Diethyl squarate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5231-87-8 |
| Product name | Diethyl squarate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeMaterial GradeSpecialty 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) |
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Documents We Provide for Diethyl squarate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethyl squarate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethyl squarate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthetic intermediate | Used in intermediate steps of certain drug syntheses |
| Pesticides | Active ingredient in insecticides and herbicides | Serves as a raw material for organophosphorus pesticide synthesis |
| Fine fragrances | Fragrance compound | Applied in the synthesis of ester compounds with specific odor profiles |
| Plastic additives | Stabilizer and plasticizer | Employed to enhance processing performance and stability of plastic materials |
| Coatings | Resin synthesis raw material | Used in the synthesis of resins for coating applications |
| Fine chemicals | Organic synthesis reagent | Participates in various organic synthesis reactions as an ester compound |
Manufacturing Quality Control of Diethyl squarate
| 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 under validated chromatographic conditions. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Acidity (as HCl) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| Color | Visual Comparison or Hazen (APHA) Color Scale | Assessment of sample color intensity by matching against platinum-cobalt standard solutions or using a spectrophotometer at 455 nm. |
| Density | Digital Density Meter | Determination of mass per unit volume using oscillating U-tube principle with temperature-controlled measurement. |
| Refractive Index | Refractometry | Measurement of light bending angle at air-sample interface to infer purity and concentration. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using anion-exchange column and conductivity detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after wet digestion, based on absorption of characteristic wavelength radiation. |
| Residual Solvents (e.g., Ethanol, Chloroform) | Headspace Gas Chromatography (HS-GC) | Extraction and analysis of volatile organic solvents via equilibrium headspace sampling and GC-FID detection. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range using calibrated capillary tube method. |
| Appearance | Visual Inspection | Assessment of physical state, clarity, and presence of particulates or phase separation under controlled lighting conditions. |
Technical Specifications of Diethyl squarate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.430–1.440 |
| Relative Density (20°C/25°C) | 1.180–1.195 g/cm³ |
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 squarate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Diethyl squarate
Packaging of Diethyl squarate
Industrial Diethyl squarate 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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