2-(2-Hydroxy)ethyl-p-phenylene diamino sulfate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 93841-25-9 |
| Product name | 2-(2-Hydroxy)ethyl-p-phenylene diamino sulfate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeCosmetic GradeFood Grade |
| Packaging | 25KG/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-(2-Hydroxy)ethyl-p-phenylene diamino sulfate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-(2-Hydroxy)ethyl-p-phenylene diamino sulfate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-(2-Hydroxy)ethyl-p-phenylene diamino sulfate
| Industry | Application | Process |
|---|---|---|
| Personal Care | Primary dye intermediate in oxidative hair colorants for brown to black shades | Acts as a precursor, reacting with oxidants (e.g., hydrogen peroxide) during hair coloring to form colored polymers |
| Personal Care | Color modulation and durability enhancement in hair color products | Combines with couplers (e.g., resorcinol) under alkaline conditions, generating high-molecular-weight pigments via oxidative polymerization |
| Research & Development | Used in laboratories for mechanistic studies of hair dyeing and development of novel hair color formulations | Serves as a reference standard for oxidative reaction testing and stability evaluation under simulated hair dyeing conditions |
Manufacturing Quality Control of 2-(2-Hydroxy)ethyl-p-phenylene diamino sulfate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Water Content | Karl Fischer Titration | Determines water by coulometric or volumetric titration with iodine generated in situ via electrochemical reaction. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic impurities after high-temperature ashing and weighing of residual mass. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Quantifies total heavy metals by atomic absorption spectroscopy after acid digestion and matrix-matched calibration. |
| Sulfate Content | Ion Chromatography (IC) | Separates and quantifies sulfate anion using suppressed conductivity detection with standard calibration. |
| Related Substances | HPLC-DAD | Identifies and quantifies structurally related impurities (e.g., free base, oxidation products) using diode array detection. |
| pH (1% aqueous solution) | pH Potentiometry | Measures hydrogen ion activity in a 1% w/v aqueous solution using calibrated pH electrode and buffer standards. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Determines chloride by argentometric titration using silver nitrate and silver indicator electrode. |
| Iron (Fe) | ICP-OES | Quantifies iron after microwave-assisted acid digestion using inductively coupled plasma optical emission spectrometry. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Measures weight loss upon heating to 105 C under controlled atmosphere to assess volatile content. |
| Bulk Density | Tap Density Measurement | Determines mass per unit volume after standardized tapping of powder in calibrated cylinder. |
| Particle Size Distribution | Laser Diffraction | Analyzes size distribution of dry powder using Mie scattering theory and calibrated optical model. |
Technical Specifications of 2-(2-Hydroxy)ethyl-p-phenylene diamino sulfate
| Test Item | Specification |
|---|---|
| Appearance | Pale-purple solid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 195-200°C |
| Heavy Metals | <=20 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-(2-Hydroxy)ethyl-p-phenylene diamino sulfate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-(2-Hydroxy)ethyl-p-phenylene diamino sulfate
Safety Information of 2-(2-Hydroxy)ethyl-p-phenylene diamino sulfate
| Pictograms |    |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2-(2-Hydroxy)ethyl-p-phenylene diamino sulfate
Industrial 2-(2-Hydroxy)ethyl-p-phenylene diamino 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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