Description

Hydroquinone is a high-purity aromatic organic compound widely recognized for its potent reducing and antioxidant properties. This versatile chemical intermediate is essential for industrial processes requiring precise control over oxidation-reduction reactions. It serves as a critical building block for manufacturers in the polymer, photographic, and personal care industries, where consistent quality and reliable supply are paramount.

Application

• Polymer & Rubber Industry: Primarily used as a key polymerization inhibitor and stabilizer for monomers like acrylics, styrene, and vinyl acetate to prevent premature polymerization during storage and transport.
• Photographic Development: Acts as a primary reducing agent (developer) in black-and-white photographic developers and other photochemical formulations.
• Cosmetics & Personal Care: Employed as a skin-lightening agent in specific dermatological treatments and cosmetic formulations, subject to regional regulatory approvals.
• Dyes & Pigments: Serves as a crucial intermediate in the synthesis of various anthraquinone dyes and organic pigments.
• Agrochemicals: Used in the manufacturing of certain herbicides and pesticide intermediates.
• Technical Applications: Functions as an antioxidant in fuels, oils, and as a reducing agent in analytical chemistry and water treatment processes.

Basic Information

Product Name	Hydroquinone
CAS No.	123-31-9
Molecular Formula	C6H6O2
Molecular Weight	110.11 g/mol
Synonyms	1,4-Benzenediol; p-Benzenediol; p-Dihydroxybenzene; Quinol; p-Hydroxyphenol; Hydroquinol; Tecquinol; Eldoquin; Arctuvin
EINECS	204-617-8

Quality Control

Our Hydroquinone is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets the required specifications for purity, identity, and performance. We provide full traceability and support our products with detailed Certificates of Analysis (COA) upon request, confirming compliance with relevant industry and customer-specific standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its nature of being easily oxidized, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from strong oxidizers, acids, and bases.

Specification

Item	Specification
Appearance	White to light tan crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
Melting Point	172 - 175 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.