4-Aminothiophenol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1193-02-8 |
| Product name | 4-Aminothiophenol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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-Aminothiophenol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Aminothiophenol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Aminothiophenol
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates, e.g., for antihypertensive agents and sulfonamide drugs | Introduction of the aminophenylthio group via nucleophilic substitution or coupling reactions |
| Dyes | Intermediate in dye and pigment manufacturing | Diazotization or condensation reactions utilizing its amino and thiol groups |
| Materials Science | Functional monomer for synthesizing conductive polymers or modifying resins | Polymerization or surface modification (e.g., self-assembly on metal nanoparticles) |
| Analytical Chemistry | Chelating agent or colorimetric reagent for metal ions | Formation of stable complexes with metal ions for detection |
| Agrochemicals | Raw material for synthesizing certain pesticides or plant growth regulators | Chemical synthesis reactions |
| Rubber/Adjuvants | Accelerator or antioxidant in rubber vulcanization | Reaction with rubber compounds |
Manufacturing Quality Control of 4-Aminothiophenol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration with iodine reagent to determine water content based on stoichiometric reaction with water. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature using calibrated capillary apparatus per USP <741>. |
| Residue on Ignition | Gravimetric Analysis | Heating sample at 700-800 C to constant weight and measuring non-volatile inorganic residue. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and others after acid digestion, using plasma emission spectroscopy. |
| Chloride Impurity | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode to detect chloride ion endpoint. |
| Sulfate Impurity | Turbidimetric Method | Reaction with barium chloride under acidic conditions to form BaSO4 precipitate, measured by light scattering. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using HPLC with diode-array detection, comparing retention times and spectra to reference compounds. |
| pH of Aqueous Solution | pH Meter | Measurement of hydrogen ion activity in a saturated aqueous suspension using calibrated glass electrode. |
| Iron Content | AAS | Atomic absorption spectroscopy after acid digestion and matrix matching, using iron-specific hollow cathode lamp. |
| Organic Volatile Impurities | GC-FID | Headspace or direct injection GC with flame ionization detection to quantify residual solvents such as benzene or toluene. |
| Bulk Density | Graduated Cylinder Method | Mass of material freely poured into a standardized cylinder divided by its volume, per ASTM D1895. |
Technical Specifications of 4-Aminothiophenol
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC) |
| Melting Point | 75–79°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| 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 4-Aminothiophenol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Aminothiophenol
Packaging of 4-Aminothiophenol
Industrial 4-Aminothiophenol 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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