemical inventory and reporting requirements.

Where to buy 2-ethylhexan-1-amine in Europe?

2-ethylhexan-1-amine is available through OYSI, a specialized European distributor of technical chemicals and industrial raw materials. OYSI provides reliable supply chains for chemical intermediates and specialty chemicals across Europe. As an established chemical distributor, OYSI can provide proper documentation, safety data sheets, and regulatory compliance support for 2-ethylhexan-1-amine purchases. Contact OYSI directly for availability, specifications, packaging options, and delivery arrangements to your location within Europe.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.