Hexadecanedioic acid 1-methyl ester Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 18451-85-9 |
| Product name | Hexadecanedioic acid 1-methyl ester |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeCosmetic GradeFood Grade |
| Packaging | 25KG/bag |
| 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 Hexadecanedioic acid 1-methyl ester
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Hexadecanedioic acid 1-methyl ester Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Hexadecanedioic acid 1-methyl ester
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Used as an organic synthesis intermediate for producing polymers or functionalized ester compounds | Transesterification, condensation polymerization, or functional group transformation |
| Polymer Industry | Employed as a comonomer to enhance flexibility and thermal stability of polyesters or polyamides | Co-polymerization (e.g., condensation with diols or diamines) |
| Surfactants | Used to synthesize nonionic surfactants with tailored hydrophilic-lipophilic balance (HLB) | Addition reactions with ethylene oxide or polyols |
| Pharmaceutical R&D | Serves as a degradable linker in drug delivery systems or prodrug design | Ester bond formation and controlled hydrolysis |
| Personal Care Ingredients | Applied in the production of mild emollient esters to improve skin permeability and moisturization | Esterification or emulsification compounding |
Manufacturing Quality Control of Hexadecanedioic acid 1-methyl ester
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 205 nm. |
| Acid Value | Acid-Base Titration | Neutralization of free carboxylic acid groups with standardized KOH solution using phenolphthalein indicator or potentiometric endpoint detection. |
| Ester Content | GC-FID | Determination of methyl ester moiety via gas chromatographic separation and flame ionization detection, relative to internal standard. |
| Residual Methanol | GC-FID | Headspace or direct injection GC analysis with FID detection, quantified against methanol calibration curve. |
| Water Content | Karl Fischer Titration | Electrochemical titration using iodine generated in situ to react stoichiometrically with water in anhydrous methanol-based solvent. |
| Color (APHA) | Visual Spectrophotometry | Comparison of sample solution color intensity against APHA platinum-cobalt standard solutions using spectrophotometer at 430 nm. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion by measuring atomic emission intensities at characteristic wavelengths in inductively coupled plasma. |
| Sulfated Ash | Gravimetric Analysis | Incineration of sample at 750 C to oxidize organic matter, followed by sulfuric acid treatment and final ash weight measurement. |
| Chloride Impurity | Ion Chromatography | Separation of chloride anions on anion-exchange column with suppressed conductivity detection, quantified against NaCl standard. |
| Residual Catalyst (e.g., H2SO4) | Acid-Base Titration | Titration of strong acid residue with standardized NaOH solution using potentiometric endpoint detection. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as solid-to-liquid phase change using calibrated capillary apparatus per USP <741>. |
| Organic Volatile Impurities | GC-MS | Identification and quantification of volatile impurities by gas chromatography coupled with mass spectrometric detection and library matching. |
Technical Specifications of Hexadecanedioic acid 1-methyl ester
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (GC) |
| Melting Point | 124–128°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Acid Value (mg KOH/g) | <=5.0 mg KOH/g |
| Residue on Ignition | <=0.1% |
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 Hexadecanedioic acid 1-methyl ester
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Hexadecanedioic acid 1-methyl ester
Safety Information of Hexadecanedioic acid 1-methyl ester
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Hexadecanedioic acid 1-methyl ester
Industrial Hexadecanedioic acid 1-methyl ester 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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