2-Amino-5-chloro-4-methylbenzenesulfonic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 88-53-9 |
| Product name | 2-Amino-5-chloro-4-methylbenzenesulfonic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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-Amino-5-chloro-4-methylbenzenesulfonic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Amino-5-chloro-4-methylbenzenesulfonic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Amino-5-chloro-4-methylbenzenesulfonic acid
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Intermediate for azo dyes, used in the synthesis of acid, direct, and reactive dyes (e.g., Acid Red 37, Direct Black 38) | Diazotization-coupling reaction, coupled with aromatic amines or phenolic compounds |
| Pharmaceutical Industry | Intermediate for sulfonamide drugs and anti-inflammatory agents | Prepared via multi-step organic synthesis, including acylation and cyclization |
| Pesticide Industry | Structural modification intermediate for herbicides and insecticides | Participates in nucleophilic substitution or condensation reactions to introduce sulfonamide groups, enhancing biological activity |
Manufacturing Quality Control of 2-Amino-5-chloro-4-methylbenzenesulfonic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantitative determination based on peak area comparison against a certified reference standard using reversed-phase chromatography. |
| Moisture Content | Karl Fischer titration | Electrochemical titration measuring water content via iodine-sulfur dioxide reaction in a methanol-based solvent system. |
| Residue on Ignition | Gravimetric analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 700-800 C. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals by flame or graphite furnace AAS after acid digestion and chelation. |
| Chloride Impurity | Potentiometric titration with AgNO3 | Direct titration using silver nitrate with endpoint detection via silver ion-selective electrode. |
| Sulfate Impurity | Barium chloride turbidimetry | Precipitation of sulfate as BaSO4 and measurement of turbidity proportional to sulfate concentration. |
| Iron (Fe) Content | ICP-OES | Multi-element quantification of Fe after microwave-assisted acid digestion using inductively coupled plasma optical emission spectroscopy. |
| pH of Aqueous Suspension | pH meter measurement | Determination of pH in a defined suspension (e.g., 1% w/v in water) using calibrated glass electrode. |
| Melting Point | Capillary melting point apparatus | Thermal transition detection by observing solid-to-liquid phase change in a capillary tube under controlled heating. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and quantification of residual solvents and volatile organics using flame ionization detection. |
| Particle Size Distribution | Laser diffraction | Analysis of particle size based on angular variation of laser light scattering in a dispersed sample. |
| Color (APHA) | Visual comparison or spectrophotometric measurement | Evaluation of yellowish discoloration by matching to APHA color standards or measuring absorbance at 430 nm. |
Technical Specifications of 2-Amino-5-chloro-4-methylbenzenesulfonic acid
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 210–214°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| 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 2-Amino-5-chloro-4-methylbenzenesulfonic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 2-Amino-5-chloro-4-methylbenzenesulfonic acid
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2-Amino-5-chloro-4-methylbenzenesulfonic acid
Industrial 2-Amino-5-chloro-4-methylbenzenesulfonic 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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