Octadecanedioic Acid丨CAS 871-70-5

Octadecanedioic Acid丨CAS 871-70-5
Product Introduction:
Catalog No.: SS128956
CAS No.: 871-70-5
Purity(HPLC): 98% min
Product Name: Octadecanedioic acid
Molecular Formula: C18H34O4
Molecular Weight: 314.46
Synonym(s): 1,18-Octadecanedioic acid
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Technical Parameters
Description

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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

 

Applications of Octadecanedioic acid丨CAS 871-70-5

 

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.

 

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.

 

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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