Sebacic acid is white flake crystal at room temperature, and industrial products are slightly yellow. Slightly soluble in water, insoluble in benzene, petroleum ether, carbon tetrachloride, easily soluble in ethanol and ether.
| ITEM | SPECIFICATION | ANALYSIS RESULTS |
| APPEARANCE | WHITE GRANULE | WHITE GRANULE |
| PURITY(%) | 99.5MIN | 99.57 |
| ASH(% | 0.03MAX | 0.02 |
| MOISTURE(%) | 0.3MAX | 0.2 |
| COLOUR(APHA) | 15MAX | 13 |
| MELTING POINT(℃) | 131-134.5 | 131.4-134.1 |
| CONCLUSION | QUALIFIED | |
Why Choose Aozun Chem’s Sebacic Acid?
- Superior Purity: Exceeds REACH and ISO 9001 certifications, ensuring minimal contaminants for flawless polymerization.
- Cost-Effective Supply: Scalable volumes with competitive pricing and no quality trade-offs.
- Worldwide Delivery: Streamlined shipping to key regions including Asia, Europe, and the Americas, with MOQs from 1 MT.
- Expert Assistance: Dedicated support for custom blends, regulatory compliance, and process optimization.
- Eco-Conscious Practices: Derived from renewable feedstocks, reducing carbon emissions and aligning with circular economy principles.
Select Aozun Chem’s sebacic acid to future-proof your supply chain and boost product innovation.
Frequently Asked Questions (FAQs)
What is sebacic acid, and what makes it unique among dicarboxylic acids?
Sebacic acid is a 10-carbon dicarboxylic acid (HOOC-(CH₂)₈-COOH) valued for its longer chain, which confers greater flexibility and hydrophobicity compared to shorter analogs like adipic acid. This property is crucial for applications requiring elasticity, such as in nylons and lubricants, with annual global production exceeding 100,000 tons.
How is it manufactured?
It is predominantly produced through the alkaline cleavage of ricinoleic acid from castor oil, followed by acidification. This bio-based route is increasingly favored over petroleum-derived methods for its renewability and lower NOx emissions.
What safety precautions should be taken when handling sebacic acid?
It is non-toxic and biodegradable but may cause mild skin or eye irritation upon prolonged contact. Wear PPE, maintain good ventilation, and store in a cool, dry area away from incompatibles like strong bases. It poses low fire risk with a flash point above 220°C.
Can sebacic acid be used in food or cosmetic products?
Yes, in purified forms (≥99.7% purity), it acts as a safe acidity regulator (E355) in foods and a pH corrector in cosmetics, fully compliant with FDA, EU, and COSMOS standards for biodegradability.
What is the typical shelf life and storage recommendation for sebacic acid?
It remains stable for over 2 years when stored sealed in low-humidity environments below 30°C. Prevent moisture exposure to avoid clumping, and use FIFO inventory practices.
Is sebacic acid suitable for sustainable or bio-based applications?
Highly so—its castor oil origin makes it a renewable alternative to fossil-based acids, enabling eco-friendly polyamides and polyesters that reduce plastic waste and support net-zero goals.
How does sebacic acid differ from azelaic or adipic acid in industrial use?
Sebacic acid’s extended chain excels in flexible nylons (e.g., nylon 11 for 3D printing), while azelaic (9-carbon) suits skin care actives, and adipic (6-carbon) targets rigid nylons like 6,6. This versatility positions sebacic acid for niche, high-value markets.
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