Description

Ethylhydroquinone is a specialized organic compound belonging to the hydroquinone family, valued for its role as a versatile chemical intermediate and polymerization inhibitor. Its primary commercial significance lies in its ability to function as an effective antioxidant and stabilizer, preventing premature degradation in sensitive formulations. This product is essential for manufacturers in the polymer, agrochemical, and fine chemical synthesis industries who require reliable quality and consistent performance in their processes.

Application

• Polymerization Inhibitor: Used to control and prevent unwanted polymerization during the storage and processing of monomers like styrene, acrylics, and vinyl acetate.
• Antioxidant Stabilizer: Incorporated into industrial oils, lubricants, and petrochemical products to inhibit oxidative degradation and extend service life.
• Chemical Synthesis Intermediate: Serves as a key building block in the synthesis of more complex agrochemicals, pharmaceuticals, and performance chemicals.
• Photographic Developer Component: Employed in specific photographic developer formulations for its reducing properties.
• Dye and Pigment Manufacturing: Acts as a precursor in the production of certain dyes and organic pigments.

Basic Information

Product Name	Ethylhydroquinone
CAS No.	2349-70-4
Molecular Formula	C8H10O2
Molecular Weight	138.16 g/mol
Synonyms	2-Ethyl-1,4-benzenediol; 2-Ethylhydroquinone; 1,4-Dihydroxy-2-ethylbenzene; Ethyl-1,4-benzenediol; p-Hydroxyphenethyl alcohol (tautomer); EQ; 2-EHQ
EINECS	219-076-5

Quality Control

Our Ethylhydroquinone is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to meet exacting customer specifications. Certificates of Analysis (COA) documenting purity, physical characteristics, and test results are provided with every shipment to support your quality assurance protocols.

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 as an easily oxidized compound, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation of quality. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	102°C - 106°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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