OCTADECANEDIOIC ACID Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 871-70-5 |
| Product name | OCTADECANEDIOIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeSpecialty Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for OCTADECANEDIOIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk OCTADECANEDIOIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of OCTADECANEDIOIC ACID
| Industry | Application | Process |
|---|---|---|
| Polymers | Raw material for synthesizing high-performance polyamide and polyester resins | Used as a long-chain dicarboxylic acid in condensation polymerization with diamines or diols |
| Coatings & Inks | Used to manufacture alkyd resins, improving film flexibility and adhesion | Copolymerized with other polycarboxylic acids and polyols via esterification |
| Adhesives | Production of polyamide hot-melt adhesives to enhance bond strength and heat resistance | Polymerized with diamines to produce polyamides for hot-melt adhesive formulations |
| Lubricants | Preparation of synthetic ester-based lubricant base stocks or additives | Esterification to form complex esters, enhancing lubricity and high-temperature stability |
| Plastic Additives | Used as a plasticizer or modifier to improve toughness of plastic products | Blended with other polymers or incorporated as a monomer in polymerization |
Manufacturing Quality Control of OCTADECANEDIOIC ACID
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color and physical state of the sample under natural or standard lighting to determine if it is a white crystalline powder and check for any impurities. |
| Melting Point | Melting Point Determination (Capillary Method) | Determine the melting temperature using a melting point apparatus. The melting point of octadecanedioic acid is typically between 140–144°C, which helps assess purity. |
| Assay | Acid-Base Titration | Titrate the carboxyl groups of the sample with a standardized sodium hydroxide solution. The content of octadecanedioic acid is calculated based on the volume of alkali consumed. Suitable for testing high-purity raw materials. |
| Structural Confirmation | Fourier Transform Infrared Spectroscopy (FT-IR) | Obtain the infrared absorption spectrum of the sample and compare it with reference spectra to confirm the presence of characteristic functional groups (e.g., carboxyl, C=O, C-O). |
| Purity Analysis | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with a UV detector (typically set around 210 nm) to identify and quantify the main component and impurities based on retention time and peak area. |
| Moisture Content | Karl Fischer Titration | Accurately measure moisture content using a Karl Fischer titrator. This method is essential for controlling product dryness and evaluating stability. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After digesting the sample, analyze residual levels of heavy metals such as lead, cadmium, mercury, and arsenic to ensure compliance with pharmacopoeial or food/pharmaceutical grade standards. |
| Chlorides/Sulfates | Turbidimetric Method | According to pharmacopoeia methods, add silver nitrate or barium chloride respectively and observe precipitate formation to perform limit tests for inorganic anionic impurities. |
| Related Substances (Impurities) | Gas Chromatography (GC) or HPLC | GC is suitable for analyzing volatile impurities (requires derivatization); HPLC is more commonly used for separation and detection of non-volatile by-products or degradation products. |
| Residue on Ignition | Ignition Residue Test | Weigh the residue remaining after high-temperature incineration of the sample to estimate total inorganic impurities. Commonly used in quality control of pharmaceutical intermediates or high-purity reagents. |
Technical Specifications of OCTADECANEDIOIC ACID
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | ≥99.0% |
| Water | ≤1.0% |
| Single impurity | ≤0.5% |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of OCTADECANEDIOIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of OCTADECANEDIOIC ACID
Packaging of OCTADECANEDIOIC ACID
Industrial OCTADECANEDIOIC ACID Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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