3,5-Dinitrosalicylic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 609-99-4 |
| Product name | 3,5-Dinitrosalicylic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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 3,5-Dinitrosalicylic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,5-Dinitrosalicylic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,5-Dinitrosalicylic acid
| Industry | Application | Process |
|---|---|---|
| Chemical Analysis | Reagent for reducing sugar determination | Applied in the DNS method (3,5-dinitrosalicylic acid method) to quantify reducing sugars; reacts with reducing sugars under alkaline conditions upon heating to form a reddish-brown amino compound, followed by spectrophotometric absorbance measurement at 540 nm |
| Biochemical Research | Enzyme activity assay | Applied to assess the activity of hydrolytic enzymes such as cellulase and amylase by quantifying the reducing sugars released during enzymatic reactions |
| Teaching Laboratories | Biochemistry teaching experiments | Used as a standard reagent in university laboratories for qualitative and quantitative analysis of carbohydrates in student experiments |
Manufacturing Quality Control of 3,5-Dinitrosalicylic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Quantifies 3,5-DNS based on absorbance at characteristic wavelength (e.g., 540 nm) using a calibrated standard curve. |
| Loss on Drying | Gravimetric (Thermogravimetry) | Measures mass loss after drying at specified temperature and time to determine volatile content including moisture and solvents. |
| Residue on Ignition | Gravimetric (Sulfated Ash) | Determines inorganic impurities by ignition of sample at high temperature followed by weighing of residual ash. |
| Heavy Metals | AAS (Atomic Absorption Spectroscopy) | Quantifies total heavy metals (e.g., Pb, Cd, Hg, As) after acid digestion by measuring atomic absorption at element-specific wavelengths. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Measures chloride ions via argentometric titration using silver nitrate and a silver indicator electrode. |
| Sulfate Impurity | Gravimetric (Barium Sulfate Precipitation) | Determines sulfate as insoluble BaSO4 precipitate formed after addition of barium chloride under controlled conditions. |
| Related Substances | HPLC-UV | Separates and quantifies structurally related impurities (e.g., nitrophenols, dinitrobenzenes) using reversed-phase chromatography and UV detection. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Measures hydrogen ion activity in a defined aqueous suspension or solution using calibrated pH electrode. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating purity and identity. |
| Appearance | Visual Inspection | Assesses physical characteristics (color, homogeneity, presence of foreign particles) against established reference standards. |
| Solubility in Water | Qualitative Solubility Test | Evaluates complete dissolution in specified volume of water at defined temperature and agitation time. |
| Iron Impurity | Colorimetric (1,10-Phenanthroline Method) | Measures Fe2+ after reduction and complexation with 1,10-phenanthroline, quantified by absorbance at ~510 nm. |
Technical Specifications of 3,5-Dinitrosalicylic acid
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 172–176 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 3,5-Dinitrosalicylic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,5-Dinitrosalicylic acid
Packaging of 3,5-Dinitrosalicylic acid
Industrial 3,5-Dinitrosalicylic 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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