3-Hydroxy-4-methylbenzoic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 586-30-1 |
| Product name | 3-Hydroxy-4-methylbenzoic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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 3-Hydroxy-4-methylbenzoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Hydroxy-4-methylbenzoic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Hydroxy-4-methylbenzoic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Key intermediate in the synthesis of the antifungal agent terbinafine | Converted into the naphthalene side-chain precursor of terbinafine via multi-step organic synthesis, including reduction and cyclization, starting from 3-hydroxy-4-methylbenzoic acid |
| Pesticides | Structural modification unit for novel fungicides and plant growth regulators | Used as an aryl substituent in coupling reactions (e.g., Suzuki coupling) to construct biologically active heterocyclic pesticide molecules |
| Fine Fragrances | Used to synthesize ester-based fragrance compounds with woody and amber notes (e.g., its ethyl ester and benzyl ester) | Undergoes Fischer esterification with corresponding alcohols under acidic catalysis (e.g., concentrated sulfuric acid or p-toluenesulfonic acid) |
Manufacturing Quality Control of 3-Hydroxy-4-methylbenzoic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at ~254 nm, comparing peak area against a certified reference standard. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals (e.g., Pb, Cd, Hg, As) after acid digestion, based on element-specific atomic emission intensities. |
| Loss on Drying (LOD) | Gravimetric (105 °C, 2 h) | Mass loss measured after drying under controlled temperature and time, reflecting volatile impurities and residual solvents/moisture. |
| Residue on Ignition (Sulfated Ash) | Gravimetric (550–600 °C) | Mass of inorganic residue remaining after high-temperature ignition of sample treated with sulfuric acid. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using suppressed conductivity detection after aqueous extraction. |
| Related Substances | HPLC-UV (Gradient) | Identification and quantification of structurally related impurities (e.g., 4-methylbenzoic acid, 3-hydroxybenzoic acid) via retention time and response relative to main peak. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as the temperature range over which solid-to-liquid phase change occurs, indicating crystallinity and purity. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical quantification of water via iodine generation and stoichiometric reaction with sample water in anhydrous medium. |
| pH (1% aqueous suspension) | pH Meter | Measurement of hydrogen ion activity in a standardized aqueous suspension, reflecting acidic character and potential hydrolytic degradation. |
| Specific Optical Rotation | [α]D (if chiral impurity control required) | Measurement of rotation of plane-polarized light at 589 nm to detect and quantify enantiomeric impurities (though compound is achiral, method used for chiral contaminant screening). |
Technical Specifications of 3-Hydroxy-4-methylbenzoic acid
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 178–182°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 3-Hydroxy-4-methylbenzoic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Hydroxy-4-methylbenzoic acid
Safety Information of 3-Hydroxy-4-methylbenzoic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 3-Hydroxy-4-methylbenzoic acid
Industrial 3-Hydroxy-4-methylbenzoic 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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