China Factory Direct
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| CAS number | 6065-63-0 |
| Product name | Diethyl dipropylmalonate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeReagent 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Synthesis of pharmaceutical intermediates | Prepared via alkylation of diethyl malonate with propyl halides |
| Pesticide Industry | Synthesis of herbicide and insecticide intermediates | Used as a key intermediate in organic synthesis to construct various pesticide molecular frameworks |
| Fine Fragrance Industry | Synthesis of fragrance compounds | Applied in the synthesis of odor-specific organic compounds for use as fragrance additives |
| Pharmaceutical Industry | Production of antihypertensive drugs | Employed as a critical synthetic intermediate, e.g., in the manufacture of calcium channel blockers |
| Chemical Reagents | Laboratory analysis and synthesis | Used in organic synthesis experiments as a reagent or solvent |
| Test Item | Common Testing Method | Method Overview |
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| Appearance | Visual Inspection | Observe the color, transparency, and presence of suspended particles or precipitates; should be a clear to pale yellow transparent liquid. |
| Purity | Gas Chromatography (GC) | Use capillary column for separation, FID detector for quantification, and calculate the purity of the main component using area normalization or external standard method. |
| Moisture | Karl Fischer Titration | Determine trace moisture content by quantitative reaction between iodine and sulfur dioxide in a methanol/pyridine system. |
| Acid Value | Acid-Base Titration | Determine free acid with standard potassium hydroxide ethanol solution using phenolphthalein as indicator, and calculate the acid value (mg KOH/g). |
| Density | Pycnometer Method or Density Meter Method | Determine sample density at 20°C using a density meter or pycnometer, used for auxiliary identification and quality evaluation. |
| Refractive Index | Abbe Refractometer Method | Determine refractive index of the sample at 20°C, used as a physical constant for product consistency control. |
| Boiling Point/Range | Distillation Method | Determine initial boiling point, final boiling point, and main fraction temperature range under atmospheric pressure to assess volatile impurity content. |
| Residual Solvents | Gas Chromatography (Headspace or Direct Injection) | Analyze residual organic solvents (e.g., ethanol, acetone) using GC-FID or GC-MS, complying with ICH Q3C limits. |
| Heavy Metals | Atomic Absorption Spectrometry (AAS) or ICP-MS | Determine total amounts of lead, arsenic, mercury, cadmium, etc., after sample digestion, ensuring compliance with pharmacopoeia or industry safety limits. |
| Related Substances (Impurities) | Gas Chromatography (GC) or High-Performance Liquid Chromatography (HPLC) | Detect and quantify synthetic by-products or degradation products using high-resolution chromatographic conditions, controlling total impurities ≤0.5%. |
| Test Item | Specification |
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| Appearance | Colorless to orange-green clear liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.435–1.445 |
| Relative Density (20°C/25°C) | 0.970–0.990 g/cm³ |
| Odor | Characteristic ester-like odor |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.