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Product Line: Pharmaceutical Chemicals

Octadecanedioic acid

CAS 871-70-5

Molecular structure of Octadecanedioic acid

CAS · 871-70-5

01

Product Overview

Octadecanedioic acid is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Appearance Off-white to gray solid
Purity (HPLC) 98% min
Identification The HNMR spectrum conforms to structure
Melting Point 122-130 °C
Water 1% max
Residue on Ignition 0.5% max
Loss on Drying 1.0% max
03

Applications

1. Polymer and Resin Industry

● Used as a monomer or co-monomer in the synthesis of polyesters, polyamides, and polyurethanes.

● Provides flexibility and durability to polymers due to its long alkyl chain and terminal carboxyl groups.

● Utilized in the manufacture of biodegradable polymers and specialty plastics.

2. Lubricants and Surfactants

● Octadecanedioic acid丨CAS 871-70-5 acts as a raw material for the production of lubricant additives and surface-active agents.

● Its dicarboxylic nature allows it to function as a corrosion inhibitor and stabilizer in lubricant formulations.

3. Cosmetics and Personal Care

● Incorporated in formulations as an emollient, pH adjuster, or conditioning agent.

● Its fatty acid properties contribute to skin-softening and moisturizing effects.

4. Pharmaceutical and Biomedical Use

● Explored as a building block in drug delivery systems and biocompatible materials.

● Used in synthesis of prodrugs or bioactive polymers for controlled release applications.

5. Chemical Intermediates

Serves as a precursor in organic synthesis for producing specialty chemicals, including plasticizers, adhesives, and coatings.

Its dicarboxylic acid groups allow for crosslinking and derivatization reactions.

04

Benefits

1. Biodegradability

● As a long-chain dicarboxylic acid derived from fatty acid chemistry, it is often biodegradable and environmentally friendly, making it suitable for sustainable materials development.

2. Improved Polymer Properties

● Incorporation of octadecanedioic acid into polymers enhances mechanical strength, flexibility, and thermal stability due to its long aliphatic chain.

3. Versatile Functional Groups

● The two terminal carboxyl groups enable diverse chemical modifications, allowing tailored synthesis for specific industrial applications.

4. Compatibility

● Compatible with various polymerization methods and additives, facilitating broad industrial use in plastics, coatings, and lubricants.

05

Conclusion

Octadecanedioic acid丨CAS 871-70-5 is a valuable long-chain dicarboxylic acid widely used as a monomer, chemical intermediate, and functional additive across industries such as polymer synthesis, lubricants, cosmetics, and pharmaceuticals. Its biodegradable nature and functional versatility make it especially important in the development of eco-friendly materials and specialty chemicals, supporting innovation in sustainable industrial chemistry.

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