4-Chlororesorcinol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 95-88-5 |
| Product name | 4-Chlororesorcinol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty 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-Chlororesorcinol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Chlororesorcinol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Chlororesorcinol
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates | Chlorination substitution of resorcinol hydroxyl groups via chlorination reaction |
| Pesticides | Synthesis of pesticide intermediates | Used as a precursor in the preparation of certain herbicides or insecticides |
| Dyes | Synthesis of dye intermediates | Employed as a raw material for synthesizing certain azo dyes or acid dyes |
| Chemicals | Synthesis of other organic compounds | Applied in the further synthesis of other aromatic compounds or functional materials |
Manufacturing Quality Control of 4-Chlororesorcinol
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance and Physical Properties | Visual Inspection, Melting Point Determination | Observe the sample as a white to off-white crystalline powder, free from visible impurities; determine the melting point range (literature value approximately 108–112 °C) using a melting point apparatus to assess purity and crystal consistency. |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Use a C18 chromatography column with a mobile phase of methanol/water or acetonitrile/water (commonly adjusted with 0.1% formic acid or phosphoric acid), and a UV detector (wavelength 280–290 nm) for quantitative analysis. The content is calculated using an external standard method, which provides high precision and strong specificity. |
| Content Determination | UV-Visible Spectrophotometry (UV-Vis) | Measure the absorbance of the sample solution at the maximum absorption wavelength (approximately 285 nm), and calculate the concentration using the standard curve method. This method is suitable for rapid screening but is susceptible to interference from impurities and requires sample purification. |
| Moisture Content Determination | Karl Fischer Titration | The method uses a reagent composed of iodine, sulfur dioxide, pyridine, and methanol to react quantitatively with water. The moisture content is determined by electrochemical or volumetric methods, meeting pharmacopoeia requirements (e.g., USP/EP) with a precision of 0.01%. |
| Chlorine Content Determination | Combustion Ion Chromatography / Oxygen Bomb Combustion + Ion Chromatography | The sample is completely combusted in an oxygen bomb, converting chlorine into chloride ions, which are then dissolved in an absorbing solution and analyzed by ion chromatography to determine Cl⁻ concentration, which is converted to total chlorine content. This is used to verify the consistency of chlorine substitution positions with theoretical values. |
| Chlorine Content Determination | Titration Method (e.g., Silver Nitrate Titration) | After hydrolysis under alkaline conditions, the chloride ions are titrated with a standard silver nitrate solution. The endpoint is determined by potentiometry or an indicator (such as fluorescein). This method is suitable for traditional laboratories but is subject to more interferences and requires pretreatment. |
| Impurity Profile Analysis | HPLC-MS / LC-MS/MS | Use mass spectrometry coupling technology to identify the structure of impurities separated by HPLC. It can detect organic impurities such as 2,4-dichlorophenol, unreacted resorcinol, and oxidation products. This method has high sensitivity and is used for comprehensive quality assessment. |
| Heavy Metal Detection | Atomic Absorption Spectroscopy (AAS) or ICP-MS | The sample is digested (with nitric acid/hydrogen peroxide), and heavy metal content (such as lead, cadmium, mercury, arsenic) is measured using AAS, or multi-element simultaneous detection is performed using ICP-MS. This meets the requirements of ICH Q3D or pharmacopoeia heavy metal limits (e.g., ≤10 ppm). |
| Solvent Residue Determination | Gas Chromatography (GC) | Use headspace injection or direct injection, and a FID detector to analyze residual organic solvents (such as methanol, ethanol, acetone, DMF), and determine whether they meet residue limits according to ICH Q3C standards. |
| Particle Size Distribution (if applicable) | Laser Diffraction Method | Applicable to powder formulations or situations requiring control of dissolution rate. It determines the particle size distribution to ensure consistency in physical properties between batches. |
| pH Value Determination (aqueous solution) | Glass Electrode pH Meter | Prepare the sample as a solution of specified concentration (e.g., 1% w/v) and measure the pH value using a calibrated pH meter (theoretical value approximately 5.5–6.5). This reflects acidity or alkalinity and indirectly indicates purity and hydrolysis status. |
Technical Specifications of 4-Chlororesorcinol
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 112–116°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-Chlororesorcinol
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NMR Spectra of 4-Chlororesorcinol
Packaging of 4-Chlororesorcinol
Industrial 4-Chlororesorcinol 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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