Diethyl bis(hydroxymethyl)malonate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 20605-01-0 |
| Product name | Diethyl bis(hydroxymethyl)malonate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeMaterial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| 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 bis(hydroxymethyl)malonate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethyl bis(hydroxymethyl)malonate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethyl bis(hydroxymethyl)malonate
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Organic synthesis intermediate | Used to prepare crosslinkers and resin modifiers; participates in condensation or addition reactions |
| Coatings Industry | Raw material for modified resins | Applied as a crosslinking monomer in the synthesis of film-forming substances for waterborne and powder coatings |
| Textile Industry | Component of fiber treatment agents | Used in the synthesis of durable press finishing agents to enhance fabric wrinkle resistance |
| Plastics Industry | Polymer modifier | Participates in copolymerization to introduce hydroxymethyl functional groups, improving material hydrophilicity and reactivity |
Manufacturing Quality Control of Diethyl bis(hydroxymethyl)malonate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | GC-FID | Quantification by gas chromatography with flame ionization detection using external standard calibration. |
| Water Content | Karl Fischer Titration | Coulometric or volumetric titration based on iodine reaction with water in anhydrous methanol/pyridine medium. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Measurement of yellowish tint by comparison to APHA platinum-cobalt standards or absorbance at 430 nm. |
| Density | Pycnometry or Digital Density Meter | Determination of mass per unit volume at specified temperature (e.g., 20 degC) using calibrated glass pycnometer or oscillating U-tube principle. |
| Refractive Index | Refractometry | Measurement of light bending angle at air-sample interface using Abbe refractometer at controlled temperature. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue after high-temperature ashing (500-600 degC) of sample in platinum crucible. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals via plasma excitation and optical emission spectroscopy. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode and reference electrode to detect endpoint. |
| Volatile Impurities | GC-MS | Separation and identification of low-boiling contaminants by gas chromatography coupled with mass spectrometry. |
| Free Methanol | GC-FID | Quantitative determination of residual methanol using headspace-GC with internal standard (e.g., ethanol). |
| Crystallinity / Solid State Form | XRD | Identification of crystalline phases by diffraction pattern analysis of monochromatic X-ray scattering. |
Technical Specifications of Diethyl bis(hydroxymethyl)malonate
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 78-82°C |
| Identification (NMR) | Conforms to reference spectrum |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic mild 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 bis(hydroxymethyl)malonate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Diethyl bis(hydroxymethyl)malonate
Safety Information of Diethyl bis(hydroxymethyl)malonate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Diethyl bis(hydroxymethyl)malonate
Industrial Diethyl bis(hydroxymethyl)malonate 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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