Description

(1-Ethylhexyl) Hydrogen Phthalate is a specialized organic ester compound, also known as 2-Ethylhexyl Hydrogen Phthalate. This chemical serves as a crucial intermediate and functional additive, valued for its role in modifying polymer properties and acting as a reactive plasticizer. It is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance product performance and processability.

Application

• Primary Intermediate for Plasticizers: A key raw material in the synthesis of higher molecular weight phthalate plasticizers, such as dioctyl phthalate (DOP).
• Polymer Modification: Used to improve the flexibility, workability, and low-temperature performance of polyvinyl chloride (PVC) and other polymers.
• Adhesive & Sealant Formulations: Acts as a tackifier and viscosity modifier in industrial adhesives and sealants.
• Coating & Ink Additive: Imparts improved film formation and flow characteristics in solvent-based coatings and printing inks.
• Specialty Chemical Synthesis: Serves as a building block in the manufacture of dyes, pigments, and other fine chemicals.
• Lubricant & Grease Component: Employed as an additive to enhance the performance characteristics of synthetic lubricants.

Basic Information

Product Name	(1-Ethylhexyl) Hydrogen Phthalate
CAS No.	23276-77-9
Molecular Formula	C₁₆H₂₂O₄
Molecular Weight	278.34 g/mol
Synonyms	2-Ethylhexyl Hydrogen Phthalate; Mono(2-ethylhexyl) Phthalate; 1-Ethylhexyl Phthalate; Phthalic Acid Mono(2-ethylhexyl) Ester; MEHP (Mono-Ethylhexyl Phthalate); 2-Ethylhexyl Phthalate; Octyl Acid Phthalate; Phthalic Acid Mono(2-ethylhexyl Ester)
EINECS	245-546-0

Quality Control

Our (1-Ethylhexyl) Hydrogen Phthalate is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity, identity, and performance. Certificates of Analysis (COA) detailing specific results for assay, impurities, and physical parameters are provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Acidity (as Phthalic Acid)	≤ 1.0%
Water Content (KF)	≤ 0.2%
Specific Gravity (20°C)	1.050 - 1.090
Refractive Index (20°C)	1.485 - 1.495

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