1,2-Octanediol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1117-86-8 |
| Product name | 1,2-Octanediol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeCosmetic GradeFood Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 1,2-Octanediol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,2-Octanediol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,2-Octanediol
| Industry | Applications | Process |
|---|---|---|
| Cosmetics | Humectant, preservative, skin-conditioning agent | Dissolved in the aqueous phase or oil-in-water systems; commonly used in formulations for emulsions, creams, and serums to enhance antimicrobial efficacy in synergy with preservative systems |
| Pharmaceuticals | Solvent, stabilizer, drug carrier | Used as an excipient in drug formulations to improve solubility and stability of active pharmaceutical ingredients; commonly applied in topical or oral liquid dosage forms |
| Personal Care | Solubilizer for cleansing products, skin-feel modifier | Added to cleansing products such as body washes and facial cleansers to improve sensory attributes and enhance synergistic effects with surfactants |
| Industrial | High-boiling-point solvent, antifreeze component | Applied in coatings, inks, and cleaners as a low-toxicity, high-boiling-point solvent to replace ethylene glycol–based materials, thereby improving product safety and environmental compatibility |
| Pesticides | Solubilizing aid, emulsion stabilizer | Used as a solubilizing aid in aqueous pesticide formulations to promote uniform dispersion of active ingredients, enhancing formulation stability and spray performance |
Manufacturing Quality Control of 1,2-Octanediol
| Test Item | Common Test Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | The sample is placed in a transparent glass container and visually inspected under natural or standard light for color and clarity, to determine if it is a clear liquid ranging from colorless to light yellow, and to check for any suspended particles or precipitates. |
| Content (Purity) | Gas Chromatography (GC) | A capillary column (e.g., DB-5, HP-INNOWax) and a hydrogen flame ionization detector (FID) are used, with internal or external standard quantification. The 1,2-octanediol content is determined based on retention time for qualitative analysis and peak area for quantitative analysis; typically a purity ≥98% is required. |
| Water Content | Karl Fischer Titration | Iodine reacts quantitatively with sulfur dioxide in a solvent (e.g., methanol/ethylene glycol) in the presence of water. Water content is determined by coulometric or volumetric titration, suitable for trace moisture detection (ppm level). |
| Acid Value | Acid-Base Titration | The sample is dissolved in ethanol or isopropanol and titrated with a standard sodium hydroxide solution, using phenolphthalein or potentiometric endpoint detection. The acid value is expressed as milligrams of KOH consumed per gram of sample (mg KOH/g), indicating free acid content. |
| Color | Platinum-Cobalt Colorimetry (APHA) | The sample is compared visually or instrumentally with a platinum-cobalt standard color scale to measure color intensity. It is commonly used to evaluate the degree of purification; typically a limit of ≤30 APHA units is required. |
| Density | Density Meter or Pycnometer Method | At a specified temperature (e.g., 20°C), the mass per unit volume is measured using a density meter or pycnometer to verify sample consistency. |
| Refractive Index | Refractometry | The refractive index (n20D) is measured using an Abbe refractometer at a standard temperature (e.g., 20°C), serving as a physical constant for identification and purity assessment. |
| Residual Solvents | Gas Chromatography (GC) | Headspace sampling coupled with gas chromatography (HS-GC) is used to detect residual organic solvents (e.g., methanol, ethanol, acetone) from the manufacturing process. Limits are controlled according to ICH guidelines. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After sample digestion, the contents of heavy metals such as lead, arsenic, mercury, and cadmium are determined to ensure compliance with safety standards for pharmaceutical or cosmetic raw materials (e.g., ≤10 ppm). |
| Microbial Limits | Microbial Limit Testing | Testing for total aerobic microbial count, total mold and yeast count, and specified microorganisms (e.g., Escherichia coli) is performed according to the Chinese Pharmacopoeia or ISO standards, applicable for cosmetic or pharmaceutical excipient use. |
Technical Specifications of 1,2-Octanediol
| Test Item | Specification |
|---|---|
| Appearance | Colorless to light yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.452–1.456 |
| Relative Density (20°C/25°C) | 0.935–0.945 g/cm³ |
| Odor | Characteristic mild 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 1,2-Octanediol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,2-Octanediol
Packaging of 1,2-Octanediol
Industrial 1,2-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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