4-Butylresorcinol
4-Butylresorcinol (CAS 18979-61-8, Rucinol) is a high-efficiency whitening active ingredient. It strongly inhibits tyrosinase, fades melanin, improves dull skin and melasma. High purity 99%, safe and stable for cosmetic formulas. In stock, COA & MSDS available.
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4-Butylresorcinol CAS 18979-61-8 | High Efficiency Skin Brightening Cosmetic Active Raw Material
Product Overview
4-Butylresorcinol, commonly known as Rucinol, is a high-performance resorcinol-derived whitening active with CAS number 18979-61-8. It appears as white to off-white fine crystalline powder. Compared with ordinary whitening ingredients, 4-Butylresorcinol delivers superior melanin inhibition efficiency and excellent skin permeability. It targets tyrosinase activity fundamentally, blocks melanin synthesis, fades pigmentation, chloasma and sun spots, and effectively improves uneven and dull skin tone. With mild irritation and stable formula performance, it is widely used in high-end brightening and spot-removing cosmetic products.
Key Features & Benefits
- Ultra-high tyrosinase inhibition rate, stronger whitening effect than common VC and arbutin
- Blocks melanin production from the source, prevents pigment deposition
- Fades stubborn dark spots, melasma and post-inflammatory hyperpigmentation
- Improves yellowish and dull skin, brightens overall skin complexion
- Good skin permeability, easy absorption and obvious brightening effect
- Low irritation, safe for long-term skin use
- High temperature and formula stability, not easy to deactivate
- Excellent compatibility with most skincare actives
Applications
- Whitening & brightening skincare: whitening serum, brightening cream, facial toner
- Spot removal products: freckle fading essence, melasma repair lotion
- Post-sun repair: sunburn pigment correction and brightening care
- Anti-dark and yellow improvement skincare series
- High-end professional dermocosmetic brightening formulas
Technical Specifications
INCI Name: 4-Butylresorcinol CAS Number: 18979-61-8 Appearance: White to Off-White Crystalline Powder Grade: Cosmetic Premium Grade Purity: 99% Min Melting Point: 52℃ – 55℃ Recommended Dosage: 0.1% – 1.0%
Our Advantage
We supply high-purity 4-Butylresorcinol with 99% minimum purity, stable batch color and activity. Strict impurity control ensures safe and efficient formula application. Complete documents including COA, MSDS and TDS are available. Sufficient stock, fast global delivery, free sample testing and customized packaging are supported. Welcome global cosmetic manufacturers and formulators for bulk wholesale inquiry and long-term cooperation.
Product Specifications
| Specification | Value |
|---|---|
| Product Name | 4-Butylresorcinol |
| CAS Number | 18979-61-8 |
| Category | Nutrition Supplements |
| Grade | Food / Flavor Grade |
| Packaging | 1 kg / 5 kg / 25 kg drum |
| Shelf Life | 24 months |
| Documentation | COA, TDS, MSDS supplied with each shipment |
| Origin | China |
Why Choose Taima Bio
Taima Bio supplies specialty ingredients with defined chemical specifications, full documentation (COA, TDS, MSDS), and reliable international supply. Our products serve food, beverage, confectionery, and flavor formulation customers worldwide, with flexible quantities from laboratory evaluation to commercial-scale packaging.