Diethyl benzylmalonate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 607-81-8 |
| Product name | Diethyl benzylmalonate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty 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 benzylmalonate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethyl benzylmalonate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethyl benzylmalonate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Key intermediate in the synthesis of the antihypertensive drug telmisartan | Cyclized after condensation with p-toluidine, followed by hydrolysis and decarboxylation to produce telmisartan |
| Agrochemical Intermediates | Structural building block for synthesizing novel insecticides and plant growth regulators | Acts as a benzyl-substituted active methylene component in Knoevenagel condensations or alkylation reactions to construct heterocyclic frameworks |
| Organic Synthesis | Multifunctional reagent for carbon-chain extension, used to build complex molecules containing benzyl and diester motifs | Generates a carbanion under basic conditions (e.g., NaH, LDA) and undergoes nucleophilic addition or substitution with aldehydes, ketones, or alkyl halides |
Manufacturing Quality Control of Diethyl benzylmalonate
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe sample color and physical state (should be a colorless to pale yellow transparent liquid), assessing clarity, presence of suspended particles, or precipitates. |
| Content Determination | Gas Chromatography (GC) | Utilizes capillary column separation with FID detection; quantifies main component content via internal standard or external standard method, evaluating purity. |
| Impurity Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) | Separates and identifies organic impurities, such as unreacted starting materials (benzyl chloride, diethyl malonate), by-products, or degradation products. |
| Moisture Content | Karl Fischer Titration | Employs the quantitative reaction between iodine and sulfur dioxide in pyridine/methanol system with water, enabling precise measurement of trace moisture to ensure product stability. |
| Acid Value | Acid-Base Titration | Uses phenolphthalein as indicator, titrating free acids with standardized sodium hydroxide solution to assess completeness of esterification or occurrence of hydrolysis side reactions. |
| Density | Density Meter Method or Specific Gravity Bottle Method | Measures density at 20°C or 25°C as a physical constant for identification and batch-to-batch consistency control. |
| Refractive Index | Determination by Abbe Refractometer | Measures refractive index at a specific temperature, used for rapid authentication and monitoring process stability during synthesis. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Detects residual organic solvents (e.g., ethanol, toluene) from production processes, complying with ICH Q3C guidelines. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Determines levels of harmful metal elements such as lead, cadmium, mercury, and arsenic, ensuring compliance with pharmaceutical or high-purity chemical safety standards. |
| Melting Point/Boiling Point (if applicable) | Capillary Melting Point Apparatus / Distillation Method | Determines boiling range (literature value approximately 150–160°C at 1 mmHg), used to assist in compound identification and purity assessment. |
Technical Specifications of Diethyl benzylmalonate
| 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) | 1.495–1.505 |
| Relative Density (20°C/25°C) | 1.075–1.085 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 benzylmalonate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Diethyl benzylmalonate
Packaging of Diethyl benzylmalonate
Industrial Diethyl benzylmalonate 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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