China Factory Direct
|
|
| CAS number | 5989-54-8 |
| Product name | (S)-(-)-LIMONENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeSpecialty 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Food Industry | Food additive, flavoring agent | Extracted and purified for use as a flavoring agent in food products |
| Cosmetics Industry | Fragrance ingredient | Used in perfume and skincare formulations following synthesis or extraction |
| Pharmaceutical Industry | Synthetic intermediate for drug manufacturing | Converted into active pharmaceutical ingredients via chemical reactions |
| Cleaning Products Industry | Environmentally friendly solvent | Directly incorporated as a solubilizing component in cleaning product formulations |
| Agriculture | Raw material for biopesticides | Serves as a base raw material for synthesizing bioactive compounds |
| Chemical Industry | Feedstock for synthesis of other chemicals | Converted into terpenoid derivatives via catalytic reactions |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (purity) | Gas Chromatography (GC) with FID | Quantitative separation and detection of (-)-limonene based on retention time and peak area relative to a calibration curve. |
| Optical Rotation | Polarimetry | Measures the angle of rotation of plane-polarized light caused by chiral (-)-limonene in solution, indicating enantiomeric purity. |
| Specific Gravity | Pycnometry or Digital Density Meter | Determines mass per unit volume at specified temperature (e.g., 20 degC) using calibrated glass pycnometer or oscillating U-tube principle. |
| Refractive Index | Refractometry | Measures bending of light passing through sample at controlled temperature; correlates with molecular composition and purity. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration where iodine reacts stoichiometrically with water in anhydrous methanol/pyridine medium. |
| Residue on Evaporation | Gravimetric Analysis | Sample is evaporated under controlled conditions and residual non-volatile matter is weighed after drying. |
| Acid Value | Acid-Base Titration | Titration of free carboxylic acids (if present as oxidation products) with standardized KOH solution using phenolphthalein indicator. |
| Peroxide Value | Iodometric Titration | Oxidation of potassium iodide by peroxides releases iodine, which is titrated with standardized sodium thiosulfate solution. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies trace metal impurities by measuring absorption of element-specific wavelengths of light in atomized sample vapor. |
| Non-Volatile Matter | Gravimetric Analysis | Sample is heated to remove volatiles; residue is dried and weighed to assess insoluble or high-boiling contaminants. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Compares sample color intensity against platinum-cobalt standard solutions using APHA scale; measured at 455 nm if instrumental. |
| Residual Solvents | Gas Chromatography (GC) with Headspace Sampling | Volatile solvents are partitioned into headspace and quantified via GC-FID or GC-MS using internal standards. |
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow liquid |
| Purity | >=98.5% (GC-MS) |
| Optical Rotation | -113.0° to -107.0° (c=10, in ethanol) |
| Refractive Index (n20/D) | 1.460 to 1.464 |
| Relative Density (20°C/25°C) | 0.838 to 0.844 g/cm³ |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Odor | Characteristic citrus odor |
|
|
|
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.