2-Methylhydroquinone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 95-71-6 |
| Product name | 2-Methylhydroquinone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeReagent 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-Methylhydroquinone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Methylhydroquinone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Methylhydroquinone
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Used as an organic synthesis intermediate for the preparation of dyes, pharmaceuticals, and functional materials | Participates in multistep synthesis via hydroxylation, alkylation, or condensation reactions |
| Dye Industry | Used as a precursor or modifier for azo and anthraquinone dyes | Couples with diazonium salts under acidic or alkaline conditions, or undergoes oxidative condensation |
| Pharmaceutical Industry | Used to construct molecular scaffolds of antimicrobial and anti-inflammatory drugs | Undergoes selective functional group transformation or cyclization following protecting group strategies |
| Materials Science | Used as a polymer monomer or crosslinker for phenolic resins or conductive polymers | Condenses with formaldehyde or undergoes electrochemical polymerization in the presence of an oxidant |
| Analytical Chemistry | Used as a chromatographic standard or precursor for fluorescent probes | Used directly after purification or derivatized to introduce fluorescent/detection groups |
Manufacturing Quality Control of 2-Methylhydroquinone
| Test Item | Common Testing Method | Method Summary |
|---|---|---|
| Purity/Content Determination | High-Performance Liquid Chromatography (HPLC) | A reversed-phase C18 chromatographic column is used with methanol-water or acetonitrile-water as the mobile phase. A UV detector (typically at 254 nm or 280 nm wavelength) is employed for detection. The content of 2,5-dihydroxytoluene is calculated using external standard method or area normalization method. This method provides good separation and high reproducibility, suitable for purity control of raw materials and intermediates. |
| Related Substances (Impurity) Check | High-Performance Liquid Chromatography (HPLC) | Under similar or optimized chromatographic conditions to those used for content determination, synthetic by-products and degradation products may be separated and quantified. Typically, impurity limits are set (e.g., single impurity ≤ 0.5%, total impurities ≤ 1.0%) to ensure product compliance with quality standards. |
| Melting Point Determination | Capillary Melting Point Method | Dried sample is loaded into a melting point capillary tube and slowly heated in a melting point apparatus. The temperature range from initial melting to complete melting is recorded. The theoretical melting point of 2,5-dihydroxytoluene is approximately 107–110 °C. A narrow melting range can provide an initial indication of its purity. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Constant Temperature Drying at Atmospheric Pressure | The sample is dried at a specified temperature (e.g., 105 °C) until constant weight is achieved. The percentage weight loss due to moisture or volatile components is measured to control moisture and volatile impurity content. |
| Residue on Ignition | High-Temperature Ashing Method | After carbonization, the sample is ashed at 700–800 °C in a high-temperature furnace until constant weight is achieved. The residue indicates the level of inorganic salts and inorganic impurities. Usually, it is required to be ≤ 0.1%. |
| Heavy Metals | Thioacetamide Colorimetric Method (or Atomic Absorption Spectroscopy) | According to the Chinese Pharmacopoeia or relevant standards, the sample is acidified and then treated with thioacetamide reagent for color development. The color intensity is compared with that of a standard lead solution; alternatively, atomic absorption spectroscopy (AAS) can be used directly to measure elements such as lead, cadmium, mercury, and arsenic. This controls the total heavy metal content (usually ≤ 20 ppm). |
| Moisture | Karl Fischer Titration | Based on the quantitative reaction between iodine and sulfur dioxide in the presence of pyridine/imidazole with water, titration is performed to determine the trace moisture content in the sample. It is suitable for moisture-sensitive organic compounds in quality control. |
Technical Specifications of 2-Methylhydroquinone
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.5% (HPLC) |
| Melting Point | 107–111°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| 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-Methylhydroquinone
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NMR Spectra of 2-Methylhydroquinone
Packaging of 2-Methylhydroquinone
Industrial 2-Methylhydroquinone 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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