4-Amino-2-methylphenol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2835-96-3 |
| Product name | 4-Amino-2-methylphenol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty GradeMaterial 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-Amino-2-methylphenol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Amino-2-methylphenol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Amino-2-methylphenol
| Industry | Application | Process |
|---|---|---|
| Photography | Used as a component in black-and-white developing agents to reduce silver salts to metallic silver | Developer formulation |
| Dyes | Synthesized as an intermediate for azo dyes, applied in textile dyeing | Diazotization and coupling reaction |
| Pharmaceuticals | Synthesized as a drug intermediate (e.g., analgesics, antioxidants) | Organic synthesis reaction |
| Rubber | Used as a component in antidegradants to retard rubber oxidation | Additive compounding |
| Cosmetics | Applied as an oxidative intermediate in hair dyes (content strictly controlled) | Oxidative coupling reaction |
| Chemicals | Produced for fine chemicals such as antioxidants and UV absorbers | Catalytic hydrogenation/condensation reaction |
Manufacturing Quality Control of 4-Amino-2-methylphenol
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity Determination | High-Performance Liquid Chromatography (HPLC) | A reversed-phase chromatographic column is used with methanol/water or acetonitrile/buffer salt as the mobile phase. The UV detector (e.g., 254 nm) quantifies the main component purity, and external standard method or area normalization is used for calculation. |
| Content Determination | Titration Method (Bromine Titration or Sodium Nitrite Titration) | An oxidation-reduction titration is performed using aromatic amine groups reacting with bromine or sodium nitrite. The content is calculated based on the volume of standard solution consumed; suitable for API content control. |
| Related Substances/Impurity Analysis | HPLC Method (Gradient Elution) | A gradient elution program is used to separate the main peak from potential impurities (such as oxidation products, isomers, etc.). A mass spectrometer or diode array detector is used for qualitative analysis, and impurity limits are set accordingly. |
| Loss on Drying | Oven-Drying Method | The sample is dried at 105°C until constant weight is achieved. The percentage of weight loss is calculated to assess moisture and volatile matter content. |
| Melting Point Determination | Capillary Melting Point Apparatus Method | A digital melting point apparatus is used to measure the temperature range from initial melting to complete melting, which indicates crystalline purity and physical consistency. |
| Residual Solvents | Gas Chromatography (GC-FID or GC-MS) | Headspace or direct injection is used with a capillary column to separate residual organic solvents (e.g., methanol, ethanol, ethyl acetate, etc.), and the external standard method is used for quantification. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After acid digestion, the total amounts of elements such as lead, arsenic, cadmium, and mercury are measured to ensure compliance with pharmacopoeial or industry limit requirements (e.g., <10–20 ppm). |
| Appearance and Color | Visual Color Comparison Method | Under natural light or a standard light source, the solid color (should be white to off-white crystals) is observed and compared with a standard color solution to control colored impurities. |
| pH Value (in Solution Form) | pH Meter Method | The sample is prepared into an aqueous solution of specified concentration, and its pH is measured using a calibrated pH meter to evaluate whether it meets process or formulation requirements. |
| UV Absorption Characteristics | UV-Visible Spectrophotometry | A wavelength scan from 200–400 nm is conducted to confirm the position and absorbance of the maximum absorption peak, which is used for identification or auxiliary purity assessment. |
Technical Specifications of 4-Amino-2-methylphenol
| Test Item | Specification |
|---|---|
| Appearance | Brown solid |
| Purity | ≥98.0% |
| Water | ≤0.5% |
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-Amino-2-methylphenol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Amino-2-methylphenol
Packaging of 4-Amino-2-methylphenol
Industrial 4-Amino-2-methylphenol 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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