4-Methylaminophenol sulfate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 55-55-0 |
| Product name | 4-Methylaminophenol sulfate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty GradeCosmetic GradeFood 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 4-Methylaminophenol sulfate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Methylaminophenol sulfate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Methylaminophenol sulfate
| Industry | Application | Process |
|---|---|---|
| Dye Manufacturing | Synthesis of azo dyes | Used as an intermediate in diazotization reactions |
| Pharmaceuticals | Production of active pharmaceutical ingredients, such as antihistamines | Converted into target drug molecules via chemical modification or reaction with other compounds |
| Cosmetics | Component of hair dye formulations | Mixed with oxidizing agents and applied to hair, generating pigment that deposits within the hair shaft |
| Fine Chemicals | Production of other organic chemicals | Further chemically transformed to yield a broader range of functional chemicals |
Manufacturing Quality Control of 4-Methylaminophenol sulfate
| Detection Item | Common Testing Methods | Method Overview |
|---|---|---|
| Identification Test | Infrared Spectroscopy (IR) | Compare characteristic absorption peaks in the infrared spectrum with reference standard spectra to confirm compound structure. |
| High-Performance Liquid Chromatography (HPLC) | Compare retention times under identical chromatographic conditions with reference standards for qualitative identification. | |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with UV detection (typically at 254 nm or 290 nm), and calculate the main component content using the external standard method. |
| Non-aqueous Titration | Perform titration in non-aqueous solvents (e.g., glacial acetic acid) using perchloric acid as titrant, with potentiometric or indicator methods to determine the endpoint. | |
| Related Substances (Impurity) Testing | High-Performance Liquid Chromatography (HPLC) | Utilize gradient or isocratic elution programs to separate and quantify potential organic impurities (e.g., unreacted raw materials, degradation products). |
| Drying Loss | Thermogravimetric Analysis (TGA) or Constant Pressure Drying Method | Dry sample to constant weight at a specified temperature (e.g., 105°C), then calculate the percentage of mass loss. |
| Residue on Ignition | High-Temperature Incineration Method | Ignite sample at high temperature (approximately 700–800°C), then weigh the residual inorganic matter to assess inorganic impurity levels. |
| Sulfate Content | Gravimetric Method or Ion Chromatography | Determine sulfate ion concentration by precipitating as barium sulfate and weighing, or by ion chromatography; used to verify salt stoichiometry. |
| pH Value | pH Meter Measurement | Prepare a solution of defined concentration and measure its acidity or alkalinity using a calibrated pH meter. |
| Water Content | Karl Fischer Titration (KF) | Use KF titration to accurately determine moisture content in samples, especially suitable for moisture-sensitive active pharmaceutical ingredients. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, use AAS or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to detect residual heavy metals such as lead, cadmium, mercury, and arsenic. |
Technical Specifications of 4-Methylaminophenol sulfate
| Test Item | Specification |
|---|---|
| Appearance | Off white to light grey crystals |
| Purity | ≥99.0% |
| Ash | ≤0.5% |
| Loss on drying | ≤0.5% |
| Fe | ≤50 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 4-Methylaminophenol sulfate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Methylaminophenol sulfate
Packaging of 4-Methylaminophenol sulfate
Industrial 4-Methylaminophenol 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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