Nitrilotriacetic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 139-13-9 |
| Product name | Nitrilotriacetic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeFood GradeCosmetic 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 Nitrilotriacetic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Nitrilotriacetic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Nitrilotriacetic acid
| Industry | Application | Process |
|---|---|---|
| Water Treatment | Water Softening | Acts as a chelating agent to remove calcium and magnesium ions from water |
| Electroplating | Metal Surface Treatment | Added to electroplating baths to prevent metal ion precipitation |
| Textiles | Dyeing Auxiliary | Functions as a complexing agent to enhance dyeing performance |
| Personal Care & Cosmetics | Preservative | Binds metal ions to inhibit microbial growth |
| Agrochemicals | Formulation Component | Improves pesticide adhesion to plant surfaces |
| Food Industry | Preservative | Controls metal ion activity in food to extend shelf life |
| Pharmaceuticals | Pharmaceutical Excipient | Acts as a stabilizer or chelating agent to improve drug stability |
Manufacturing Quality Control of Nitrilotriacetic acid
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color and condition of the sample. The pure product is a white crystalline powder with no visible impurities. |
| Content Determination | Complexometric Titration (EDTA Titration Method) | Utilize the property of NTA to form stable complexes with metal ions (such as Zn²⁺ or Cu²⁺). Add an excess of standard metal ion solution, then titrate the remaining metal ions with EDTA to calculate the NTA content. |
| High-Performance Liquid Chromatography (HPLC) | Use a reverse-phase C18 chromatography column with a UV detector (low wavelength, such as 210 nm), using phosphate buffer-methanol as the mobile phase, and quantify NTA content via external or internal standard methods. | |
| Moisture | Karl Fischer Method | Determine moisture content based on electrochemical principles, suitable for trace moisture detection and provides accurate results. |
| pH Value | pH Meter Measurement | Measure the pH value of a certain concentration NTA aqueous solution (e.g., 1% w/v) using a calibrated pH meter, typically in the range of 4.5–6.5. |
| Heavy Metals | Atomic Absorption Spectrometry (AAS) | Determine the content of heavy metals such as lead, cadmium, mercury, and arsenic after sample digestion, ensuring compliance with pharmacopoeia or industrial standards. |
| Chlorides | Silver Nitrate Turbidimetric Method | In nitric acid medium, chlorides react with silver nitrate to form silver chloride precipitate, and the limit is determined by turbidimetric method. |
| Sulfates | Turbidimetric Method | In hydrochloric acid medium, sulfates react with barium chloride to form barium sulfate precipitate, and its content is determined by turbidimetric method. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Detect organic impurities in NTA such as unreacted ammonia, acetic acid, and iminodiacetic acid (IDA) using HPLC, with gradient elution for separation and quantification. |
| Residue on Ignition | Gravimetric Method | Determine the total amount of inorganic impurities by weighing the residue after high-temperature combustion of the sample. |
| Microbial Limit | Microbial Limit Test | Perform tests for total aerobic bacteria, mold, and yeast according to pharmacopoeia requirements, as well as control organisms (e.g., Escherichia coli), applicable for pharmaceutical-grade NTA. |
Technical Specifications of Nitrilotriacetic acid
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline powder |
| Purity | >=98.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 246-248°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
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 Nitrilotriacetic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Nitrilotriacetic acid
Packaging of Nitrilotriacetic acid
Industrial Nitrilotriacetic 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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