Diethyl oxalacetate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 108-56-5 |
| Product name | Diethyl oxalacetate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial Grade |
| Packaging | 25L/drum |
| 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 Diethyl oxalacetate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethyl oxalacetate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethyl oxalacetate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Synthesis of vitamin B6, amino acid–based drugs, and sulfonamide drug intermediates | Serves as a C3 synthon in Knoevenagel condensation and related reactions |
| Agrochemical Industry | Production of fungicides (e.g., hymexazol), herbicides, and plant growth regulators | Undergoes condensation or cyclization reactions with amines or heterocyclic compounds |
| Flavor & Fragrance Industry | Synthesis of musk– and fruit–type fragrances | Used to prepare heterocyclic compounds or as a carbonylation reagent |
| Organic Synthesis | Preparation of barbiturates and 4–hydroxycoumarin derivatives | Participates in cyclization reactions with ureas or phenols |
| Materials Chemistry | Raw material for specialty resins, dyes, and plasticizers | Introduces specific functional groups via Michael addition or transesterification |
Manufacturing Quality Control of Diethyl oxalacetate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) | Quantitative determination based on peak area comparison with a certified reference standard under defined chromatographic conditions. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Acidity (as HCl) | Acid-Base Titration | Neutralization of acidic impurities with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Color | Visual Comparison (APHA Scale) | Comparison of sample color against platinum-cobalt standard solutions under controlled lighting and viewing conditions. |
| Density | Digital Density Meter | Measurement of mass per unit volume at specified temperature using oscillating U-tube principle. |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface to infer purity and composition. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue remaining after high-temperature ashing of a weighed sample. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of metal ions by measuring absorption of specific wavelength light by ground-state atoms in flame. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using ion-exchange column and conductivity detection. |
| Residual Ethanol | Gas Chromatography (GC) | Quantitative analysis of ethanol content using headspace or direct injection GC with FID detection. |
| Aldehyde Impurity (e.g., Acetaldehyde) | UV-Vis Spectrophotometry | Derivatization with 2,4-dinitrophenylhydrazine followed by measurement of hydrazone absorbance at ~450 nm. |
| Non-Volatile Matter | Gravimetric Analysis | Evaporation of a known sample volume to dryness and weighing of residual solids at 105 C. |
Technical Specifications of Diethyl oxalacetate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to light yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.428–1.432 |
| Relative Density (20°C/25°C) | 1.075–1.085 g/cm³ |
| Odor | Ester-like, characteristic |
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 Diethyl oxalacetate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Diethyl oxalacetate
Packaging of Diethyl oxalacetate
Industrial Diethyl oxalacetate 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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