12-HYDROXYSTEARIC ACID Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 36377-33-0 |
| Product name | 12-HYDROXYSTEARIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial 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 12-HYDROXYSTEARIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 12-HYDROXYSTEARIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 12-HYDROXYSTEARIC ACID
| Industry | Application | Process |
|---|---|---|
| Cosmetics | As an emulsifier and stabilizer | Prepared via transesterification |
| Plastics Industry | For polyurethane plastic production | Reacted with polyols to form ester compounds |
| Coatings Industry | As a coating additive | Esterified with polyols to form ester compounds |
Manufacturing Quality Control of 12-HYDROXYSTEARIC ACID
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Acid Value | Acid-Base Titration | Neutralization of free carboxylic acid groups with standardized KOH solution using phenolphthalein indicator. |
| Saponification Value | Acid-Base Titration | Total ester and free acid content determined by refluxing with excess KOH, followed by back-titration. |
| Iodine Value | Wijs Method | Addition of iodine monochloride to double bonds in unsaturated chains, followed by titration of unreacted iodine. |
| Hydroxyl Value | Acetylation Titration | Esterification of hydroxyl groups with acetic anhydride, followed by hydrolysis and titration of liberated acetic acid. |
| Moisture Content | Karl Fischer Titration | Electrochemical determination of water via reaction of iodine, sulfur dioxide, and water in pyridine/methanol medium. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample color against platinum-cobalt standard solutions at 455 nm using APHA scale. |
| Melting Point | Capillary Melting Point Determination | Thermal transition observed as solid-to-liquid phase change in a calibrated capillary apparatus. |
| Purity (by GC) | Gas Chromatography (GC-FID) | Separation and quantification of 12-hydroxystearic acid relative to internal/external standards using flame ionization detection. |
| Residue on Ignition | Gravimetric Analysis | Mass of non-volatile inorganic residue remaining after high-temperature ashing in a muffle furnace. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after wet digestion, measured by absorption of characteristic atomic line radiation. |
| Free Glycerol | Gas Chromatography (GC-FID) | Derivatization followed by separation and detection of glycerol impurity using flame ionization detector. |
| Refractive Index | Refractometry | Measurement of light bending angle at air-sample interface at specified temperature (e.g., 25 C) using Abbe refractometer. |
Technical Specifications of 12-HYDROXYSTEARIC ACID
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow flake solid |
| Hydroxyl value(mg KOH/g) | ≥150 |
| Iodine value(I2g/100g) | ≤3.0 |
| Acid value(mg KOH/g) | 175~186 |
| Water | ≤1.0% |
| Saponification value(mg KOH/g) | 180～190 |
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 12-HYDROXYSTEARIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 12-HYDROXYSTEARIC ACID
Industrial 12-HYDROXYSTEARIC ACID 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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