7-Ethoxy-4-methyl-2H-chromen-2-one Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 87-05-8 |
| Product name | 7-Ethoxy-4-methyl-2H-chromen-2-one |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeReagent GradeIndustrial 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 7-Ethoxy-4-methyl-2H-chromen-2-one
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 7-Ethoxy-4-methyl-2H-chromen-2-one Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 7-Ethoxy-4-methyl-2H-chromen-2-one
| Industry | Application | Process |
|---|---|---|
| Personal Care & Cosmetics | Fragrance ingredient imparting fresh, grassy, and mildly sweet coumarin notes | Used as a fragrance base component, directly incorporated into formulations for perfumes, soaps, and detergents at typical concentrations of 0.1–5% (w/w) |
| Organic Synthesis | Intermediate for fluorescent dyes and fluorescent probes | Converted to corresponding derivatives via Vilsmeier-Haack formylation or bromination, for subsequent coupling or labeling reactions |
| Analytical Chemistry | Fluorescent labeling reagent and pH-sensitive probe | Undergoes ring-opening/ring-closing tautomerization under alkaline conditions (pH > 9), generating strong blue-green fluorescence (λex/λem ≈ 365/450 nm), applied in enzyme activity assays and metal ion sensing |
| Pesticide Development | Structural analog for plant growth regulator research | Serves as a coumarin-based lead compound in structure-activity relationship (SAR) screening; no commercial agricultural formulations registered to date |
Manufacturing Quality Control of 7-Ethoxy-4-methyl-2H-chromen-2-one
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color and physical state of the sample under natural or standard lighting to determine if it is a white to off-white crystalline powder. |
| Melting Point | Capillary Melting Point Method | Determine the melting temperature range using a melting point apparatus; compare with reference value (literature value approximately 68–70°C) to assess purity. |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with methanol-water or acetonitrile-water as the mobile phase, and a UV detector (~330 nm) for detection; quantify the main component using an external standard method. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Separate the main peak from impurity peaks under gradient or isocratic conditions; evaluate total impurities and individual impurity limits using area normalization or self-reference methods. |
| Solubility | Solubility Test | Add the sample to various solvents such as water, ethanol, methanol, and ethyl acetate, shake, and observe dissolution to confirm solubility characteristics. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Oven Method | Dry the sample at a specified temperature (e.g., 105°C) to constant weight and calculate the percentage weight loss to assess moisture and volatile impurity content. |
| Sulfated Ash | Sulfated Ash Residue Method | After charring the sample and treating with sulfuric acid, incinerate at high temperature (about 600–800°C), then weigh the residue and calculate the percentage of ash. |
| Heavy Metals | Sulfide Colorimetric Method (Pharmacopoeial Method) | After digestion of the sample, react with hydrogen sulfide or thioacetamide under acidic conditions to form colored precipitates; determine total heavy metals by colorimetry. |
| Residual Solvents | Gas Chromatography (GC) | Use headspace or direct solution injection to detect organic solvents possibly remaining from manufacturing (e.g., methanol, ethanol, ethyl acetate). |
| Structural Confirmation | UV-Visible Spectrophotometry (UV-Vis), Fourier Transform Infrared Spectroscopy (FT-IR), Nuclear Magnetic Resonance (NMR), Mass Spectrometry (MS) | Use multiple spectroscopic techniques to confirm molecular structure: UV characteristic absorption (~330 nm), IR showing lactone and aromatic ring functional groups, and NMR and MS providing precise structural information. |
Technical Specifications of 7-Ethoxy-4-methyl-2H-chromen-2-one
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 74–77°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| 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 7-Ethoxy-4-methyl-2H-chromen-2-one
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 7-Ethoxy-4-methyl-2H-chromen-2-one
Safety Information of 7-Ethoxy-4-methyl-2H-chromen-2-one
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 7-Ethoxy-4-methyl-2H-chromen-2-one
Industrial 7-Ethoxy-4-methyl-2H-chromen-2-one 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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