Linolenic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 463-40-1 |
| Product name | Linolenic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood GradeCosmetic Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 Linolenic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Linolenic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Linolenic acid
| Industry | Application | Process |
|---|---|---|
| Food | Nutritional supplement | Extracted from flaxseed oil or other vegetable oils and added to food or dietary supplements after purification |
| Pharmaceuticals | Raw material for anti-inflammatory drugs | Prepared as drug intermediates via chemical synthesis or biotransformation |
| Personal care & cosmetics | Skin care ingredient | Refined and stabilized prior to incorporation into skin care formulations |
| Animal feed | Nutritional fortifier | Extracted from vegetable oils and incorporated into feed formulations |
| Biotechnology | Bioactive compound research | Derivatives generated using microbial fermentation or enzymatic reactions |
Manufacturing Quality Control of Linolenic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (alpha-Linolenic Acid Content) | Gas Chromatography (GC) with FID detection | Quantifies ALA by separation on a polar capillary column and flame ionization detection relative to internal standard. |
| Iodine Value | Wijs method (titration) | Measures unsaturation via addition of iodine monochloride to double bonds, followed by back-titration of unreacted iodine. |
| Acid Value | Acid-base titration with KOH in ethanol | Determines free fatty acids by neutralization with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Peroxide Value | Iodometric titration | Quantifies hydroperoxides by reaction with potassium iodide under acidic conditions, followed by titration of liberated iodine with sodium thiosulfate. |
| Refractive Index | Refractometry at 20 C | Measures bending of light through the sample at specified temperature to assess purity and concentration. |
| Color (APHA) | Visual comparison or spectrophotometric measurement at 470 nm | Evaluates yellowness intensity by matching to APHA color standards or measuring absorbance at 470 nm. |
| Moisture Content | Karl Fischer titration | Determines water content via coulometric or volumetric reaction between water and iodine generated from Karl Fischer reagent. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies lead after acid digestion by measuring absorption of characteristic wavelength light by ground-state atoms in flame or graphite furnace. |
| Residual Solvents (e.g., hexane) | Gas Chromatography (GC) with FID or MS detection | Separates and quantifies volatile organic solvents based on retention time and detector response against calibration standards. |
| Trans Isomer Content | Gas Chromatography (GC) with highly polar capillary column | Differentiates cis and trans isomers of fatty acids using low-bleed polar stationary phases and FID detection. |
| Unsaponifiable Matter | Solvent extraction and gravimetry | Isolates non-glyceride components (sterols, hydrocarbons) by ether extraction after alkaline saponification, then drying and weighing. |
| Microbial Contamination (Total Aerobic Count) | Plate count agar culture method | Estimates viable aerobic microorganisms by serial dilution, plating, incubation, and colony enumeration. |
Technical Specifications of Linolenic acid
| Test Item | Specification |
|---|---|
| Appearance | Yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Acid Value (mg KOH/g) | 145.0 - 155.0 mg KOH/g |
| Refractive Index (n20/D) | 1.478 - 1.482 |
| Relative Density (20°C/25°C) | 0.905 - 0.915 g/cm³ |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Odor | Characteristic fatty odor |
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 Linolenic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Linolenic acid
Packaging of Linolenic acid
Industrial Linolenic 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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