Hydroquinone bis(2-hydroxyethyl)ether Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 104-38-1 |
| Product name | Hydroquinone bis(2-hydroxyethyl)ether |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial 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 Hydroquinone bis(2-hydroxyethyl)ether
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Hydroquinone bis(2-hydroxyethyl)ether Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Hydroquinone bis(2-hydroxyethyl)ether
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Drug manufacturing | Synthesized via chemical reactions to produce target drug molecules |
| Coatings Industry | Coating production | Incorporated into coating formulations as a stabilizer or crosslinking agent |
| Plastics Industry | Plastic product manufacturing | Used as a heat stabilizer or antioxidant in plastics |
| Cosmetics Industry | Cosmetic formulation | Added as an antioxidant to skincare and color cosmetic products |
Manufacturing Quality Control of Hydroquinone bis(2-hydroxyethyl)ether
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance and Color | Visual Inspection / Spectrophotometry | Observe the sample under natural or standard lighting; it should appear as white to slightly yellowish crystals or powder. When necessary, measure absorbance in the 400–700 nm wavelength range using a UV-Visible spectrophotometer to assess color intensity. |
| Melting Point | Capillary Melting Point Apparatus | According to the Chinese Pharmacopoeia or ASTM E30 standard, load the sample into a capillary tube and determine the melting point range at a heating rate of 1–2°C/min. The standard melting point range is approximately 108–112°C. |
| Content (Purity) | High-Performance Liquid Chromatography (HPLC) | Use a C18 reversed-phase column with a mobile phase of methanol-water (e.g., 60:40 v/v) and a UV detector (280 nm). Quantify using the external standard method, calculating the percentage of the main component peak area; requirement: ≥99.0%. |
| Water Content | Karl Fischer Titration | Perform Karl Fischer titration using either coulometric or volumetric reagents to determine trace water content. Control water content to ≤0.5% to prevent hydrolysis or storage instability issues. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After ashing or acid digestion of the sample, measure concentrations of heavy metal ions (e.g., lead, cadmium, mercury, arsenic) using AAS, in compliance with pharmaceutical-grade standards (e.g., Pb ≤ 5 ppm). |
| Organic Impurities (Related Substances) | HPLC-UV / HPLC-MS | Use gradient elution HPLC to separate and detect potential impurities (e.g., unreacted hydroquinone, monoethyl ether, oxidation products). Compare with reference standards; total impurities must be ≤0.5%. |
| Chloride Content | Silver Nitrate Titration / Ion Chromatography | Dissolve the sample in water, acidify with dilute nitric acid, then add silver nitrate solution to observe white precipitate, or quantify chloride ions (Cl⁻) via ion chromatography. Control chloride content to ≤0.01%. |
| Sulfate Content | Barium Chloride Turbidimetry | After acidification, add barium chloride solution to form barium sulfate precipitate; compare turbidity with a standard reference solution. Control sulfate content to ≤0.02%. |
| Residual Volatile Organic Compounds | Gas Chromatography (GC-FID / GC-MS) | Use headspace or direct injection to detect residual solvents such as ethanol, ethylene glycol, and acetaldehyde, ensuring compliance with ICH Q3C limits for residual solvents. |
| pH Value (Aqueous Solution) | pH Meter Method | Prepare a 1% aqueous solution and measure pH using a calibrated pH meter. Control pH within the range of 5.0–7.0 to ensure chemical stability. |
| Thermal Stability (TGA/DSC) | Thermogravimetric Analysis (TGA) / Differential Scanning Calorimetry (DSC) | Use TGA to determine weight loss curves and evaluate decomposition temperature (typically >200°C); use DSC to analyze melting endothermic peaks to confirm purity and crystalline form consistency. |
Technical Specifications of Hydroquinone bis(2-hydroxyethyl)ether
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder or lumps |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 56–59°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Color (APHA/Pt-Co) | <=100 |
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 Hydroquinone bis(2-hydroxyethyl)ether
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Hydroquinone bis(2-hydroxyethyl)ether
Safety Information of Hydroquinone bis(2-hydroxyethyl)ether
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Hydroquinone bis(2-hydroxyethyl)ether
Industrial Hydroquinone bis(2-hydroxyethyl)ether 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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