ALPHA,ALPHA-DIPHENYL-GAMMA-BUTYROLACTONE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 956-89-8 |
| Product name | ALPHA,ALPHA-DIPHENYL-GAMMA-BUTYROLACTONE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty Grade |
| Packaging | 25KG/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 ALPHA,ALPHA-DIPHENYL-GAMMA-BUTYROLACTONE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk ALPHA,ALPHA-DIPHENYL-GAMMA-BUTYROLACTONE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of ALPHA,ALPHA-DIPHENYL-GAMMA-BUTYROLACTONE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Key intermediate in the synthesis of the antiepileptic drug phenytoin | Used to prepare phenytoin derivatives via condensation and cyclization with urea or thiourea |
| Organic Synthesis | Building block for complex molecular frameworks containing lactone structures | Participates in nucleophilic addition, ring-opening, or cyclization reactions within multistep synthetic routes |
| Fine Chemicals | Chiral synthon or functionalized lactone precursor | Introduces diphenyl-substituted γ-butyrolactone units in asymmetric catalysis or functional group transformations |
Manufacturing Quality Control of ALPHA,ALPHA-DIPHENYL-GAMMA-BUTYROLACTONE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 210-230 nm, calibrated against certified reference standard. |
| Appearance | Visual Inspection | Assessment of physical state and color by observation against standard white background under controlled lighting. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid using calibrated capillary apparatus per USP <741>. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent to quantify water via stoichiometric reaction. |
| Residue on Ignition | Gravimetric Analysis | Heating sample at 700-800 C to constant weight and measuring inorganic residue as percentage of original mass. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and others after acid digestion, based on atomic emission intensities. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally similar impurities using diode-array detection and retention time comparison. |
| Organic Volatile Impurities | GC-FID | Detection and quantification of residual solvents using gas chromatography with flame ionization detection. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light through a solution to assess chiral purity and identity. |
| Acid Value | Acid-Base Titration | Titration with standardized NaOH solution using phenolphthalein indicator to determine free carboxylic acid content. |
| Loss on Drying | Thermogravimetric Analysis | Weight loss measurement after drying at 105 C for 2 hours, expressed as percentage of initial mass. |
Technical Specifications of ALPHA,ALPHA-DIPHENYL-GAMMA-BUTYROLACTONE
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% |
| Melting Point | 78–82°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Optical Rotation | -15° to -25° (c=1, in chloroform) |
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 ALPHA,ALPHA-DIPHENYL-GAMMA-BUTYROLACTONE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of ALPHA,ALPHA-DIPHENYL-GAMMA-BUTYROLACTONE
Packaging of ALPHA,ALPHA-DIPHENYL-GAMMA-BUTYROLACTONE
Industrial ALPHA,ALPHA-DIPHENYL-GAMMA-BUTYROLACTONE 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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