Ricinoleic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 141-22-0 |
| Product name | Ricinoleic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 Ricinoleic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Ricinoleic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Ricinoleic acid
| Industry | Applications | Process |
|---|---|---|
| Personal Care & Cosmetics | Humectant, emulsifier, emollient | Used in the production of soaps, moisturizing creams, and lipsticks; ricinoleic acid esters are synthesized via esterification |
| Coatings & Inks | Drier, resin modifier | Acts as a reactive monomer in polymerization to produce alkyd resins and polyurethanes, enhancing film flexibility and adhesion |
| Plastics | Plasticizer, stabilizer | Ricinoleic acid esters are synthesized via esterification and used as eco-friendly plasticizers for PVC and other polymers |
| Lubricants | Synthetic lubricant base stock | Bio-based lubricants are prepared via esterification or amidation, offering biodegradability |
| Pharmaceuticals | Anti-inflammatory drug carrier, pharmaceutical excipient | Ricinoleic acid derivatives are formulated as solubilizers or controlled-release materials |
| Textiles | Softener, antistatic agent | Integrated as a surfactant component in chemical finishing processes for textiles |
| Metalworking | Corrosion inhibitor, cutting fluid additive | Employed as an organic acid component in metal surface treatment or lubricant formulations |
Manufacturing Quality Control of Ricinoleic acid
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Ricinoleic Acid Content | Gas Chromatography (GC) | After methyl esterification of castor oil, gas chromatography is used to separate fatty acid methyl esters. Quantification of ricinoleic acid methyl ester is performed using internal or external standard methods, offering high accuracy and recommended by pharmacopoeias. |
| Purity of Ricinoleic Acid | High-Performance Liquid Chromatography (HPLC) | A C18 column is used with methanol/water or acetonitrile/water as mobile phase, and a UV detector (205–210 nm) detects ricinoleic acid. Suitable for quantitative analysis of high-purity samples. |
| Free Fatty Acid Content | Acid Value Determination (Titration Method) | Based on the Chinese Pharmacopoeia method, free fatty acids in the sample are titrated with potassium hydroxide ethanol solution, and the acid value (mg KOH/g) is calculated, indirectly reflecting the free state of ricinoleic acid. |
| Moisture Content | Karl Fischer Titration | Trace moisture in castor oil is determined using coulometric or volumetric methods. Ensures the sample is dry to avoid hydrolysis affecting fatty acid stability and detection accuracy. |
| Iodine Value | Wijs Method (Witt Method) | The iodine value is determined by measuring the amount of iodine consumed in an addition reaction with castor oil, reflecting unsaturation. Ricinoleic acid contains one double bond, so the iodine value is typically 80–90, used for identification and purity assessment. |
| Saponification Value | Saponification Titration Method | The sample is saponified with excess potassium hydroxide, and the remaining base is titrated with hydrochloric acid. The saponification value (mg KOH/g) is calculated, used to evaluate total fatty acid content. Typical values for castor oil are 175–185. |
| Impurity Fatty Acid Screening | Gas Chromatography-Mass Spectrometry (GC-MS) | Methylated samples are separated by GC, and impurity fatty acids (e.g., oleic acid, linoleic acid) are identified and quantified using a mass spectrometer detector. Ensures purity of ricinoleic acid ≥ 90%. |
| Peroxide Value | Iodometric Method | Determines the content of primary oxidation products (peroxides) in castor oil, assessing the degree of oil oxidation to prevent rancidity during storage that could affect quality. |
| Refractive Index | Refractometer Method | The refractive index of castor oil is measured at 20°C or 25°C (typically 1.478–1.482), serving as a physical constant to assist in identifying authenticity and purity. |
| Melting Point / Freezing Point | Melting Point Apparatus or Automatic Pour Point Tester | The melting point of pure ricinoleic acid is approximately 20–22°C. Measuring its freezing behavior can help determine whether it contains low-melting-point impurities or mixed oils. |
Technical Specifications of Ricinoleic acid
| Test Item | Specification |
|---|---|
| Appearance | Light yellow to orange, clear to slightly cloudy liquid |
| Purity | >=98.0% (GC) |
| Acid Value (mg KOH/g) | 175–185 |
| Refractive Index (n20/D) | 1.476–1.482 |
| Relative Density (20°C/25°C) | 0.952–0.962 g/cm³ |
| Water Content (KF) | <=0.5% |
| Color (APHA/Pt-Co) | <=150 |
| 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 Ricinoleic acid
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NMR Spectra of Ricinoleic acid
Packaging of Ricinoleic acid
Industrial Ricinoleic 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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