China Factory Direct
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| CAS number | 111-81-9 |
| Product name | METHYL 10-UNDECENOATE |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Fine Fragrances & Flavors | Used as a fragrance ingredient in perfume formulations to impart fruity, floral, and green notes; commonly employed in household and personal care fragrances | Directly incorporated as a fragrance component into perfume formulations and blended by perfumers for final products |
| Organic Synthesis | Used as an intermediate for synthesizing C11-chain derivatives, such as undecanedioic acid and undecalactone | Structurally modified via hydrolysis, oxidation, reduction, or cyclization reactions |
| Pharmaceutical Intermediates | Used as a precursor in the synthesis of antimicrobial agents, antifungal agents, and certain prostaglandin analogs | Converted into target active molecules through multi-step chemical transformations, including hydrogenation, halogenation, and coupling reactions |
| Polymers & Materials | Employed as a comonomer in acrylic polymer synthesis to enhance flexibility and hydrophobicity | Copolymerized with acrylate monomers under free-radical initiation to produce modified resins |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 10-undecenoic acid methyl ester by separation and flame ionization detection relative to internal/external standard. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration based on iodine-sulfur dioxide redox reaction. |
| Acid Value | Acid-Base Titration with NaOH | Determines free acid content by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Ester Content | Gas Chromatography (GC) with internal standard | Quantifies ester fraction by GC peak area ratio against a stable internal standard (e.g., methyl caprate). |
| Unsaturation (Iodine Value) | Wijs Method | Measures double bond content via addition of iodine monochloride to C=C bonds, followed by back-titration of unreacted iodine. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Evaluates yellowness by matching sample color to APHA platinum-cobalt scale or measuring absorbance at 430 nm. |
| Refractive Index | Refractometry | Determines refractive index at 20 degrees C using a calibrated Abbe refractometer as a purity and compositional indicator. |
| Density | Pycnometry or Digital Density Meter | Measures mass per unit volume at 20 degrees C to verify consistency with specification and detect impurities. |
| Residue on Ignition | Gravimetric Analysis | Quantifies non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) | Detects trace metal contaminants (e.g., Pb, Cd, As) by atomization and measurement of element-specific light absorption. |
| Peroxide Value | Iodometric Titration | Measures hydroperoxides formed from oxidation by liberating iodine from potassium iodide, followed by sodium thiosulfate titration. |
| Residual Methanol | Gas Chromatography (GC) with FID | Quantifies residual methanol by headspace or direct injection GC analysis using external calibration. |
| Test Item | Specification |
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| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.440–1.445 |
| Relative Density (20°C/25°C) | 0.875–0.885 g/cm³ |
| Acid Value (mg KOH/g) | <=0.5 |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.