Description

2,2-Dimethyl-1,3-Propanediyl Disalicylate is a diester compound formed from neopentyl glycol and salicylic acid, serving as a versatile chemical intermediate. This compound matters for its role in synthesizing specialized polymers, UV absorbers, and other high-value additives where its unique sterically hindered structure imparts stability and performance. It is needed by manufacturers in the polymer, personal care, and specialty chemical industries seeking to develop advanced materials with enhanced properties.

Application

• As a key monomer or chain extender in the synthesis of specialty polyesters and polyurethanes.
• As a precursor or intermediate for manufacturing ultraviolet (UV) light absorbers and stabilizers.
• In the formulation of advanced polymer additives to improve material durability and weatherability.
• As a building block in organic synthesis for pharmaceuticals and agrochemicals.
• Potential use in personal care product formulations, such as sunscreens, due to its salicylate-derived structure.
• In research and development for creating novel polymeric materials with specific functional properties.

Basic Information

Product Name	2,2-Dimethyl-1,3-Propanediyl Disalicylate
CAS No.	69938-81-4
Molecular Formula	C19H20O6
Molecular Weight	344.36 g/mol
Synonyms	Neopentyl Glycol Disalicylate; 2,2-Dimethylpropane-1,3-diyl bis(2-hydroxybenzoate); 1,3-Propanediol, 2,2-dimethyl-, bis(2-hydroxybenzoate); Disalicylate of Neopentyl Glycol; Bis(2-hydroxyphenyl) 2,2-dimethyl-1,3-propanedioate; NPG Disalicylate; Salicylic Acid, Neopentyl Glycol Ester
EINECS	Contact for details

Quality Control

Our 2,2-Dimethyl-1,3-Propanediyl Disalicylate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) documenting these results is available upon request to support your quality assurance and regulatory needs.

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 heat sources and incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque packaging or a dark storage facility.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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