Description

Chlorendic Acid CAS NO 115-28-6 is a halogenated, polycarboxylic acid derivative known for its high thermal stability and flame-retardant properties. This compound is a critical intermediate for synthesizing advanced polymers and specialty chemicals that require enhanced durability and fire resistance. It is essential for manufacturers in the plastics, coatings, and flame-retardant additive industries seeking to improve product safety and performance under demanding conditions.

Application

• Flame Retardant Production: A key raw material for manufacturing highly effective halogenated flame retardants used in plastics, textiles, and construction materials.
• Polyester Resins: Used as a reactive intermediate to produce thermally stable and flame-retardant unsaturated polyester resins for composites and laminates.
• Epoxy Curing Agents: Serves as a hardener or curing agent component for epoxy systems, imparting improved heat and chemical resistance.
• Polyamide Synthesis: Employed in the production of specialty nylons and polyamides with enhanced flame-retardant characteristics.
• Plasticizers: Used to create specialty plasticizers that provide both flexibility and flame retardancy to polymer formulations.
• Corrosion Inhibitors: Acts as an intermediate for synthesizing corrosion inhibitors used in industrial lubricants and coatings.
• Research & Development: A valuable building block in R&D for developing new high-performance polymers and additives.

Basic Information

Product Name	Chlorendic Acid
CAS No.	115-28-6
Molecular Formula	C9H4Cl6O4
Molecular Weight	388.85 g/mol
Synonyms	1,4,5,6,7,7-Hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic Acid; HET Acid; Hexachloroendomethylene Tetrahydrophthalic Acid; Chlorendic Anhydride (Acid Form); 1,4,5,6,7,7-Hexachloro-5-norbornene-2,3-dicarboxylic Acid; HET Acid Anhydride (Acid Form); Hexachlorocyclopentadiene-bis-carboxylic Acid
EINECS	204-077-3

Quality Control

Our Chlorendic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters are provided to guarantee consistency and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 15-25°C. The product is a strong acid/organic solvent; handle with appropriate personal protective equipment and ensure containers are kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	208°C - 215°C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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