Tetraheptylammonium bromide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4368-51-8 |
| Product name | Tetraheptylammonium bromide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 Tetraheptylammonium bromide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Tetraheptylammonium bromide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Tetraheptylammonium bromide
| Industry | Application | Process |
|---|---|---|
| Chemical Research | Phase-transfer catalyst | Applied to facilitate reactions between organic and aqueous phases, enhancing reaction rate and selectivity |
| Materials Science | Templating agent | Used as a structure-directing agent in the synthesis of mesoporous materials or nanostructures |
| Electrochemistry | Electrolyte additive | Applied in specific electrochemical systems to improve ionic conductivity and stability |
| Organic Synthesis | Quaternary ammonium salt intermediate | Participates in quaternization reactions to produce functional ionic liquids or other derivatives |
Manufacturing Quality Control of Tetraheptylammonium bromide
| Test Item | Common Testing Method | Method Description |
|---|---|---|
| Content (Purity) | High-Performance Liquid Chromatography (HPLC) | Uses a C18 reverse-phase chromatographic column with methanol-water (or buffer salt) as the mobile phase. The UV detector detects the main component of tetraoctylammonium bromide using an external standard or internal standard method for quantitative analysis, suitable for separating impurities and determining purity. |
| Content (Titration) | Non-aqueous Titrimetry / Precipitation Titrimetry | Non-aqueous titration: In acetic acid medium, perchloric acid standard solution is used to titrate the basic nitrogen in quaternary ammonium salts; Precipitation titration: Silver nitrate standard solution is used to titrate bromide ions, with endpoint determination by potentiometry or indicators (e.g., fluorescein), suitable for rapid determination of total bromide content. |
| Bromide Ion Content | Ion Chromatography (IC) | Uses an anion exchange column with sodium hydroxide or carbonate eluent to wash out bromide ions, detected by a conductivity detector. It accurately measures free bromide ion impurities to evaluate synthesis completeness and purification level. |
| Moisture Content | Karl Fischer Titration | Utilizes iodine, sulfur dioxide, pyridine, and methanol, which react quantitatively in the presence of water. Electrochemical or volumetric methods are used to determine trace moisture in the sample, ensuring product dryness and preventing hydrolysis or storage stability issues. |
| Organic Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Suitable for detecting residual octanol, octylamine, or other organic precursors and by-products. After derivatization, samples are injected for qualitative and quantitative analysis via mass spectrometry, assessing process cleanliness. |
| Melting Point | Melting Point Apparatus | Determines the melting point range (theoretical value approximately 70–85°C), used to preliminarily judge purity. Impurities may lower the melting point or broaden the melting range. |
| Appearance and Color | Visual Inspection / Colorimeter Measurement | Observes whether the solid is white to off-white crystalline powder without visible foreign matter; uses a colorimeter (e.g., APHA or Hazen units) to quantify slight yellowness, evaluating refinement level. |
| Solubility | Solubility Determination | Determines solubility in water, ethanol, acetone, and other solvents, meeting pharmacopoeia or enterprise standards (e.g., soluble in water, slightly soluble in ethanol), used to verify consistency of physicochemical properties. |
| Conductivity | Conductivity Meter | Measures the conductivity of a certain concentration (e.g., 1% w/v) aqueous solution, reflecting ionic strength and impurity ion (e.g., Cl⁻, SO₄²⁻) contamination, used for batch-to-batch consistency control. |
| Heavy Metal Residue | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, AAS or ICP-MS is used to determine heavy metal contents such as lead, cadmium, mercury, and arsenic, ensuring compliance with pharmaceutical or electronic-grade standards (e.g., ICH Q3D). |
Technical Specifications of Tetraheptylammonium bromide
| Test Item | Specification |
|---|---|
| Appearance | White to almost white powder or crystals |
| Purity | >=98.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 102–106°C |
| Total Impurities | <=1.5% |
| 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 Tetraheptylammonium bromide
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NMR Spectra of Tetraheptylammonium bromide
Packaging of Tetraheptylammonium bromide
Industrial Tetraheptylammonium bromide 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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