2-Anisidine-4-sulfonic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 98-42-0 |
| Product name | 2-Anisidine-4-sulfonic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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 2-Anisidine-4-sulfonic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Anisidine-4-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-Anisidine-4-sulfonic acid
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Used as an intermediate for azo dyes and pigments, particularly in the synthesis of red, orange, and brown dyes | Applied in diazotization-coupling reactions to couple with other aromatic amines or phenolic compounds for azo dye production |
| Pharmaceutical Industry | Used as a synthetic intermediate for certain drugs, such as local anesthetics and anti-inflammatory agents | Employed in electrophilic substitution, reduction, or condensation steps to construct the active pharmaceutical ingredient (API) scaffold |
| Pesticide Industry | Used as an intermediate in the synthesis of specific herbicides or fungicides | Functionalized via sulfonation, alkylation, or acylation to introduce pharmacophoric groups and generate biologically active pesticide molecules |
| Analytical Chemistry | Used as a colorimetric reagent or analytical reagent for metal ion detection | Forms colored metal complexes under controlled pH conditions for quantitative colorimetric analysis |
Manufacturing Quality Control of 2-Anisidine-4-sulfonic acid
| Test Item | Common Testing Method | Method Description |
|---|---|---|
| Appearance | Visual Inspection | Observe the color and physical state of the sample under natural or standard lighting to determine if it is a white to light yellow crystalline powder, and check for impurities, caking, etc. |
| Melting Point | Capillary Melting Point Method | Determine the melting temperature range using a melting point apparatus; compare with the reference value (literature value approximately 168–172°C) to assess purity. |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with a UV detector (e.g., 254 nm), water-methanol or buffer solution as mobile phase, and external standard method for quantitative analysis of the main component. |
| Moisture Content | Karl Fischer Titration | Use a Karl Fischer titrator to determine trace moisture content in the sample, ensuring the product's dryness meets specifications. |
| Sulfonic Acid Group Content | Acid-Base Titration | Dissolve the sample in water and titrate the sulfonic acid groups with standardized NaOH solution to calculate content, verifying the functional group ratio matches the expected chemical structure. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Use gradient elution to separate the main peak from impurity peaks; detect organic impurities such as unreacted starting materials, oxidation products, and isomers. Typically, individual impurities should be ≤0.5% and total impurities ≤1.0%. |
| pH Value | pH Meter Method | Prepare a solution of specified concentration (e.g., 1% aqueous solution) and measure acidity or alkalinity using a calibrated pH meter to evaluate aqueous solution properties. |
| Residue on Ignition (Sulfated Ash) | Gravimetric Method | Weigh the residue remaining after high-temperature incineration of the sample to evaluate inorganic impurity content; typically required to be ≤0.2%. |
| Heavy Metals | Sulfide Colorimetry or ICP-MS | Conduct testing according to the Chinese Pharmacopoeia or relevant standards. Sulfide method provides semi-quantitative results via color development; ICP-MS enables precise determination of elemental content such as lead, cadmium, and mercury. |
| Chlorides/Sulfates | Ion Chromatography or Turbidimetry | Turbidimetry is used for limit testing of chloride or sulfate ions; ion chromatography allows quantitative analysis of anionic impurities. |
Technical Specifications of 2-Anisidine-4-sulfonic acid
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Melting Point | 142-146°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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-Anisidine-4-sulfonic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Anisidine-4-sulfonic acid
Packaging of 2-Anisidine-4-sulfonic acid
Industrial 2-Anisidine-4-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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