Description

1,3-Benzenedimethanol, 5-(1,1-Dimethylethyl)-2-Hydroxy- is a high-purity, functionalized aromatic diol compound, also known as 3,5-Bis(hydroxymethyl)-2-tert-butylphenol. This specialty chemical serves as a versatile building block and intermediate, valued for its dual hydroxyl functionality and sterically hindered phenolic structure. It is primarily utilized in the synthesis of advanced polymers, high-performance resins, and specialty additives where controlled reactivity and thermal stability are critical. Key industries that require this compound include polymer chemistry, advanced material science, and fine chemical manufacturing.

Application

• Polymer & Resin Synthesis: Acts as a key monomer or chain extender in the production of polyesters, polyurethanes, and phenolic resins, imparting rigidity and thermal properties.
• Antioxidant & Stabilizer Precursor: Used in the synthesis of hindered phenol antioxidants for plastics, rubber, and lubricants to prevent oxidative degradation.
• Crosslinking Agent: Employed in coatings, adhesives, and sealants formulations to enhance network density and improve mechanical performance.
• Pharmaceutical & Agrochemical Intermediates: Serves as a building block for synthesizing more complex molecules in active pharmaceutical ingredients (APIs) and crop protection agents.
• Dendrimer & Hyperbranched Polymer Construction: Utilized as a core or branching unit due to its symmetrical diol functionality for creating defined macromolecular architectures.
• Specialty Additive Manufacturing: Incorporated into formulations for UV-curable resins and other advanced additive manufacturing materials.

Basic Information

Product Name	1,3-Benzenedimethanol, 5-(1,1-Dimethylethyl)-2-Hydroxy-
CAS No.	2203-14-7
Molecular Formula	C13H20O3
Molecular Weight	224.30 g/mol
Synonyms	3,5-Bis(hydroxymethyl)-2-tert-butylphenol; 2-tert-Butyl-3,5-bis(hydroxymethyl)phenol; 2-tert-Butyl-5-hydroxy-1,3-benzenedimethanol; 2-(tert-Butyl)-5-hydroxy-1,3-phenylenedimethanol; BHBP; Phenol, 2-(1,1-dimethylethyl)-3,5-bis(hydroxymethyl)-
EINECS	218-618-5

Quality Control

Our 1,3-Benzenedimethanol, 5-(1,1-Dimethylethyl)-2-Hydroxy- is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent composition. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring reliable and traceable raw materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) when not in use to prevent moisture absorption and potential degradation. 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	118 - 122 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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