Description

2-Butylhydroquinone is a synthetic phenolic antioxidant widely used to inhibit oxidative degradation in various industrial processes. Its primary commercial value lies in its effectiveness as a stabilizer and polymerization inhibitor, extending the shelf life and performance stability of sensitive materials. This compound is essential for manufacturers in the polymer, chemical synthesis, and specialty materials sectors who require reliable protection against autoxidation.

Application

• Polymer Stabilizer: Acts as an antioxidant in the production and processing of polymers and plastics to prevent thermal and oxidative degradation.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex antioxidants, pharmaceuticals, and agrochemicals.
• Inhibitor for Monomers: Used to prevent premature polymerization of vinyl monomers like styrene and acrylic esters during storage and transportation.
• Fuel & Lubricant Additive: Functions as an antioxidant additive in fuels, oils, and greases to enhance oxidative stability.
• Photographic Chemical: Employed in certain photographic developers and as a stabilizer in related imaging materials.
• Rubber Antioxidant: Protects synthetic rubber and elastomers from aging caused by heat and oxygen exposure.

Basic Information

Product Name	2-Butylhydroquinone
CAS No.	4197-69-7
Molecular Formula	C10H14O2
Molecular Weight	166.22 g/mol
Synonyms	tert-Butylhydroquinone (TBHQ); 2-(1,1-Dimethylethyl)-1,4-benzenediol; Mono-tert-butylhydroquinone; TBHQ; 2-tert-Butylhydroquinone; 2-tert-Butyl-1,4-dihydroxybenzene; 1,4-Dihydroxy-2-tert-butylbenzene; Antioxidant TBHQ
EINECS	224-103-8

Quality Control

Our 2-Butylhydroquinone is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise specifications. A Certificate of Analysis (COA) documenting purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and compliance.

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 sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to light tan crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	126 - 129 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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