ETHYL TRANS-4-OXO-2-BUTENOATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2960-66-9 |
| Product name | ETHYL TRANS-4-OXO-2-BUTENOATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeCosmetic GradeFood 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 ETHYL TRANS-4-OXO-2-BUTENOATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk ETHYL TRANS-4-OXO-2-BUTENOATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of ETHYL TRANS-4-OXO-2-BUTENOATE
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Organic synthesis intermediate | Used as an intermediate to construct complex molecular frameworks for synthesizing biologically active compounds |
| Pharmaceuticals | Drug development | Applied in the synthesis of drug molecules containing butenoate ester structures for anti-inflammatory or antitumor agents |
| Pesticides | Agrochemical intermediate | Employed in synthesizing specific-structure insecticides or fungicides, introducing functional groups via esterification or addition reactions |
| Flavor & Fragrance Chemistry | Flavor and fragrance synthesis | Utilized as an unsaturated ester precursor in formulating fruity fragrances for cosmetic and personal care products |
Manufacturing Quality Control of ETHYL TRANS-4-OXO-2-BUTENOATE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a polar capillary column. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of free carboxylic acid groups using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after controlled high-temperature incineration at 700-800 C. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after wet digestion, based on absorption of characteristic atomic spectral lines. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using suppressed conductivity detection after eluent separation. |
| Related Substances | High-Performance Liquid Chromatography (HPLC) with UV detection | Separation and identification of structurally related impurities using reversed-phase C18 column and UV absorbance at 210 nm. |
| Refractive Index | Refractometry | Measurement of light bending angle at air-sample interface at 20 C using calibrated Abbe refractometer. |
| Specific Optical Rotation | Polarimetry | Determination of chiral purity by measuring rotation of plane-polarized light at 20 C using sodium D-line (589 nm). |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement | Assessment of yellowness intensity by matching sample color to APHA platinum-cobalt standard scale. |
| Density at 20 C | Digital Density Meter | Precise measurement of mass per unit volume using oscillating U-tube principle with temperature control. |
| Boiling Point Range | Distillation (Micro Method) | Determination of temperature interval over which the compound distills under reduced pressure (e.g., 10 mmHg). |
Technical Specifications of ETHYL TRANS-4-OXO-2-BUTENOATE
| Test Item | Specification |
|---|---|
| Appearance | Yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.445–1.455 |
| Relative Density (20°C/25°C) | 1.020–1.040 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 ETHYL TRANS-4-OXO-2-BUTENOATE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of ETHYL TRANS-4-OXO-2-BUTENOATE
Packaging of ETHYL TRANS-4-OXO-2-BUTENOATE
Industrial ETHYL TRANS-4-OXO-2-BUTENOATE 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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