Ethoxylated α-Naphtol

Alternative Names:

• Alpha-naphthol ethoxylate
• Polyethylene glycol α-naphthol ether
• Naphthol ethoxylate

Physical and Chemical Properties:

• Physical State: Liquid to waxy solid (depending on ethoxylation degree)
• Color: Light yellow to amber
• Odor: Mild, characteristic
• Solubility: Water soluble (solubility increases with ethoxylation degree)
• HLB Value: Varies with ethoxylation degree
• Flash Point: >150°C (typical)

Industrial Applications:

1. Textile Industry
   • Dyeing auxiliary
   • Leveling agent
   • Wetting agent
   • Dispersing agent
2. Surface Treatment
   • Emulsifier
   • Cleaning agent
   • Degreasing agent
   • Surface modifier
3. Industrial Processing
   • Paint and coating additives
   • Polymer processing aid
   • Industrial cleaners
   • Metal working fluids

Key Features:

• Good wetting properties
• Excellent emulsifying capabilities
• Variable water solubility based on ethoxylation
• Good compatibility with other surfactants

Performance Characteristics:

• Low foaming properties
• Good thermal stability
• Effective surface tension reduction
• Good dispersing properties

Safety and Handling:

1. Personal Protection
   • Use appropriate PPE
   • Eye protection required
   • Chemical-resistant gloves recommended
   • Provide adequate ventilation
2. Storage Requirements
   • Store in cool, dry place
   • Keep containers tightly sealed
   • Avoid extreme temperatures
   • Protect from moisture

Environmental Considerations:

• Biodegradability varies with ethoxylation degree
• Avoid release into waterways
• Dispose according to local regulations
• Consider environmental impact during use

Applications by Industry:

1. Textile Processing
   • Pre-treatment processes
   • Dyeing operations
   • Finishing processes
   • Textile cleaning
2. Industrial Cleaning
   • Hard surface cleaners
   • Metal cleaning
   • Degreasing operations
   • Industrial maintenance
3. Chemical Processing
   • Polymerization aid
   • Reaction medium
   • Process additive
   • Synthesis intermediate

Quality Parameters:

• Hydroxyl value
• Cloud point
• pH (1% solution)
• Color specification
• Water content
• Ethylene oxide content

Stability and Reactivity:

• Chemically stable under normal conditions
• Avoid strong oxidizing agents
• Avoid extreme temperatures
• Keep away from strong acids and bases

Transportation:

• Non-hazardous for transport
• Standard industrial packaging
• No special transport requirements
• Follow local shipping regulations

Usage Guidelines:

1. Dosage
   • Typically 0.1-2% of formulation
   • Application specific
   • Conduct compatibility tests
   • Optimize based on requirements
2. Processing
   • Can be used as received
   • May require heating for solid grades
   • Compatible with most formulation components
   • Easy to incorporate into formulations