2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2494-89-5 |
| Product name | 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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-Aminophenyl)sulfonyl]ethyl hydrogen sulfate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Intermediate in the synthesis of reactive dyes (e.g., Reactive Brilliant Red KE-3B, Reactive Brilliant Red K-2BP) | Serves as a diazo component in diazotization-coupling reactions to introduce vinyl sulfone or other reactive groups. |
| Dye Industry | Intermediate in the synthesis of acid dyes and direct dyes | Processed via diazotization to produce dye intermediates for manufacturing red and orange dyes. |
| Textile Printing & Dyeing Industry | Dyeing and printing of cotton, viscose, silk, and other fibers | Enables fixation through covalent bonding between derived reactive dyes and fibers. |
Manufacturing Quality Control of 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate
| Test Item | Common Test Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, physical state, and presence of impurities in the sample under natural or standard lighting conditions. |
| Melting Point | Capillary Melting Point Method | Place the sample into a capillary tube and heat it using a melting point apparatus; record the initial and final melting temperatures to assess purity. |
| Assay (Purity) | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase column (e.g., C18) with a UV detector; identify components by retention time and quantify based on peak area. |
| Moisture Content | Karl Fischer Titration | Utilize the quantitative reaction of iodine with sulfur dioxide in methanol with water; determine moisture content via coulometric or volumetric titration. |
| pH Value | pH Meter Method | Dissolve the sample in an appropriate amount of deionized water and measure the acidity or alkalinity using a calibrated pH meter. |
| Acetoacetate Group Content | UV-Visible Spectrophotometry | Measure absorbance at a specific wavelength (e.g., around 320 nm) and calculate the content of acetoacetate derivatives using a calibration curve. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After digesting the sample, measure residual levels of heavy metals such as lead, chromium, and cadmium to ensure compliance with environmental standards. |
| Organic Volatile Compounds (VOCs) | Gas Chromatography (GC) | Suitable for solvent residue testing; separate and detect residual organic solvents (e.g., methanol, ethyl acetate) using gas chromatography. |
| Residue on Ignition (Ash Content) | Ignition Residue Method | Ignite the sample in a high-temperature muffle furnace until constant weight is achieved; weigh the remaining residue and calculate the ash percentage. |
Technical Specifications of 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to almost colorless clear liquid |
| Amino value | ≥96.0% |
| Ester value | ≥93.0% |
| p-Chloroaniline | ≤300 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-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate
Safety Information of 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate
Industrial 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate 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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