3289-28-9 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3289-28-9 |
| Product name | 3289-28-9 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial GradeCosmetic GradeFood 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 3289-28-9
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3289-28-9 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3289-28-9
| Industry | Application | Process |
|---|---|---|
| Chemical Industry | Organic synthesis intermediate | Prepared via esterification of cyclohexanone with ethanol under acidic conditions |
| Pharmaceutical Industry | Pharmaceutical synthesis intermediate | Used in the synthesis of certain antibiotics and active pharmaceutical ingredients |
| Fragrance Industry | Fragrance additive | Incorporated into fragrance formulations to impart specific olfactory characteristics |
| Coatings Industry | Coating solvent | Used as a solvent or diluent in coatings and paints |
Manufacturing Quality Control of 3289-28-9
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID | Quantitative separation and detection based on volatility and retention time using flame ionization detection. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration measuring water via iodine-sulfur dioxide reaction in pyridine-methanol medium. |
| Acid Value | Acid-Base Titration | Neutralization of free carboxylic acid groups with standardized KOH solution using phenolphthalein indicator. |
| Ester Content | Hydroxylamine Hydrochloride Titration | Nucleophilic acyl substitution followed by back-titration of unreacted hydroxylamine with HCl. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C to volatilize organic matter, then weighing inorganic residue. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Measurement of yellowness intensity by comparing sample color to platinum-cobalt standard solutions. |
| Density at 20 C | Pycnometry or Digital Density Meter | Mass-to-volume ratio determination using calibrated glass pycnometer or oscillating U-tube principle. |
| Refractive Index at 20 C | Refractometry | Measurement of light bending angle at air-sample interface using Abbe refractometer or digital equivalent. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of metal ions by absorption of characteristic wavelength light after acid digestion. |
| Residual Solvents | Gas Chromatography (GC) with Headspace | Volatile solvent separation and detection using headspace sampling and FID or MS detection. |
| Peroxide Value | Iodometric Titration | Oxidation of iodide to iodine by peroxides, followed by titration with standardized sodium thiosulfate. |
| Non-Volatile Residue | Evaporation and Gravimetry | Solvent evaporation under controlled conditions followed by weighing of residual non-volatile material. |
Technical Specifications of 3289-28-9
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.5% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.435–1.445 |
| Relative Density (20°C/25°C) | 0.975–0.985 g/cm³ |
| Odor | Characteristic ester-like 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 3289-28-9
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3289-28-9
Packaging of 3289-28-9
Industrial 3289-28-9 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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