1,7-DIAMINOHEPTANE Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 646-19-5 |
| Product name | 1,7-DIAMINOHEPTANE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 1,7-DIAMINOHEPTANE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,7-DIAMINOHEPTANE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,7-DIAMINOHEPTANE
| Industry | Application | Process |
|---|---|---|
| Polyamide Industry | Synthesis of high-performance polyamide (nylon) resins (e.g., PA-7,7 or PA-7,6) | Condensation polymerization with dicarboxylic acids (e.g., pimelic acid or adipic acid) |
| Polyurethane Industry | Used as a chain extender or crosslinker for polyureas or polyurethanes | Step-growth addition polymerization or chain extension with diisocyanates |
| Fine Chemicals/Intermediates | Synthesis of specialty monomers, functional polymers, or pharmaceutical intermediates | Functional group protection/deprotection, reductive amination, or other organic synthetic transformations |
| Epoxy Resin Curing Agent | Used as a raw material for modified aliphatic amine curing agents | Ring-opening addition reaction with epoxy groups in epoxy resins |
| Textile Dyeing & Printing / Daily Chemicals | Raw material for synthesizing fabric softeners, antistatic agents, or surfactants | Quaternization or grafting with hydrophobic/hydrophilic functional groups |
Manufacturing Quality Control of 1,7-DIAMINOHEPTANE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a polar capillary column. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in methanol-based solvent. |
| Color | Visual Comparison or Spectrophotometry (APHA scale) | Comparison of sample color to platinum-cobalt standard solutions or measurement of absorbance at 430 nm. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities by standardized sodium hydroxide solution using phenolphthalein indicator. |
| Amine Value | Acid-Base Titration with HCl | Back-titration after acylation with acetic anhydride to determine total primary and secondary amine content. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after controlled high-temperature ashing in a muffle furnace. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring absorbance at element-specific wavelengths. |
| Chloride Content | Potentiometric Titration with AgNO3 | Determination of chloride ions by silver nitrate titration using a silver indicator electrode. |
| Density | Digital Density Meter | Measurement of mass per unit volume at specified temperature using oscillating U-tube principle. |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface using calibrated prism instrument at 20 C. |
| Boiling Range | Gas Chromatography (GC) or Distillation Apparatus | GC: retention time profiling; Distillation: ASTM D1078 method for initial and final boiling points under reduced pressure. |
| Organic Impurities (Related Substances) | High-Performance Liquid Chromatography (HPLC) with UV detection | Separation and quantification of structurally related compounds using reversed-phase C18 column and UV absorbance at 200-220 nm. |
Technical Specifications of 1,7-DIAMINOHEPTANE
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 36-40°C |
| Odor | Characteristic amine odor |
| Solubility | Soluble in water, ethanol, and chloroform |
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 1,7-DIAMINOHEPTANE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,7-DIAMINOHEPTANE
Packaging of 1,7-DIAMINOHEPTANE
Industrial 1,7-DIAMINOHEPTANE 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