4′-Hydroxyacetophenone CAS 99-93-4

Basic Information

Product Name: 4'-Hydroxyacetophenone
CAS Number: 99-93-4
Molecular Formula: C₈H₈O₂
Appearance: White needle-like crystals or crystalline powder
Odor: Mild aromatic odor, non-irritating
Density: 1.109 g/cm³ (25°C)
Flash Point: 121°C

4'-Hydroxyacetophenone is a high-purity aromatic ketone compound widely used as an important intermediate in cosmetics, pharmaceuticals, fragrances, and advanced material applications.

Main Application Fields

1. Cosmetics and Personal Care

4'-Hydroxyacetophenone is widely used in cosmetic formulations as a multifunctional ingredient with preservative-boosting and antioxidant properties.

• Acts as a mild preservative enhancer in creams, lotions, and serums

• Helps improve antioxidant stability and extends product shelf life

• Reduces irritation when combined with conventional preservatives

• Complies with EU cosmetic regulations and China cosmetic ingredient standards

2. Pharmaceutical Intermediates

This compound is an important raw material in pharmaceutical synthesis and fine chemical production.

• Key intermediate for the synthesis of paracetamol (acetaminophen)

• Used in the development of antipyretic and analgesic drugs

• Applied in cardiovascular drug intermediate synthesis

• Serves as a fundamental building block in API manufacturing

3. Fragrance and Flavor Industry

4'-Hydroxyacetophenone plays an important role in aroma chemical synthesis.

• Precursor for floral fragrance compounds such as gardenia and hawthorn notes

• Used in edible flavor formulations

• Applied in daily-use fragrance blending

4. Polymer and Material Applications

It is also used in advanced material modification and polymer chemistry.

• Raw material for light stabilizers and antioxidant additives

• Used in specialty resin modification

• Enhances material stability and performance

Product Advantages

High Purity
HPLC purity ≥ 99.0%, low impurity content, strong and stable reactivity

Stable Quality
Strict production process control ensures excellent batch-to-batch consistency

Wide Application Range
Validated use across cosmetics, pharmaceuticals, fragrances, and materials industries

Regulatory Compliance
Meets RoHS, REACH, and global cosmetic ingredient regulatory requirements

Stable Supply Capacity
Large-scale production with sufficient inventory and reliable global delivery support

4'-Hydroxyacetophenone is a versatile and high-value chemical intermediate, offering strong performance advantages across multiple industrial sectors, especially in modern cosmetic and pharmaceutical formulation systems.