Description

tert-Butylhydroquinone Diacetate is a high-purity, protected derivative of the widely used antioxidant tert-butylhydroquinone (TBHQ). This compound serves as a versatile intermediate and precursor, offering enhanced stability and handling properties for advanced chemical synthesis. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for the controlled release of the active TBHQ moiety under specific reaction conditions.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) where a protected phenolic group is required.
• Polymer Stabilizer Precursor: Acts as a key intermediate for manufacturing specialized antioxidants and light stabilizers for plastics and synthetic rubbers.
• Agrochemical Synthesis: Employed in the production of certain pesticides and herbicides as a building block.
• Food-Grade Antioxidant Production: Serves as a protected form in the multi-step synthesis of food-approved antioxidants like TBHQ.
• Research & Development: Utilized in organic chemistry R&D for studying oxidation mechanisms and developing new stabilization systems.
• Cosmetic Ingredient Intermediate: Used in the controlled synthesis of antioxidant components for cosmetic formulations.

Basic Information

Product Name	tert-Butylhydroquinone Diacetate
CAS No.	7507-48-4
Molecular Formula	C14H18O4
Molecular Weight	250.29 g/mol
Synonyms	TBHQ Diacetate; 2,5-Diacetoxy-1,4-di-tert-butylbenzene; 1,4-Di-tert-butyl-2,5-diacetoxybenzene; 2,5-Bis(acetyloxy)-1,4-bis(1,1-dimethylethyl)benzene; Hydroquinone, 2,5-diacetate, 1,4-di-tert-butyl-; tert-Butylhydroquinone Diacetyl Ester; 1,4-Di-tert-butyl-2,5-dihydroxybenzene Diacetate
EINECS	231-373-8

Quality Control

Our tert-Butylhydroquinone Diacetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets precise customer specifications. Certificates of Analysis (COA) are provided with every shipment, detailing all critical quality attributes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	118°C - 122°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.