Description

Phthalic Acid 1-Ethyl 2-Potassium Salt is a specialized organic salt derived from phthalic acid, serving as a versatile intermediate and functional additive in advanced chemical synthesis. Its value lies in its unique ionic character and solubility profile, which facilitates specific reactions and property modifications in formulated products. This compound is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty polymer industries seeking precise chemical building blocks.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals requiring a potassium carboxylate functional group.
• Polymer Modification: Acts as a monomer or additive to introduce specific ionic or solubility characteristics into specialty polymers and resins.
• Agrochemical Synthesis: Serves as a key precursor in the production of certain herbicides, fungicides, and plant growth regulators.
• Catalyst & Ligand Preparation: Utilized in the preparation of potassium-based catalysts or as a ligand precursor in coordination chemistry.
• Research & Development: A valuable reagent for academic and industrial R&D in organic and medicinal chemistry.
• Electrolyte Component: Potential use as an additive or component in specialized electrolyte formulations for energy storage applications.

Basic Information

Product Name	Phthalic Acid 1-Ethyl 2-Potassium Salt
CAS No.	91413-16-0
Molecular Formula	C10H9KO4
Molecular Weight	232.27 g/mol
Synonyms	Potassium 2-ethylphthalate; 1-Ethylphthalic Acid Potassium Salt; 2-Carboxyethylbenzoic Acid Potassium Salt; Ethyl Potassium Phthalate; Phthalic Acid Monoethyl Ester Potassium Salt; Potassium Hydrogen Ethyl Phthalate; Monopotassium Ethyl Phthalate
EINECS	Contact for details

Quality Control

Our Phthalic Acid 1-Ethyl 2-Potassium Salt is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specific results for assay, impurity profile, and other critical parameters is provided with every shipment to guarantee it meets your technical requirements.

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). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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