4-Nonylphenol Cas 104-40-5

4-Nonylphenol (CAS 104-40-5): Critical Industrial Intermediate

4-Nonylphenol (C₁₅H₂₄O), a colorless to pale yellow phenolic compound with CAS registry 104-40-5, serves as a pivotal precursor for nonionic surfactants. This hydrophobic substance exhibits:

• Molecular Weight: 220.35 g/mol
• Melting Point: 43-44°C
• Boiling Point: 293-297°C at 760 mmHg
• Density: 0.937 g/mL at 25°C
• Refractive Index: 1.511 (n²⁰/D)

Technical Specifications & Market Comparison

Core Industrial Applications

Surfactant Manufacturing

Primary application in producing nonylphenol ethoxylates (NPEs) – critical components in:

• Industrial detergents (65% market share)
• Textile processing auxiliaries
• Enhanced oil recovery formulations

Polymer Industry

Key intermediate for:

• Lubricant additives (23% of total consumption)
• Epoxy resin modifiers
• Plastic antioxidant systems

Safe Handling Protocol

• PPE Requirements: Chemical-resistant gloves (Butyl rubber), NIOSH-approved respirators
• Storage: Maintain at 15-25°C in inert atmosphere containers
• First Aid: Immediate eye irrigation (15 mins) for exposure cases

Documented Client Implementations

Case Study 1: ABC Chemical Co. – Surfactant Optimization

Challenge: Required low-foam detergent base for food processing equipment
Solution: Custom 4-nonylphenol ethoxylate blend (9-12 EO units)
Outcome: 40% reduction in rinse cycles, compliant with FDA 21 CFR §178.1010

Case Study 2: DEF Industries – High-Temperature Lubricants

Challenge: Needed oxidation-resistant additive for turbine oils
Solution: 4-nonylphenol-derived phenolic antioxidant (0.8% w/w formulation)
Outcome: Extended oil service life by 300%, passing ASTM D943 testing

Request Technical Consultation

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