Diethylenetriaminepenta(methylene-phosphonic acid) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 15827-60-8 |
| Product name | Diethylenetriaminepenta(methylene-phosphonic acid) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material 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 Diethylenetriaminepenta(methylene-phosphonic acid)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethylenetriaminepenta(methylene-phosphonic acid) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethylenetriaminepenta(methylene-phosphonic acid)
| Industry | Application | Process |
|---|---|---|
| Water Treatment | Scale Inhibitor, Corrosion Inhibitor | Prevents scaling by calcium and magnesium salts and mitigates metal corrosion in recirculating cooling water systems |
| Petrochemical | Drilling Fluid Additive, Acidizing Corrosion Inhibitor | Protects equipment from corrosion by acidic media during acidizing operations |
| Power Generation | Boiler Water Treatment | Used in high-pressure boiler feedwater systems to suppress scaling and corrosion |
| Chemical Industry | Catalyst Promoter, Metal Ion Chelating Agent | Stabilizes metal ions in synthesis reactions to enhance catalyst efficiency |
| Metallurgy | Precipitation Inhibitor in Hydrometallurgical Processes | Inhibits premature precipitation of metal ions in solution to improve metal recovery rates |
Manufacturing Quality Control of Diethylenetriaminepenta(methylene-phosphonic acid)
| Test Item | Common Test Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Place the sample in a transparent container and observe its color, physical state, and clarity (e.g., whether it is clear and transparent) under natural light or standard illumination. Used to determine if the product is a colorless to pale yellow transparent liquid. |
| Active Ingredient Content | Titration (Complexometric Titration / EDTA Method) | Under specific pH conditions, titrate metal ions (such as Ca²⁺, Zn²⁺) in the sample with a standard EDTA solution. The amount of EDTA consumed is used to calculate the content of active phosphonate groups, indirectly reflecting the purity of DTPMP. |
| Total Phosphorus Content | Molybdenum Blue Colorimetry | The sample is digested to convert all phosphorus-containing compounds into orthophosphate. In acidic conditions, orthophosphate reacts with ammonium molybdate to form phosphomolybdic acid, which is then reduced to a blue complex. The absorbance is measured at around 700 nm using a spectrophotometer to calculate the total phosphorus content. |
| Free Phosphate | Ion Chromatography (IC) or Colorimetric Method | Ion chromatography is used to separate and quantify free PO₄³⁻ in the sample; alternatively, the molybdenum blue method is applied without digestion to measure unbound phosphate, assessing by-products or degradation levels. |
| pH Value | pH Meter Method | Immerse a pH electrode into a defined concentration of the sample (e.g., 1% aqueous solution) and directly read the pH value. This test evaluates the acidity and batch-to-batch consistency of the product. |
| Density | Density Meter or Pycnometer Method | Measure the mass per unit volume using a hydrometer or constant-temperature pycnometer, typically at 20°C. Used to verify product concentration and homogeneity. |
| Chloride Content | Silver Nitrate Titration or Ion Chromatography | Titrate chloride ions with a standard silver nitrate solution under acidic conditions, forming a white precipitate of AgCl; or precisely separate and quantify Cl⁻ using ion chromatography to control residual raw materials. |
| Iron Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, iron content is determined by atomic absorption spectroscopy or inductively coupled plasma mass spectrometry (ICP-MS). This assesses impurity levels and is particularly important for high-purity grades. |
| Chelating Capacity (Calcium Chelating Value) | Calcium Salt Titration | Add excess calcium chloride solution to the sample, adjust pH, then back-titrate the remaining Ca²⁺ with EDTA. The amount of calcium chelated by DTPMP is calculated (typically expressed as mg Ca²⁺ per gram of sample), reflecting its functional performance. |
| Moisture Content | Karl Fischer Method | Based on the quantitative reaction of iodine with sulfur dioxide in the presence of pyridine and methanol with water. Water content is determined by coulometric or volumetric titration, suitable for concentrated liquids or solid samples. |
| Molecular Structure Confirmation | Fourier Transform Infrared Spectroscopy (FTIR) or Nuclear Magnetic Resonance (¹H-NMR, ³¹P-NMR) | FTIR identifies characteristic functional groups (e.g., P=O, P–C, N–H); NMR provides detailed analysis of molecular framework, especially ³¹P-NMR which is sensitive to phosphonate group environments, used for qualitative identification. |
Technical Specifications of Diethylenetriaminepenta(methylene-phosphonic acid)
| Test Item | Specification |
|---|---|
| Appearance | Yellow liquid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Color (APHA/Pt-Co) | <=100 |
| Acid Value (mg KOH/g) | 450–480 |
| Relative Density (20°C/25°C) | 1.32–1.36 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 Diethylenetriaminepenta(methylene-phosphonic acid)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Diethylenetriaminepenta(methylene-phosphonic acid)
Safety Information of Diethylenetriaminepenta(methylene-phosphonic acid)
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of Diethylenetriaminepenta(methylene-phosphonic acid)
Industrial Diethylenetriaminepenta(methylene-phosphonic acid) 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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