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Eighteen-Carbon Dicarboxylic Acid (DC18) is a high-purity long-chain dicarboxylic acid with excellent thermal stability, oxidation resistance, and hydrophobic properties. It is widely used in polymer synthesis, lubricants, coatings, and specialty chemical applications requiring durability and performance.
Product Overview
Eighteen-carbon dicarboxylic acid (DC18), also known as stearic acid, is a high-purity chemical with the molecular formula HOOC(CH2)16COOH and a molecular weight of 314. With a purity greater than 97.0% and a total acid content ranging from 98.0% to 102.0%, DC18 has a melting point range of 123°C–127°C. It is mainly used in the production of long-chain polyamides and pharmaceutical intermediates.
Product Features
- High Purity:Ensures the product’s excellent stability and reliability.
- Moderate Melting Point:Melting point range of 123°C–127°C, suitable for a variety of production processes.
- Versatile Applications:Suitable for multiple industries, offering broad application potential.
Applications
- Long-Chain Polyamides:Used in the production of polyamide resins and related materials.
- Pharmaceutical Intermediates:Serves as a key raw material in the pharmaceutical industry.
| Item | Specification |
| Molecular Formula | HOOC(CH₂)₁₆COOH |
| CAS Number | 871-70-5 |
| EINECS Number | 442-490-2 |
| Molecular Weight | 314 |
| Appearance | White powder |
| Purity | >97.0% |
| Total Acid | 98.0%-102.0% |
| Melting Point | 123°C-127°C |
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