N-TETRACOSANE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 646-31-1 |
| Product name | N-TETRACOSANE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeCosmetic GradeFood 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 N-TETRACOSANE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-TETRACOSANE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-TETRACOSANE
| Industry | Application | Process |
|---|---|---|
| Chemical Raw Materials | Reference standard for gas chromatography (GC) calibration and retention time indexing | Used as an internal or external standard to establish normal alkane retention indices (e.g., Kováts index) in gas chromatographic analysis |
| Materials Science | Component of phase-change thermal energy storage materials | Blended with other long-chain alkanes to tailor phase-change temperature and latent heat for low-temperature thermal energy storage systems |
| Cosmetics | Oily matrix modifier and skin-feel enhancer | Formulated as a non-volatile emollient in creams and ointments to improve spreadability and residual film characteristics |
| Petroleum & Petrochemicals | Reference material for fuel and lubricant performance evaluation | Employed to simulate distillate composition and investigate the impact of carbon number distribution on combustion behavior and low-temperature fluidity |
Manufacturing Quality Control of N-TETRACOSANE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID | Quantifies n-tetracosane peak area relative to calibration standards using flame ionization detection. |
| Identity | Gas Chromatography-Mass Spectrometry (GC-MS) | Confirms molecular weight and fragmentation pattern matching reference n-tetracosane spectrum. |
| Water Content | Karl Fischer Titration | Measures water via stoichiometric reaction between iodine, sulfur dioxide, and water in pyridine/methanol medium. |
| Acid Value | Acid-Base Titration with KOH | Determines free acidic impurities by titration with standardized potassium hydroxide in ethanol. |
| Color | APHA Color Scale (Visual or Spectrophotometric) | Compares sample color to platinum-cobalt standard solutions using visual assessment or spectrophotometric absorbance at 430 nm. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing and weighing. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals after acid digestion by measuring atomic absorption of specific metal wavelengths. |
| Sulfated Ash | Gravimetric Analysis | Determines inorganic sulfate residue after sulfuric acid treatment and high-temperature ignition. |
| Melting Point | Capillary Melting Point Apparatus | Measures temperature range at which solid transitions to liquid using calibrated capillary tube method. |
| Refractive Index | Refractometry | Determines ratio of light velocity in air vs. sample at specified temperature (e.g., 20 C) using Abbe refractometer. |
| Specific Gravity | Digital Density Meter | Measures mass per unit volume relative to water at specified temperature using oscillating U-tube principle. |
| Volatile Impurities | Headspace Gas Chromatography (HS-GC) | Detects low-boiling contaminants by analyzing vapor phase above heated sample using GC-FID. |
Technical Specifications of N-TETRACOSANE
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.5% (GC-MS) |
| Melting Point | 49.0–51.0°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=10 ppm |
| Odor | Characteristic hydrocarbon odor |
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 N-TETRACOSANE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-TETRACOSANE
Packaging of N-TETRACOSANE
Industrial N-TETRACOSANE 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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