7-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1809036-19-8 |
| Product name | 7-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty GradeReagent GradeCosmetic GradeFood 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-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 7-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 7-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used in the synthesis of pharmaceutical intermediates | Organic synthesis, separation processes |
| Fine chemicals | Raw material for fine chemical production | Synthesis processes |
| Pesticides | Used in insecticide synthesis | Synthesis processes |
| Dyes | Dye intermediate | Synthesis processes |
| Fragrances | Used in fragrance synthesis | Synthesis processes |
| Laboratory research | Fluorescent labeling or catalysis | Laboratory synthesis, testing processes |
Manufacturing Quality Control of 7-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine
| 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-UV/DAD or UPLC-MS | Separation and identification of impurities (e.g., starting materials, intermediates, degradation products) using gradient HPLC with diode-array or mass spectrometric detection. |
| Residual Solvents | GC-FID or GC-MS | Headspace gas chromatography with flame ionization or mass spectrometric detection to quantify volatile organic solvents (e.g., methanol, acetone, DMF) per ICH Q3C guidelines. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic elements (e.g., Pb, Cd, As, Hg) after acid digestion, achieving sub-ppb sensitivity per ICH Q3D. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration measuring water via iodine generation and stoichiometric reaction with sample moisture. |
| Residue on Ignition (Sulfated Ash) | Gravimetric Analysis | Incineration at 700–800 °C followed by weighing of inorganic residue after sulfuric acid treatment per USP <281>. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample using Mie scattering theory to determine D10, D50, D90 values per ISO 13320. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement via controlled heating; onset and range indicate crystallinity and purity per USP <741>. |
Technical Specifications of 7-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Melting Point | 142–146°C |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 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-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 7-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine
Safety Information of 7-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 7-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine
Industrial 7-methyl-5-nitro-2,3-dihydrobenzo[b][1,4]dioxine 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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