2,4-Dimethylaniline-6-sulfonic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 88-22-2 |
| Product name | 2,4-Dimethylaniline-6-sulfonic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent 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 2,4-Dimethylaniline-6-sulfonic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,4-Dimethylaniline-6-sulfonic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,4-Dimethylaniline-6-sulfonic acid
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Used as an intermediate for azo dyes and pigments, particularly in the synthesis of acid dyes and direct dyes | Coupled with coupling components via diazotization to produce colored azo compounds |
| Chemical Reagents | Served as a sulfonated aromatic amine reagent in organic synthesis | Participates in electrophilic substitution, diazotization, and coupling reactions |
| Analytical Chemistry | Employed as a colorimetric reagent or detection probe for certain metal ions or organic compounds | Enables colorimetric analysis through formation of colored complexes with target analytes |
Manufacturing Quality Control of 2,4-Dimethylaniline-6-sulfonic acid
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity (Main Component Content) | High-Performance Liquid Chromatography (HPLC) | Using a C18 reverse-phase chromatography column, with water-methanol or acetonitrile gradient elution and UV detector (UV, wavelength 254 nm or 280 nm) for detection. Quantification is performed using external standard or internal standard methods, which can effectively separate impurities from the main component and provide high accuracy, suitable for quantitative analysis of samples with purity above 95%. |
| Impurity Profile Analysis | HPLC-MS (Liquid Chromatography-Mass Spectrometry) | Combining HPLC with a mass spectrometer detector to identify the structure of unknown impurities, especially useful for detecting unreacted raw materials (such as 2,4-dimethyl aniline), oxidation products, azo byproducts, or incompletely sulfonated products, providing molecular weight and fragment information. |
| Sulfonic Acid Group Content (Acidic Groups) | Acid-Base Titration (Potentiometric Titration) | Determine the neutralization point of sulfonic acid groups by titrating the sample aqueous solution with a standard sodium hydroxide solution, using a potentiometer to monitor pH changes. This method quantifies total acidic groups and verifies the degree of sulfonation, but cannot distinguish other acidic impurities. |
| Moisture Content | Karl Fischer Titration | Utilizing the iodine-sulfur dioxide-pyridine-methanol system that specifically reacts with water, measuring trace moisture in the sample through electrochemical or coulometric methods, ensuring product dryness and preventing hydrolysis or stability issues during storage. |
| Melting Point | Melting Point Apparatus | Determine the melting range of the pure substance using capillary or automatic melting point instruments (literature value approximately 150–155°C), used to preliminarily assess crystalline purity; impurities will lower the melting point and broaden the range. |
| UV-Visible Absorption Spectra | UV-Vis Spectrophotometry | Determine the maximum absorption wavelength (λmax, typically between 260–290 nm) in ethanol or aqueous solution, used for rapid identification and concentration estimation (requires a standard curve), but with low selectivity, often used as an auxiliary method. |
| Chloride/Sulfate Impurities | Ion Chromatography (IC) | Used to detect inorganic anion impurities (such as Cl⁻, SO₄²⁻). After sample pretreatment, the sample is injected and separated on an anion exchange column, quantified by conductivity detection, ensuring inorganic salt residues meet process requirements. |
| Heavy Metal Content | Atomic Absorption Spectrometry (AAS) or ICP-MS | Determine residual heavy metals such as lead, cadmium, mercury, and arsenic after wet digestion of the sample, complying with ICH Q3D or chemical industry heavy metal limit standards, ensuring product safety for downstream applications in pharmaceuticals or food-related industries. |
| Solubility and Appearance | Visual Inspection + Solubility Test | Observe color, crystal form, and presence of foreign matter; determine solubility in water, ethanol, and acetone, serving as preliminary quality control indicators, ensuring compliance with process specifications (e.g., highly soluble in water, slightly soluble in ethanol). |
| Amino Group Confirmation | Aromatic Amine Color Reaction (Diazo-Coupling) | In acidic conditions, react with sodium nitrite to form a diazonium salt, then couple with β-naphthol to produce a red azo dye, detected by colorimetry or HPLC, used for qualitative or semi-quantitative confirmation of free amino groups, avoiding excessive sulfonation or oxidation. |
Technical Specifications of 2,4-Dimethylaniline-6-sulfonic acid
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Purity | >=98.0% (HPLC) |
| Melting Point | 192-196°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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 2,4-Dimethylaniline-6-sulfonic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,4-Dimethylaniline-6-sulfonic acid
Safety Information of 2,4-Dimethylaniline-6-sulfonic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2,4-Dimethylaniline-6-sulfonic acid
Industrial 2,4-Dimethylaniline-6-sulfonic 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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