Hydroquinone (1,4-Dihydroxybenzene)

Hydroquinone, also known as quinol or benzene-1,4-diol, is a high-quality aromatic organic compound. It appears as white crystalline needles or granules. As a crucial chemical intermediate, our Hydroquinone is manufactured under strict quality controls to ensure high purity and stability, making it suitable for a wide range of industrial and specialized applications.

• CAS No.: 123-31-9

• Molecular Formula: C₆H₄(OH)₂

• Molecular Weight: 110.1 g/mol

• Appearance: White or off-white crystalline powder

Key Features / Benefits

• High Purity: Minimal impurities ensure consistent results in sensitive applications like polymerization and photography.

• Excellent Solubility: Readily soluble in water, alcohol, and ether, allowing for easy formulation.

• Strong Reducing Agent: Exhibits excellent antioxidant and reducing properties.

• Stability: Stable under recommended storage conditions, ensuring a long shelf life.

Main Applications

• Hydroquinone is a versatile chemical widely utilized across various sectors:

• Photography: Acts as a classic black-and-white film developer, reducing silver halides to metallic silver.

• Chemical Synthesis: Serves as a key intermediate in the production of antioxidants for rubber and food, and as an inhibitor in the manufacturing of plastics and adhesives to prevent premature polymerization.

• Cosmetics & Pharmaceuticals: Used as an active ingredient in dermatological preparations (strictly regulated as a prescription agent) for skin lightening and treating hyperpigmentation.

• Polymer Industry: Employed as a polymerization inhibitor (retarder) for monomers such as acrylic acid, methacrylic acid, and vinyl acetate during storage and transport.

• Coatings & Inks: Utilized as a stabilizer to prevent skinning and improve shelf life.

Packaging & Storage

• Packaging: Available in 25kg fiber drums, 500kg jumbo bags, or as per customer requirements. Inner lined with polyethylene bags to ensure dryness.

• Storage Conditions: Store in a cool, dry, well-ventilated area away from light. Keep container tightly closed. Protect from moisture and strong oxidizing agents.

• Shelf Life: 24 months when properly stored.

Safety & Handling

• Hydroquinone requires careful handling. It is essential to read the Safety Data Sheet (SDS) before use.

• Hazard Class: 6.1 (Toxic substances)

• Precautions: Avoid dust formation and contact with skin, eyes, and clothing. Use only with adequate ventilation (e.g., local exhaust) and wear personal protective equipment (gloves, goggles).