Suberic acid
Suberic Acid: High-Quality Chemical Solution for Industrial Applications
Suberic acid, also known as octanedioic acid, is a dicarboxylic acid with the formula C8H14O4. This white crystalline powder serves as a key intermediate in various industrial processes, particularly in polymer production and pharmaceuticals. Our premium-grade Suberic acid meets the highest industry standards.
Product Specifications
- Chemical Name: Suberic Acid (Octanedioic Acid)
- Molecular Formula: C8H14O4
- CAS Number: 505-48-6
- Appearance: White crystalline powder
- Purity: ≥99.5%
- Melting Point: 140-144°C
- Boiling Point: 279°C (at 100 mmHg)
- Solubility: Soluble in alcohol and ether; slightly soluble in water
| Parameter | Specification | Test Method |
|---|---|---|
| Assay (GC) | ≥99.5% | ASTM E298 |
| Water Content | ≤0.5% | Karl Fischer |
| Residue on Ignition | ≤0.1% | USP |
| Heavy Metals (as Pb) | ≤10 ppm | USP |
| Iron (Fe) | ≤5 ppm | USP |
Applications of Suberic Acid
Suberic acid finds applications across multiple industries due to its unique chemical properties:
- Polymer Industry: Used as a monomer for producing nylon and other polyamides
- Pharmaceuticals: Intermediate for drug synthesis and formulation
- Cosmetics: pH adjuster and buffering agent in personal care products
- Food Industry: Acidulant and flavoring agent (where approved)
- Chemical Synthesis: Building block for various organic compounds
Frequently Asked Questions About Suberic Acid
Q: What is the shelf life of Suberic acid?
A: When stored properly in its original packaging at room temperature (15-30°C) in a dry environment away from direct sunlight, Suberic acid maintains its quality for at least 3 years from the production date. We recommend using it within this period for optimal performance in your applications.
Q: Is Suberic acid hazardous to handle?
A: Suberic acid is generally considered low in toxicity, but we recommend standard safety precautions when handling any chemical product. Use appropriate personal protective equipment (gloves, safety goggles) to avoid skin and eye contact. While not classified as hazardous under normal handling conditions, avoid creating dust and ensure adequate ventilation in working areas.
Q: Can Suberic acid be used in food applications?
A: While Suberic acid occurs naturally in some foods, its regulatory status varies by country. In certain jurisdictions, it's approved as a food additive (E number E355 in the EU). Always verify compliance with local food regulations before using Suberic acid in food applications. Our pharmaceutical-grade product meets strict purity requirements but certification for food use may require additional documentation.
Packaging Options
We offer Suberic acid in various packaging configurations to meet your operational needs:
| Package Type | Quantity | Material |
|---|---|---|
| Glass Bottle | 100g, 500g | Amber glass with PE liner |
| Plastic Bottle | 1kg, 5kg | HDPE with secure cap |
| Fiber Drum | 25kg | Multi-wall with inner PE bag |
| Custom Bulk | 500kg+ | Customizable based on requirements |
Storage and Handling Recommendations
To maintain the quality of your Suberic acid:
- Store in a cool, dry place away from direct sunlight
- Keep containers tightly closed when not in use
- Store away from strong oxidizing agents and bases
- Maintain storage temperature between 15-30°C
- Ensure proper ventilation in storage areas
Additional Technical Information
For researchers and industrial users requiring detailed technical data about Suberic acid:
- Density: 1.272 g/cm³ at 20°C
- Refractive Index: 1.428 (20°C)
- Flash Point: 185°C (closed cup)
- Autoignition Temperature: 395°C
- Vapor Pressure: 0.001 mmHg at 25°C
More Questions About Suberic Acid?
Q: What's the difference between Suberic acid and other dicarboxylic acids?
A: Suberic acid (octanedioic acid) differs from shorter-chain dicarboxylic acids like adipic acid (C6) or longer ones like sebacic acid (C10) in its carbon chain length. This affects properties like melting point, solubility, and reactivity. Suberic acid offers a balance between hydrophobicity and reactivity that makes it particularly useful in certain polymer applications where controlled crystallization is important.
Q: Can Suberic acid be used to produce biodegradable polymers?
A: Yes, Suberic acid can be polymerized with diols or diamines to create biodegradable polyesters or polyamides. Its aliphatic structure allows for enzymatic degradation under appropriate conditions. Research indicates that polyamides made with Suberic acid show promising biodegradation characteristics while maintaining good mechanical properties.
Q: How is Suberic acid typically synthesized?
A: Commercial production of Suberic acid commonly involves the oxidation of cyclooctene or via ozonolysis of cyclooctadiene. Alternative routes include fermentation processes using specific microorganisms that can convert renewable feedstocks into dicarboxylic acids. Our production methods prioritize yield efficiency and environmental considerations while maintaining high purity standards.
Quality Assurance
Every batch of our Suberic acid undergoes rigorous quality control:
- GC analysis for purity verification
- FTIR spectroscopy for structural confirmation
- Melting point determination
- Residual solvent testing
- Microbiological testing (for pharmaceutical grades)
- Certificate of Analysis with every shipment
Ordering Information
To order Suberic acid or request a customized quote:
- Specify required quantity and packaging
- Indicate any special grade requirements
- Provide shipping and handling instructions
- Request safety data sheet if needed
- Ask about volume discounts for large orders