5-BROMO-PYRAZINE-2,3-DIAMINE Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 89123-58-0 |
| Product name | 5-BROMO-PYRAZINE-2,3-DIAMINE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for 5-BROMO-PYRAZINE-2,3-DIAMINE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-BROMO-PYRAZINE-2,3-DIAMINE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-BROMO-PYRAZINE-2,3-DIAMINE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used in the synthesis of antitumor, antibacterial, or antiviral drug molecules | Employed as a nitrogen-containing heterocyclic building block in multistep organic synthesis, e.g., condensation with carboxylic acids, acid chlorides, or aldehydes/ketones to construct target molecular frameworks |
| Pesticide Development | Synthesis of novel, high-efficacy insecticidal or fungicidal active ingredients | Bromine sites introduced via nucleophilic substitution or coupling reactions to enhance biological activity or selectivity |
| Materials Science | Construction of functionalized organic semiconductors or fluorescent probes | Amino and bromo groups utilized in cross-coupling reactions (e.g., Suzuki, Buchwald–Hartwig) to modify conjugated systems |
| Chemical Research | Used as a high-value heterocyclic synthon in methodology development | Participates in cyclization, oxidation, or metal-catalyzed reactions to explore new reaction pathways or evaluate catalyst performance |
Manufacturing Quality Control of 5-BROMO-PYRAZINE-2,3-DIAMINE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using HPLC coupled with diode-array detection; peak purity assessed by spectral comparison. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify common solvents (e.g., methanol, acetone, DMF) based on retention time and calibration curves. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent; water reacts stoichiometrically with iodine and sulfur dioxide in pyridine/methanol medium. |
| Heavy Metals | ICP-MS | Multi-element quantification of Pb, Cd, Hg, As, and other toxic metals after acid digestion, using inductively coupled plasma mass spectrometry for sub-pptr sensitivity. |
| Chloride Impurity | Ion Chromatography | Separation of anions on anion-exchange column with suppressed conductivity detection; chloride quantified via external calibration. |
| Sulfate Impurity | Ion Chromatography | Same platform as chloride analysis; sulfate eluted and quantified using conductivity detection and calibration standards. |
| Residue on Ignition | Gravimetric Analysis | Sample ignited at 700-800 C; non-volatile residue weighed after cooling in desiccator to determine inorganic ash content. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as the temperature range at which solid transforms to liquid under controlled heating rate. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution; indicates chiral purity and identity confirmation. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity versus angle to calculate volume-based particle size distribution in dispersed dry or wet sample. |
| Bulk and Tapped Density | Powder Rheometry | Determination of mass per unit volume before and after standardized mechanical tapping to assess flowability and compaction behavior. |
Technical Specifications of 5-BROMO-PYRAZINE-2,3-DIAMINE
| Test Item | Specification |
|---|---|
| Appearance | Brown solid |
| Purity | >=99.0% (by LC-MS) |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.3% |
| Water Content (KF) | <=0.5% |
| Melting Point | 245–249 °C |
| Identification (NMR) | Consistent with structure |
| 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
|
|
Download COA of 5-BROMO-PYRAZINE-2,3-DIAMINE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-BROMO-PYRAZINE-2,3-DIAMINE
Packaging of 5-BROMO-PYRAZINE-2,3-DIAMINE
Industrial 5-BROMO-PYRAZINE-2,3-DIAMINE 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply