1,3-Propylenediaminetertaacetic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1939-36-2 |
| Product name | 1,3-Propylenediaminetertaacetic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty GradeReagent GradeCosmetic GradeFood 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 1,3-Propylenediaminetertaacetic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-Propylenediaminetertaacetic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3-Propylenediaminetertaacetic acid
| Industry | Application | Process |
|---|---|---|
| Chemical | Used as a chelating agent | Removes or controls metal ion concentration in solution by forming stable complexes with metal ions |
| Analytical Chemistry | Used in complexometric titration | Reacts with metal ions under controlled pH conditions to form soluble complexes, enabling quantitative analysis of metal ions |
| Biotechnology | Used as a buffer | Regulates and maintains the required pH in biological experiments to preserve enzyme activity and other critical functions |
| Cleaning | Removal of scale and rust | Dissolves hard-water minerals (e.g., calcium and magnesium) and rust components via chelation |
| Textile Dyeing and Printing | Improves dyeing uniformity and color fastness | Chelates trace metal ions present in water to minimize their interference with dye uptake |
| Personal Care Products | Formulation of skin care products | Added as an antioxidant and stabilizer to protect skin from free radical damage and maintain product stability |
Manufacturing Quality Control of 1,3-Propylenediaminetertaacetic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration with HCl | Quantifies main component by titrating free amine groups with standardized hydrochloric acid using methyl orange indicator. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measures total heavy metal content after wet digestion by quantifying absorbance of atomic vapor at characteristic wavelengths. |
| Water Content | Karl Fischer Titration | Determines water by iodometric reaction where iodine is consumed stoichiometrically with water in pyridine-methanol solvent. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic impurities by weighing residue remaining after high-temperature ashing at 700-800 C. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Detects chloride ions via precipitation titration monitored by silver ion-selective electrode. |
| Sulfate Impurity | Turbidimetric Method | Quantifies sulfate as barium sulfate precipitate formed in acidic medium, measured by light scattering. |
| Iron (Fe) | Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) | Determines trace iron by measuring intensity of characteristic atomic emission lines after plasma atomization. |
| pH (1% aqueous solution) | pH Potentiometry | Measures hydrogen ion activity using calibrated glass electrode in diluted sample solution. |
| Appearance | Visual Inspection | Assesses physical state and clarity by observing sample in standard glass container under controlled lighting. |
| Color | APHA Color Scale Comparison | Evaluates yellowness by visual comparison against platinum-cobalt standard solutions. |
| Specific Optical Rotation | Polarimetry | Measures chiral purity by determining rotation angle of plane-polarized light passing through a defined concentration solution. |
| Related Substances | High Performance Liquid Chromatography (HPLC) | Separates and quantifies structural analogs and degradation products using reversed-phase C18 column and UV detection. |
Technical Specifications of 1,3-Propylenediaminetertaacetic acid
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Melting Point | 215-220 °C |
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 1,3-Propylenediaminetertaacetic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3-Propylenediaminetertaacetic acid
Safety Information of 1,3-Propylenediaminetertaacetic acid
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 1,3-Propylenediaminetertaacetic acid
Industrial 1,3-Propylenediaminetertaacetic 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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