2-Chloro-4-methoxybenzoic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 21971-21-1 |
| Product name | 2-Chloro-4-methoxybenzoic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 2-Chloro-4-methoxybenzoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Chloro-4-methoxybenzoic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Chloro-4-methoxybenzoic acid
| Industry | Application | Process |
|---|---|---|
| Pesticides | Synthesis of herbicide intermediates | Used as a precursor to 2-chloro-4-methoxybenzoyl chloride or its ester derivatives for synthesizing aryloxyphenoxypropionate- or benzoic acid-based herbicides |
| Pharmaceuticals | Synthesis of pharmaceutical intermediates | Applied in the preparation of benzoic acid-derived drug molecules with anti-inflammatory, antimicrobial, or central nervous system activity, via amidation, esterification, or coupling reactions to introduce aromatic ring structures |
| Dyes & Pigments | Synthesis of organic pigment intermediates | Employed as a substituent precursor in azo or anthraquinone dyes, enabling chromophore construction through diazotization or condensation reactions |
| Organic Synthesis | Functional molecular building block | Utilized in Suzuki, Ullmann, and other coupling reactions as a chloro- and methoxy-substituted aryl carboxylic acid component for complex molecule synthesis |
Manufacturing Quality Control of 2-Chloro-4-methoxybenzoic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time matching and relative response factors. |
| Residual Solvents | GC-FID | Detection and quantification of volatile organic solvents by gas chromatography with flame ionization detection using headspace sampling. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent to determine trace water content based on stoichiometric reaction. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and other heavy metals after acid digestion, using inductively coupled plasma optical emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column with conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Incineration at 700-800 C followed by weighing of residual inorganic ash after treatment with sulfuric acid. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary apparatus per USP <741>. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of the solid sample under controlled white light against standard references. |
| Particle Size Distribution | Laser Diffraction | Measurement of particle size distribution in dry powder form using laser scattering principles and Mie theory. |
| Acid Value | Acid-Base Titration | Neutralization of carboxylic acid groups with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light by chiral compounds in solution using a calibrated polarimeter at specified wavelength and temperature. |
Technical Specifications of 2-Chloro-4-methoxybenzoic acid
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 142–146°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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-Chloro-4-methoxybenzoic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Chloro-4-methoxybenzoic acid
Safety Information of 2-Chloro-4-methoxybenzoic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2-Chloro-4-methoxybenzoic acid
Industrial 2-Chloro-4-methoxybenzoic acid 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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