Description

p-(1-Hydroxy-1-Methylethyl)Benzoic Acid is a specialized aromatic carboxylic acid derivative featuring a tertiary alcohol functional group. This unique bifunctional structure makes it a valuable intermediate and building block in advanced organic synthesis. It is primarily sought after by pharmaceutical, agrochemical, and specialty polymer industries for the development of active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a benzoic acid core with a sterically hindered alcohol moiety.
• Agrochemical Synthesis: Building block for herbicides, fungicides, and plant growth regulators, where its aromatic-acid structure contributes to biological activity.
• Polymer Modifier: Used in the production of specialty polyesters, alkyd resins, and coatings to introduce branching, improve adhesion, and modify thermal properties.
• Liquid Crystal Materials: Intermediate for synthesizing monomers used in liquid crystal displays (LCDs) and other advanced optical materials.
• Crosslinking Agent: Functions as a crosslinker in epoxy and other thermosetting resin systems due to its carboxylic acid and hydroxyl groups.
• Organic Synthesis Reagent: Serves as a protected or functionalized benzoic acid derivative in multi-step synthetic routes for fine chemicals.

Basic Information

Product Name	p-(1-Hydroxy-1-Methylethyl)Benzoic Acid
CAS No.	3609-50-5
Molecular Formula	C10H12O3
Molecular Weight	180.20 g/mol
Synonyms	4-(2-Hydroxypropan-2-yl)benzoic Acid; 4-(1-Hydroxy-1-methylethyl)benzoic Acid; 2-(4-Carboxyphenyl)propan-2-ol; p-(α-Hydroxyisopropyl)benzoic Acid; 4-(2-Hydroxy-2-propyl)benzoic Acid; Benzoic acid, 4-(1-hydroxy-1-methylethyl)-; HMPBA
EINECS	Contact for details

Quality Control

Our production of p-(1-Hydroxy-1-Methylethyl)Benzoic Acid adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy. We provide Certificates of Analysis (COA) with every shipment, detailing all critical specifications to ensure compliance with your process requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 190 °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.