Octadecanethiol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2885-00-9 |
| Product name | Octadecanethiol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic 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 Octadecanethiol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Octadecanethiol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Octadecanethiol
| Industry | Application | Process |
|---|---|---|
| Chemical | Organic synthesis intermediate | Used in coupling and addition reactions as a thiol compound for synthesizing complex organic molecules |
| Materials Science | Preparation of self-assembled monolayers (SAMs) | Forms ordered monomolecular films on gold, silver, and other metal surfaces via thiol–metal bonding for surface modification and functionalization |
| Nanotechnology | Surface modification of nanoparticles | Modifies the surface of gold nanoparticles to control dispersion, stability, and interfacial properties |
| Electronics | Construction of molecular electronic devices | Acts as a molecular wire or linker to enable charge transport in molecular junctions |
| Biotechnology | Development of biosensors | Immobilizes biomolecules via self-assembled monolayers for constructing electrochemical or optical sensing platforms |
| Coatings & Surface Treatment | Corrosion-inhibiting additive in coatings | Leverages strong interaction with metal substrates to enhance coating adhesion and corrosion resistance |
Manufacturing Quality Control of Octadecanethiol
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance and Physical State | Visual Inspection | Observe the sample's color, physical state (typically a colorless to light yellow liquid or low melting-point solid), transparency, and presence of impurities. |
| Purity Analysis | Gas Chromatography (GC) | Separate components in the sample using gas chromatography; identify compounds by retention time and quantify via peak area normalization or external standard method to assess main component purity. Suitable for volatile thiols. |
| Structural Confirmation | Fourier Transform Infrared Spectroscopy (FT-IR) | Detect characteristic functional group absorption peaks, such as the —SH stretching vibration near 2550–2600 cm⁻¹ and C—S bond absorption around 600–700 cm⁻¹, to confirm molecular structure. |
| Functional Group Identification (—SH) | UV-Visible Spectrophotometry (UV-Vis) | React with Ellman’s reagent (DTNB) to form a yellow TNB anion; measure absorbance at 412 nm to quantify thiol (-SH) content. |
| Moisture Content | Karl Fischer Titration | Use coulometric or volumetric methods to accurately determine trace moisture levels, preventing adverse effects on thiol stability. |
| Acid Value / Acidic Impurities | Acid-Base Titration | Titrate free acid impurities (e.g., sulfonic acids formed by oxidation) with standardized sodium hydroxide solution and calculate acid value (mg KOH/g). |
| Melting Point or Boiling Point | Melting Point Determination / Differential Scanning Calorimetry (DSC) | Determine melting point range (e.g., octadecanethiol melts at approximately 45–48°C) to assess purity and crystalline consistency; DSC provides more precise phase transition data. |
| Residual Solvents | Gas Chromatography-Mass Spectrometry (GC-MS) | Detect organic solvents possibly remaining from synthesis (e.g., ethanol, toluene) to ensure compliance with safety standards. |
| Elemental Analysis (Sulfur Content) | Elemental Analyzer (CHNS/O Analysis) | Measure weight percentages of carbon, hydrogen, nitrogen, and sulfur to verify if elemental composition matches theoretical values (e.g., ~10.3% sulfur). |
| Thermal Stability | Thermogravimetric Analysis (TGA) | Monitor sample mass changes under programmed temperature increase to evaluate decomposition temperature and thermal stability, guiding storage and usage conditions. |
Technical Specifications of Octadecanethiol
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.5% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Melting Point | 47.0–49.0°C |
| Odor | Characteristic thiol odor |
| Acid Value (mg KOH/g) | <=0.5 mg KOH/g |
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 Octadecanethiol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Octadecanethiol
Packaging of Octadecanethiol
Industrial Octadecanethiol 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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