TRIMETHYLQUINONE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 935-92-2 |
| Product name | TRIMETHYLQUINONE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty 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 TRIMETHYLQUINONE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk TRIMETHYLQUINONE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of TRIMETHYLQUINONE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing vitamin E (α-tocopherol) | Used to prepare vitamin E acetate via multi-step reactions including condensation with isophytol, reduction, and acetylation |
| Fine Fragrances | Fixative and intermediate for fragrance synthesis | Applied in synthesizing trimethylhydroquinone-based fragrances, such as woody-odor fragrances produced by condensing with aldehydes under alkaline conditions |
| Chemical Industry | Precursor for antioxidants and raw material for polymer stabilizers | Converted into sterically hindered phenolic antioxidants (e.g., derivatives of 2,6-di-tert-butyl-p-cresol) via derivatization reactions including hydrogenation and alkylation |
Manufacturing Quality Control of TRIMETHYLQUINONE
| 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-DAD | Separation and identification of impurities using HPLC coupled with diode array detection; impurities quantified relative to main peak using response factors. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents based on retention time and calibration curves. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent; water reacts stoichiometrically to determine trace moisture content. |
| Heavy Metals | ICP-MS | Inductively coupled plasma mass spectrometry for simultaneous multi-element detection and quantification of toxic metals at sub-ppq levels. |
| Chloride Impurity | Ion Chromatography | Separation of anions on an ion-exchange column with conductivity detection; chloride quantified via external calibration. |
| Sulfated Ash | Gravimetric Analysis | Sample incinerated at 700-800 C, residue treated with sulfuric acid and re-ignited; ash weight expressed as percentage of original sample. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually in capillary tube; onset and clear point recorded per USP <741>. |
| Appearance | Visual Inspection | Assessment of crystalline form, color, and physical homogeneity against established reference standard under controlled lighting. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Weight loss measured upon heating under nitrogen or air up to 150 C; reflects volatile content including residual solvents and moisture. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light at 20 C using sodium D-line; indicates chiral purity if applicable. |
| pH of Aqueous Suspension | pH Meter | Slurry prepared in CO2-free water; pH measured with calibrated electrode to assess acidic/basic degradation products. |
Technical Specifications of TRIMETHYLQUINONE
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 124–128°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| 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 TRIMETHYLQUINONE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of TRIMETHYLQUINONE
Packaging of TRIMETHYLQUINONE
Industrial TRIMETHYLQUINONE 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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