2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 583-91-5 |
| Product name | 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID
| Industry | Application | Process |
|---|---|---|
| Animal Feed Additives | Methionine substitute for supplementing sulfur-containing amino acids in animal feed | Directly blended into compound feed as a nutritional fortificant |
| Pharmaceutical Intermediates | Precursor for synthesizing sulfur-containing amino acid-based drugs or bioactive molecules | Integrated into drug molecule construction via condensation, esterification, or other organic synthesis reactions |
| Chemical Research | Model compound for chiral synthesis and biochemical studies | Used in enzyme-catalyzed reactions, metabolic pathway studies, or as a reference standard for analytical testing |
Manufacturing Quality Control of 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Content Determination | High-Performance Liquid Chromatography (HPLC) | A reverse-phase C18 chromatographic column and a UV detector (typically at around 210 nm) are used with phosphate buffer-methanol as the mobile phase. The content of the main component is quantified using an external standard method or internal standard method. This method is accurate and has good reproducibility, making it the mainstream quantitative method. |
| Purity Analysis | High-Performance Liquid Chromatography (HPLC) | Based on content determination, the purity of the main peak is evaluated using the normalized area method to detect possible organic impurities (such as oxidation products and degradation products). |
| Water Content | Karl Fischer Titration | The principle involves the reaction between iodine and sulfur dioxide in an anhydrous environment with water to accurately determine the water content in the sample. It is suitable for both liquid and solid samples. |
| pH Value | pH Meter Measurement Method | The sample is prepared into a solution of certain concentration (e.g., 1% w/v), and its acidity is directly measured using a calibrated pH meter to reflect the strength of the product's acidity. |
| Specific Rotation | Polarimeter Measurement Method | The sample is dissolved in water and the optical rotation angle is measured using a polarimeter under sodium light (589 nm). This is used for identification and evaluation of optical purity (since this compound is chiral). |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, residual heavy metals such as lead, arsenic, mercury, and cadmium are determined to ensure compliance with feed or food-grade safety standards. ICP-MS offers higher sensitivity. |
| Sulfur Content | Elemental Analysis or Oxygen Bomb Combustion-Titration Method | Total sulfur content is directly measured using an elemental analyzer, or organic sulfur is converted into sulfate via oxygen bomb combustion and then determined by titration to verify the presence of the methylthio group in the structure. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Optimized chromatographic conditions are used to separate and identify potential impurities, such as 2-hydroxy-4-(methylthio)butyl methyl ester, oxidation byproducts (sulfoxides, sulfones), dimers, etc. |
| Appearance and Properties | Visual and Physical Inspection Method | Observe the sample's color (usually a colorless to pale yellow liquid), clarity, odor, etc., to determine if it conforms to specified properties. |
| Density | Densitometer or Pycnometer Method | The density of the liquid sample is measured at a specified temperature (e.g., 20°C) for quality consistency control. |
Technical Specifications of 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID
| Test Item | Specification |
|---|---|
| Appearance | Yellow liquid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Acid Value (mg KOH/g) | 175.0 - 185.0 mg KOH/g |
| Optical Rotation | -15.0 to -25.0 deg (c=1, H2O) |
| Odor | Characteristic sulfurous 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 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID
Safety Information of 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID
Industrial 2-HYDROXY-4-(METHYLTHIO)BUTYRIC 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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