1,8-Octanediol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 629-41-4 |
| Product name | 1,8-Octanediol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial 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 1,8-Octanediol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,8-Octanediol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,8-Octanediol
| Industry | Application | Process |
|---|---|---|
| Chemical Intermediates | Monomer for synthesizing polyurethanes and polyester polyols | Undergoes condensation polymerization with diisocyanates or dicarboxylic acids |
| Surfactants | Production of nonionic surfactants (e.g., capryl alcohol ethoxylates) | Undergoes addition reaction with ethylene oxide |
| Personal Care & Cosmetics | Used as a humectant, solvent, and viscosity-enhancing aid | Directly incorporated into emulsions, creams, and other formulations as a polyol-based humectant |
| Pharmaceuticals | Synthesis of antimicrobial agents (e.g., quinolone derivatives) and drug delivery carriers | Serves as a chiral intermediate in organic synthesis steps such as cyclization and substitution |
| Coatings | Enhances coating flexibility, adhesion, and flow leveling | Acts as a comonomer in copolymerization with acrylic monomers or as a crosslinking modifier |
Manufacturing Quality Control of 1,8-Octanediol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 1,8-octanediol by comparing peak area to a calibrated standard curve. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration using iodine-based redox reaction. |
| Acidity (as Acetic Acid) | Acid-Base Titration with NaOH | Determines acidic impurities by titration with standardized sodium hydroxide solution. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 430 nm | Evaluates yellowness by matching sample color to APHA platinum-cobalt scale or measuring absorbance. |
| Residue on Ignition | Gravimetric Analysis after High-Temperature Ashing | Measures non-volatile inorganic residue remaining after combustion at 700-800 C. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals by atomizing the sample and measuring absorption of characteristic wavelengths. |
| Chloride Content | Ion Chromatography (IC) or Potentiometric Titration | Separates and quantifies chloride ions using ion exchange column or silver nitrate titration with indicator electrode. |
| Refractive Index | Refractometry at 20 C | Measures light bending angle in liquid sample to infer purity and concentration. |
| Specific Gravity | Digital Density Meter or Pycnometry | Determines mass per unit volume relative to water at specified temperature. |
| Flash Point | Cleveland Open Cup (COC) Method | Identifies lowest temperature at which vapors ignite in presence of flame under standardized conditions. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range over which solid transitions to liquid using controlled heating. |
| Volatile Impurities | Headspace Gas Chromatography-Mass Spectrometry (HS-GC-MS) | Detects and identifies low-boiling organic contaminants by GC separation and MS detection. |
Technical Specifications of 1,8-Octanediol
| Test Item | Specification |
|---|---|
| Appearance | White Solid |
| Purity | ≥98.0% |
| Water | ≤0.5% |
| Acid value(mg KOH/g) | ≤1 |
| Saponification value(mg KOH/g) | ≤3 |
| Melting point | 57~61°C |
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 1,8-Octanediol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,8-Octanediol
Packaging of 1,8-Octanediol
Industrial 1,8-Octanediol 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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