TRIOLEIN Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 122-32-7 |
| Product name | TRIOLEIN |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 TRIOLEIN
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk TRIOLEIN Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of TRIOLEIN
| Industry | Applications | Process |
|---|---|---|
| Cosmetics & Personal Care | Emollient, skin-conditioning agent, solvent | Incorporated as an oily component into formulations for moisturizing creams, lotions, cleansing oils, and sunscreens to enhance skin feel and softness through its lubricity and skin penetration properties. |
| Pharmaceutical Industry | Pharmaceutical excipient, ointment base, transdermal absorption enhancer | Used as a base component in semisolid dosage forms (e.g., ointments, suppositories) or as a solvent and carrier for poorly soluble drugs; also employed in liposome preparation and as an emulsifier. |
| Food Industry | Food emulsifier, stabilizer, lubricant, release agent | Produced via transesterification with fatty acids (e.g., oleic acid) to yield mono- and diglycerides for use as food additives; alternatively applied directly as a lubricant and release agent in food processing equipment. |
| Chemical & Materials Industry | Organic synthesis intermediate, surfactant raw material | Hydrolyzed to produce oleic acid and glycerol; sulfonated to manufacture sulfonated oils (e.g., Turkey Red Oil) for textile auxiliaries or lubricants; used as a feedstock in transesterification reactions for biodiesel production. |
| Textile & Leather Industry | Fiber lubricant, fatliquor, softener | Applied during spinning or weaving to lubricate fibers and reduce friction; used in leather processing as a fatliquor to impart softness and fullness to leather. |
| Coatings & Inks | Pigment dispersant, film-forming aid | Serves as a carrier or modifier in paint and printing ink formulations to improve pigment dispersion and leveling, enhancing coating gloss. |
| Laboratory & Analytical | Stationary phase, gas chromatography stationary liquid | Used as a non-polar stationary liquid in gas chromatography for the separation of hydrocarbons, fatty acid methyl esters, and other non-polar or weakly polar compounds. |
Manufacturing Quality Control of TRIOLEIN
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance and Color | Visual Inspection | Observe the sample under natural light or standard light source to check if it is a clear, colorless to pale yellow oily liquid with no suspended particles or precipitates. |
| Melting Point | Capillary Melting Point Method | Load the sample into a capillary tube and heat it at a standard rate; record the temperature when it is completely melted. The melting point of triolein is approximately 5–10℃. |
| Acid Value (Acid Value) | GB/T 5530-2005 or AOAC 996.11 | Determine free fatty acids by titration with potassium hydroxide ethanol solution, using phenolphthalein as an indicator. Calculate the amount of KOH in mg per gram of sample, which should be ≤ 0.5 mg KOH/g. |
| Saponification Value (Saponification Value) | GB/T 5534-2008 or AOAC 920.160 | Saponify the sample with excess potassium hydroxide and back-titrate the remaining alkali with hydrochloric acid. Calculate the amount of KOH consumed per gram of sample. The theoretical value for triolein is approximately 190–195 mg KOH/g. |
| Iodine Value (Iodine Value) | Wijs Method (GB/T 5532-2008) | React the sample with Wijs reagent containing iodine monochloride. Titrate the unreacted iodine with sodium thiosulfate and calculate the amount of iodine absorbed by unsaturated bonds. The iodine value of triolein is approximately 85–90 g I₂/100g. |
| Peroxide Value (Peroxide Value) | GB/T 5538-2005 or AOAC 965.33 | Determine peroxides by reacting them with potassium iodide to liberate iodine, then titrate with sodium thiosulfate. Results are expressed as meq O₂/kg. Control should be ≤5 meq/kg to assess oxidation level. |
| Moisture Content | Karl Fischer Titration | Determine trace moisture using an iodine-sulfur dioxide-pyridine-methanol system. Suitable for precise determination of moisture content in oils ranging from 0.01% to 0.1%. |
| Fatty Acid Composition | Gas Chromatography (GC-FID) | After methylation (e.g., BF₃/methanol), separate fatty acid methyl esters using a capillary column and quantify with an FID detector. Confirm that oleic acid (C18:1) content is ≥95%, with no other fatty acid impurities. |
| Impurities and Non-Saponifiable Matter | GB/T 5535.1-2008 | Saponify with potassium hydroxide and extract non-saponifiable matter (such as sterols and waxes) with ether. Weigh and calculate the content, which should be ≤0.5%. |
| Purity (HPLC Method) | Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) | Use a C18 column with acetonitrile/water or isopropanol/water as the mobile phase. Detect the main peak area of triolein; purity should be ≥98%. |
| Residual Solvents | Gas Chromatography-Head Space Method (GC-Headspace) | Detect residual solvents such as ethanol and n-hexane used in production processes. Comply with ICH Q3C standards, e.g., hexane ≤50 ppm. |
| Microbial Limit | Chinese Pharmacopoeia General Rules 1105 / 1106 | Determine aerobic bacterial count, mold and yeast count, Escherichia coli, etc. Applicable for pharmaceutical-grade triolein, complying with requirements for non-sterile preparations. |
Technical Specifications of TRIOLEIN
| Test Item | Specification |
|---|---|
| Appearance | Yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Acid Value (mg KOH/g) | <=1.0 |
| Refractive Index (n20/D) | 1.462–1.468 |
| Relative Density (20°C/25°C) | 0.885–0.895 g/cm³ |
| Total Impurities | <=2.0% |
| 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 TRIOLEIN
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NMR Spectra of TRIOLEIN
Packaging of TRIOLEIN
Industrial TRIOLEIN 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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