Description

(+/-)-Mono-2-Octyl Phthalate CAS NO 21395-09-5 is a key organic intermediate and plasticizer component, specifically a monoester derivative of phthalic acid and 2-ethylhexanol. This compound is valued for its role as a precursor in the synthesis of more complex esters and as a functional additive in polymer systems. It is primarily utilized by manufacturers in the plastics, coatings, and specialty chemical industries seeking to modify material properties such as flexibility and processability.

Application

• Plasticizer Intermediate: A crucial building block for the production of symmetrical dialkyl phthalate plasticizers like Dioctyl Phthalate (DOP).
• Polymer Additive: Used as a co-monomer or functional additive in specialty polymer formulations to impart specific characteristics.
• Chemical Synthesis: Serves as a versatile intermediate in organic synthesis for pharmaceuticals, agrochemicals, and fine chemicals.
• Adhesive & Sealant Formulations: Incorporated to enhance flexibility and adhesion properties in various industrial adhesive systems.
• Coating & Ink Modifier: Acts as a modifier in resin systems for coatings and printing inks to improve film formation and durability.
• Research & Development: Employed in R&D laboratories for studying esterification processes and polymer science.

Basic Information

Product Name	(+/-)-Mono-2-Octyl Phthalate
CAS No.	21395-09-5
Molecular Formula	C₁₆H₂₂O₄
Molecular Weight	278.34 g/mol
Synonyms	Mono(2-ethylhexyl) phthalate; MEHP; 2-Ethylhexyl hydrogen phthalate; Phthalic acid mono(2-ethylhexyl) ester; 1,2-Benzenedicarboxylic acid, mono(2-ethylhexyl) ester; Mono(2-ethylhexyl) 1,2-benzenedicarboxylate; 2-Ethylhexyl monophthalate
EINECS	244-350-4

Quality Control

Our production of (+/-)-Mono-2-Octyl Phthalate adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and support your quality assurance processes.

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 strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Acid Value	Contact for details
Related Substances (HPLC)	Contact for details

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