DL-A-HYDROXYSTEARIC ACID Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 629-22-1 |
| Product name | DL-A-HYDROXYSTEARIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeFood GradeCosmetic Grade |
| Packaging | 25KG/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 DL-A-HYDROXYSTEARIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk DL-A-HYDROXYSTEARIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of DL-A-HYDROXYSTEARIC ACID
| Industry | Application | Process |
|---|---|---|
| Personal Care & Cosmetics | As an emulsifier and stabilizer | Used in emulsions and creams to control texture and ensure stability |
| Pharmaceutical Formulations | As a pharmaceutical intermediate | Applied in the synthesis of certain antibiotics or anti-inflammatory agents |
| Food Industry | As a food additive | Applied to enhance mouthfeel and product stability |
| Household & Industrial Cleaning | As a surfactant | Used in cleaning products and shampoos |
| Materials Science | As a polymer modifier | Applied to enhance the performance of plastics and resins |
Manufacturing Quality Control of DL-A-HYDROXYSTEARIC ACID
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration with NaOH | Neutralization of carboxylic acid group with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Acid Value | Acid-Base Titration with KOH | Quantification of free carboxylic acid groups by titration with potassium hydroxide in ethanol. |
| Saponification Value | Back Titration after KOH Reflux | Measurement of total ester + acid content via alkaline hydrolysis followed by titration of excess alkali. |
| Iodine Value | Wijs Method (Titration) | Determination of unsaturation by addition of iodine monochloride to double bonds, followed by iodometric titration. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration based on the reaction of water with iodine, sulfur dioxide, and a base in methanol. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantitative measurement of metal impurities by absorption of characteristic wavelength light by ground-state atoms in flame. |
| Residue on Ignition | Gravimetric Analysis | Determination of inorganic ash content by high-temperature incineration and weighing of residual material. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition detection by observing solid-to-liquid phase change in a capillary tube under controlled heating. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Evaluation of yellowness intensity by matching sample color to APHA platinum-cobalt standard solutions or measuring absorbance at 430 nm. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light caused by chiral centers in solution at specified concentration and path length. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and quantification of volatile organic contaminants using capillary column and flame ionization detection. |
| Residual Solvents (e.g., Ethanol, Hexane) | Headspace Gas Chromatography (HS-GC) | Extraction and analysis of low-boiling solvents via equilibrium vapor phase above sample in sealed vial. |
Technical Specifications of DL-A-HYDROXYSTEARIC ACID
| Test Item | Specification |
|---|---|
| Appearance | White powder |
| Purity | ≥98.0% |
| Loss on drying | ≤1.0% |
| Melting point | 92~94°C |
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 DL-A-HYDROXYSTEARIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of DL-A-HYDROXYSTEARIC ACID
Packaging of DL-A-HYDROXYSTEARIC ACID
Industrial DL-A-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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