Diethyl butylmalonate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 133-08-4 |
| Product name | Diethyl butylmalonate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Diethyl butylmalonate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethyl butylmalonate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethyl butylmalonate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of barbiturates (e.g., phenobarbital) and other pharmaceutical intermediates | Condensation and alkylation reactions via the active methylene group |
| Pharmaceuticals | Synthesis of antiepileptic and sedative drugs | Carbon skeleton construction via ethoxycarbonyl elimination or decarboxylation |
| Agrochemicals | Synthesis of certain agrochemical intermediates | Alkylation reagent or heterocycle construction |
| Organic Synthesis | Preparation of α-alkylated or α-acylated malonic acid derivatives | Alkylation or acylation reactions |
| Organic Synthesis | Synthesis of γ-butyrolactone and cyclic compounds | Dieckmann condensation or hydrolytic decarboxylation |
Manufacturing Quality Control of Diethyl butylmalonate
| Test Item | Common Test Method | Method Summary |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state, and clarity (transparent or not) under natural or standard lighting to check for impurities or turbidity. |
| Content (Purity) | Gas Chromatography (GC) | Use a capillary gas chromatograph with an FID detector; quantify the main component by comparing retention time and peak area with a reference standard. |
| Impurity Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) | Combine the separation capability of GC with the identification power of MS to detect and identify the structures of organic impurities in the sample. |
| Moisture Content | Karl Fischer Titration | Utilize the quantitative reaction of iodine and sulfur dioxide with water in methanol, measuring trace water content by coulometric or volumetric titration. |
| Acid Value | Acid-Base Titration | Dissolve the sample in ethanol and titrate free acids with a standardized sodium hydroxide solution; calculate acid value as mg KOH per gram of sample. |
| Color | Platinum-Cobalt (Pt-Co) Colorimetric Method | Compare the sample visually or using a colorimeter against standard Pt-Co color solutions to determine color intensity and assess product color grade. |
| Density | Pycnometer Method or Digital Density Meter | Measure liquid density using a calibrated pycnometer or digital density meter at a specified temperature (e.g., 20°C). |
| Refractive Index | Refractometry | Determine the refractive index of the sample using an Abbe refractometer at a standard temperature (e.g., 20°C), used for identification and purity assessment. |
| Boiling Point/Distillation Range | Distillation Method | Determine boiling point range under atmospheric or reduced pressure by distillation to evaluate volatility and compositional consistency. |
| Residual Solvents | Gas Chromatography (Headspace Sampling) | Use headspace-GC technique to detect organic solvents (e.g., ethanol, benzene derivatives) that may remain from the manufacturing process. |
Technical Specifications of Diethyl butylmalonate
| Test Item | Specification |
|---|---|
| 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) | 1.425–1.435 |
| Relative Density (20°C/25°C) | 0.995–1.015 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 Diethyl butylmalonate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Diethyl butylmalonate
Packaging of Diethyl butylmalonate
Industrial Diethyl butylmalonate 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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