TETRAETHYL METHYLENEDIPHOSPHONATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1660-94-2 |
| Product name | TETRAETHYL METHYLENEDIPHOSPHONATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 TETRAETHYL METHYLENEDIPHOSPHONATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk TETRAETHYL METHYLENEDIPHOSPHONATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of TETRAETHYL METHYLENEDIPHOSPHONATE
| Industry | Application | Process |
|---|---|---|
| Pesticides | Intermediate for insecticide synthesis | Used in insecticide synthesis |
| Pharmaceuticals | Intermediate for drug synthesis | Used in pharmaceutical synthesis |
| Flame Retardants | Intermediate for flame retardant synthesis | Used in flame retardant synthesis |
| Dyes | Used in dye synthesis | Used in dye synthesis |
| Surfactants | Intermediate for surfactant synthesis | Used in surfactant synthesis |
Manufacturing Quality Control of TETRAETHYL METHYLENEDIPHOSPHONATE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against certified reference standard under optimized chromatographic conditions. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in pyridine-methanol solvent system. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Neutralization of acidic impurities using standardized sodium hydroxide solution with phenolphthalein endpoint detection. |
| Phosphorus Content | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Quantification of total phosphorus after acid digestion by measuring characteristic atomic emission lines. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES or Graphite Furnace AAS | Multi-element quantification after microwave-assisted acid digestion; detection based on element-specific optical emission or atomic absorption. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Measurement of non-volatile inorganic residue remaining after controlled high-temperature ashing at 500-600 C. |
| Chloride Impurity | Ion Chromatography (IC) with conductivity detection | Separation and quantification of chloride anions using ion-exchange column and suppressed conductivity detection. |
| Color | Visual Comparison to APHA/Pt-Co Scale | Subjective assessment of liquid color intensity against standardized platinum-cobalt reference solutions. |
| Density | Digital Density Meter (Oscillating U-tube) | Determination of mass per unit volume based on resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Refractive Index | Refractometry (Abbe refractometer) | Measurement of light bending angle at air-sample interface to determine refractive index at specified temperature. |
| Volatile Impurities | Headspace Gas Chromatography-Mass Spectrometry (HS-GC-MS) | Identification and semi-quantification of low-boiling organic impurities via thermal equilibration and GC-MS detection. |
| Organophosphate Degradation Products | High Performance Liquid Chromatography (HPLC) with UV detection | Separation and quantification of hydrolysis or oxidation by-products using reversed-phase column and UV absorbance at 200-220 nm. |
Technical Specifications of TETRAETHYL METHYLENEDIPHOSPHONATE
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.475–1.485 |
| Relative Density (20°C/25°C) | 1.12–1.14 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 TETRAETHYL METHYLENEDIPHOSPHONATE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of TETRAETHYL METHYLENEDIPHOSPHONATE
Safety Information of TETRAETHYL METHYLENEDIPHOSPHONATE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of TETRAETHYL METHYLENEDIPHOSPHONATE
Industrial TETRAETHYL METHYLENEDIPHOSPHONATE 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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