5-Hydroxyoctanoic acid lactone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 698-76-0 |
| Product name | 5-Hydroxyoctanoic acid lactone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeFood GradeCosmetic 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 5-Hydroxyoctanoic acid lactone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Hydroxyoctanoic acid lactone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-Hydroxyoctanoic acid lactone
| Industry | Application | Process |
|---|---|---|
| Fragrance Industry | Used in formulating food flavorings such as butter, coconut, and fruit flavors | Purified after synthesis for use in fragrance compounding |
| Food Industry | Used as a food additive to impart dairy and sweet notes | Added to confectionery, dairy products, and other foods in accordance with regulatory standards |
| Personal Care Industry | Used as a fragrance ingredient in perfumes and personal care products | Compounded with other fragrance materials for scent formulation |
| Chemical Synthesis | Used as an organic synthesis intermediate | Participates in chemical reactions such as esterification and condensation |
Manufacturing Quality Control of 5-Hydroxyoctanoic acid lactone
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Purity/Content Determination | Gas Chromatography (GC) | Separate γ-valerolactone using gas chromatography, and quantitatively analyze its purity or content by comparing retention time and peak area with a standard. Usually, a FID detector is used, which is suitable for volatile lactone compounds. |
| Identification Test | Gas Chromatography-Mass Spectrometry (GC-MS) | After separation by GC, the mass spectrometer performs qualitative analysis. The mass spectrum of the sample is compared with a standard library (such as NIST library) to confirm whether it is γ-valerolactone, offering high specificity and accuracy. |
| Moisture Content | Karl Fischer Titration | Use either volumetric or coulometric Karl Fischer titration to accurately determine the trace moisture content in the sample, suitable for fragrance products sensitive to moisture. |
| Refractive Index | Refractometer Method | Measure the refractive index of γ-valerolactone at a specified temperature (usually 20°C) using an Abbe refractometer, serving as an auxiliary identification and quality control parameter. |
| Relative Density | Density Bottle Method or Digital Densitometer Method | Calculate the relative density by measuring the mass of a certain volume of the sample, or directly read the relative density using an oscillating U-tube digital densitometer to assess product consistency. |
| Acid Value/Acidity | Acid-Base Titration | Titrate the free acid in the sample with a standard sodium hydroxide solution using phenolphthalein as an indicator, calculate the acid value (mg KOH/g), and evaluate the degree of oxidation or hydrolysis. |
| Color | Visual Color Comparison or Colorimeter Method | Compare the sample with a standard color solution (such as platinum-cobalt standard solution) or measure its colorimetric value (e.g., APHA/Hazen units) using a colorimeter to control appearance quality. |
| Residual Solvents | Headspace-Gas Chromatography (HS-GC) | Analyze possible residual organic solvents (such as ethanol, acetone, etc.) using headspace sampling combined with GC-FID detection, complying with the ICH Q3C guidelines. |
Technical Specifications of 5-Hydroxyoctanoic acid lactone
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.445–1.455 |
| Relative Density (20°C/25°C) | 0.935–0.945 g/cm³ |
| Odor | Characteristic fruity 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 5-Hydroxyoctanoic acid lactone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-Hydroxyoctanoic acid lactone
Safety Information of 5-Hydroxyoctanoic acid lactone
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 5-Hydroxyoctanoic acid lactone
Industrial 5-Hydroxyoctanoic acid lactone 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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