4-Butylresorcinol CAS 18979-61-8

Chemical Name: 4-Butylresorcinol
CAS No.: 18979-61-8
Molecular Fomula: C10H14O2
Molecular weight: 166.22
Appearance: White to light yellow powder
Assay: ≥99%

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4-Butylresorcinol (CAS 18979-61-8) Ultimate Guide: Applications, Case Studies & Supplier Insights

Table of Contents

Product Overview & Specifications

4-Butylresorcinol (CAS 18979-61-8) is a potent tyrosinase inhibitor with the following properties:

Parameter Specification
Molecular Formula C10H14O2
Purity ≥99% (HPLC)
Melting Point 86-89°C
Solubility Ethanol, Propylene Glycol
Storage 2-8°C in dark container

Technical Parameters Comparison

Feature 4-Butylresorcinol Resorcinol 4-Hexylresorcinol
Tyrosinase Inhibition 98% 72% 89%
Stability in Formulation Excellent Moderate Good
Skin Penetration 0.32 μg/cm²/h 0.15 μg/cm²/h 0.28 μg/cm²/h

Key Applications

Primary industrial uses include:

  • Skin brightening formulations (0.3-1% concentration)
  • Melasma treatment solutions
  • Antioxidant serums
  • Anti-aging cream stabilization

Operational Guidelines

Formulation Recommendations:

  • pH Range: 4.5-6.0 for optimal stability
  • Combine with Vitamin C derivatives for synergistic effects
  • Maximum recommended dosage: 3% in leave-on products

Case Studies

Case 1: Korean Cosmetic Manufacturer (2023)
Challenge: Develop non-hydroquinone brightening serum
Solution: 0.8% 4-Butylresorcinol + 2% Niacinamide
Result: 94% users reported visible brightness in 4 weeks

Case 2: European Dermatology Research Center (2024)
Application: Melasma treatment protocol
Formulation: 1% 4-Butylresorcinol microemulsion
Outcome: 37% reduction in MASI scores vs placebo

Contact for Technical Consultation

Request formulation guidance or COA documentation:
Email: info@vivalr.com
Tel: (86) 15866781826
Available: Mon-Fri 9:00-18:00 GMT+8

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