China Factory Direct
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| CAS number | 142-31-4 |
| Product name | Sodium octyl sulfate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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) |
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 |
|---|---|---|
| Surfactant Industry | Used as an anionic surfactant in detergents and cleaning agents | Applied directly or formulated with other surfactants |
| Cosmetics Industry | Used as an emulsion stabilizer and thickener | Formulated by blending |
| Pesticide Industry | Used as a pesticide adjuvant to enhance wetting and penetration properties | Formulated by blending |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Sodium Octyl Sulfate Content) | Acid-Base Titration with Standardized HCl | Quantifies active ingredient by back-titration after acid hydrolysis to release sulfate ions. |
| pH (1% aqueous solution) | Potentiometric pH Measurement | Measures hydrogen ion activity in dilute aqueous solution using calibrated pH electrode. |
| Water Content | Karl Fischer Coulometric Titration | Determines trace water via electrochemical iodine generation proportional to water content. |
| Sodium Sulfate (Na2SO4) Impurity | Ion Chromatography (IC) | Separates and quantifies sulfate anions using conductivity detection after ion exchange. |
| Free Alcohols (e.g., Octanol) | Gas Chromatography (GC-FID) | Separates and detects residual alcohol impurities based on volatility and flame ionization response. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measures absorbance of ground-state metal atoms vaporized in flame or graphite furnace. |
| Iron (Fe) Content | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Quantifies Fe by measuring characteristic atomic emission lines after plasma atomization. |
| Appearance (Color and Clarity) | Visual Inspection against Standard Solutions | Compares sample against platinum-cobalt color standards and assesses clarity in glass cell. |
| Surface Tension (0.1% solution at 25 C) | Du Noüy Ring Method | Measures force required to detach a platinum ring from liquid surface to determine interfacial tension. |
| Foam Height (Ross-Miles Method) | Ross-Miles Foam Test | Evaluates foaming capacity and stability by measuring foam height after standardized solution drop. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Determines non-volatile inorganic residue after high-temperature ashing and weighing. |
| Chloride (Cl-) Content | Potentiometric Titration with AgNO3 | Quantifies chloride via silver nitrate titration monitored by silver-ion selective electrode endpoint. |
| Test Item | Specification |
|---|---|
| Appearance | Light yellow clear liquid |
| Active content | 30.0%~35.0% |
| Solid content | 45.0%~50.0% |
| Water | 50.0%~55.0% |
| n-octanol | ≤1.0% |
| pH | 9~11 |
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| 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.