7-Diethylamino-4-methylcoumarin Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 91-44-1 |
| Product name | 7-Diethylamino-4-methylcoumarin |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 7-Diethylamino-4-methylcoumarin
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 7-Diethylamino-4-methylcoumarin Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 7-Diethylamino-4-methylcoumarin
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Used as an intermediate for acid dyes in the synthesis of various dyes | Incorporated into the dye molecular backbone via diazotization or condensation reactions |
| Chemical Analysis | Serves as a fluorescent reagent for the determination of metal ions (e.g., scandium, yttrium, lanthanides) | Forms fluorescent complexes with metal ions under acidic conditions, followed by spectrophotometric measurement |
| Pharmaceuticals / Agrochemicals | Used as an intermediate in the synthesis of pharmaceuticals or agrochemicals | Converted to target products through further functionalization or cyclization reactions |
| Optical Materials | Used as a laser dye | Doped into specific host matrices as the laser gain medium |
| Optoelectronic Detection | Used as a fluorescent probe or labeling reagent | Covalently conjugated or physically adsorbed onto target molecules or systems |
Manufacturing Quality Control of 7-Diethylamino-4-methylcoumarin
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at ~365 nm. |
| Related Substances | HPLC-UV | Separation and detection of structurally related impurities (e.g., unreacted 4-methylumbelliferone, diethylamine derivatives) using gradient HPLC-UV. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration with iodine-based reagent to determine water content based on stoichiometric reaction with iodine and sulfur dioxide. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after controlled ashing at 700-800 C. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of heavy metals (e.g., Pb, Cd, Hg, As) after acid digestion, using plasma excitation and optical emission detection. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions following sample dissolution and filtration. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range using calibrated capillary apparatus per USP <741>. |
| Organic Volatile Impurities | GC-FID | Detection and quantification of residual solvents (e.g., ethanol, toluene, DMF) using gas chromatography with flame ionization detection. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral centers (if present in batch or degradation products). |
| UV-Vis Absorption Maxima and Absorbance Ratio | UV-Vis Spectrophotometry | Verification of lambda-max (~365 nm in methanol) and A254/A365 ratio to confirm identity and absence of significant chromophore-altering impurities. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder particle size via scattering pattern of laser beam, reporting D10, D50, D90 values. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a defined suspension (e.g., 1% w/v in water) to assess acidic/basic impurity load. |
Technical Specifications of 7-Diethylamino-4-methylcoumarin
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 102–106 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
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 7-Diethylamino-4-methylcoumarin
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 7-Diethylamino-4-methylcoumarin
Safety Information of 7-Diethylamino-4-methylcoumarin
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 7-Diethylamino-4-methylcoumarin
Industrial 7-Diethylamino-4-methylcoumarin 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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