gamma-Linolenic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 506-26-3 |
| Product name | gamma-Linolenic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood GradeCosmetic Grade |
| Packaging | 25L/drum |
| 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 gamma-Linolenic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk gamma-Linolenic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of gamma-Linolenic acid
| Industry | Application | Process |
|---|---|---|
| Nutritional Supplements | As a dietary supplement to modulate inflammatory response, improve skin health, and support cardiovascular function | Isolated and purified from evening primrose oil, borage oil, or black currant oil via solvent extraction, molecular distillation, or supercritical fluid extraction |
| Pharmaceuticals | For the treatment of inflammation-related conditions including atopic dermatitis, rheumatoid arthritis, and diabetic neuropathy | High-purity γ-linolenic acid obtained via esterification, chromatographic separation, or enzymatic purification for formulation development |
| Cosmetics | As a skin-conditioning agent to enhance skin barrier function, provide moisturization, and support anti-aging | Incorporated as an oil phase into creams and serums, stabilized via low-temperature emulsification |
| Food Industry | As a functional food additive to enhance nutritional value | Incorporated as plant oil into products such as infant formula and nutrition bars, with microencapsulation applied to improve stability |
Manufacturing Quality Control of gamma-Linolenic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (GLA Content) | Gas Chromatography (GC-FID) | Quantifies gamma-linolenic acid by separation on a polar capillary column and flame ionization detection relative to internal/external standards. |
| Acid Value | Acid-Base Titration | Measures free fatty acids by titration with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Peroxide Value | Iodometric Titration | Determines primary oxidation products by reaction of peroxides with potassium iodide, followed by titration of liberated iodine with sodium thiosulfate. |
| p-Anisidine Value | UV-Vis Spectrophotometry | Measures secondary oxidation products (aldehydes) by reaction with p-anisidine reagent and absorbance measurement at 350 nm. |
| Iodine Value | Wijs Method (Titration) | Quantifies unsaturation via addition of excess iodine monochloride to double bonds, followed by titration of unreacted iodine with sodium thiosulfate. |
| Moisture Content | Karl Fischer Titration | Determines water content by coulometric or volumetric titration using iodine generated in situ from Karl Fischer reagent. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Simultaneously quantifies trace heavy metals after acid digestion by measuring elemental ion signals in an inductively coupled plasma mass spectrometer. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Detects and quantifies volatile organic solvents (e.g., hexane, ethanol) by thermal desorption from sample headspace followed by GC separation. |
| Total Plate Count | Standard Plate Count (SPC) Method | Estimates viable aerobic microorganisms by pour plating on nutrient agar and counting colonies after incubation at 30-35 C for 48-72 h. |
| Yeast and Mold Count | Dichloran Rose Bengal Chloramphenicol (DRBC) Agar | Enumerates yeasts and molds by selective plating on DRBC agar and colony counting after incubation at 20-25 C for 3-5 days. |
| Trans Isomer Content | Gas Chromatography (GC-FID) | Quantifies trans-fatty acid isomers using highly polar capillary columns capable of geometric isomer separation. |
| Refractive Index | Refractometry | Measures bending of light through the sample at 20 C using a calibrated digital refractometer to assess purity and consistency. |
Technical Specifications of gamma-Linolenic acid
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Acid Value (mg KOH/g) | 180-200 |
| Refractive Index (n20/D) | 1.478-1.482 |
| Relative Density (20°C/25°C) | 0.905-0.915 g/cm³ |
| Odor | Characteristic fatty odor |
| Total Impurities | <=1.5% |
| 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 gamma-Linolenic acid
| CAS/Product ID | *Required fields | |
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NMR Spectra of gamma-Linolenic acid
Packaging of gamma-Linolenic acid
Industrial gamma-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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