3-Mercaptobutyric acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 26473-49-4 |
| Product name | 3-Mercaptobutyric acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 3-Mercaptobutyric acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Mercaptobutyric acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Mercaptobutyric acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates for sulfur-containing active molecules (e.g., certain antiviral or cardiovascular drugs) | Acts as a nucleophile in condensation, esterification, or amidation reactions to construct thiol-containing pharmacophores |
| Agrochemicals | Synthesis of intermediates for pesticides or plant growth regulators | Introduces thiol functional groups via reaction with heterocyclic compounds or alkyl halides to enhance biological activity |
| Polymers & Materials | Used as a chain-transfer agent or crosslinker in polymerization | Controls molecular weight distribution in free-radical polymerization or constructs network structures via thiol-ene click chemistry |
| Fine Chemicals | Synthesis of intermediates for fragrances, chelating agents, or surfactants | Leverages bifunctionality of carboxyl and thiol groups for derivatization reactions, such as thioester formation or metal complexation |
Manufacturing Quality Control of 3-Mercaptobutyric acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 3-mercaptobutanoic acid by retention time and peak area against a certified reference standard. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration based on iodine-sulfur dioxide reaction in pyridine/methanol medium. |
| Acidity (as H2SO4) | Acid-Base Titration with NaOH | Determines total acidic impurities by neutralization with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Specific Gravity | Digital Density Meter | Measures density relative to water at 20 degrees C using oscillating U-tube principle. |
| Refractive Index | Refractometry | Determines refractive index at 20 degrees C using sodium D-line light and critical angle measurement. |
| Color (APHA) | Visual Comparison or Spectrophotometric APHA | Evaluates yellowness by matching sample color to platinum-cobalt standard solutions or measuring absorbance at 455 nm. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing and weighing. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals by atomization and absorption of element-specific wavelengths in graphite furnace or flame mode. |
| Sulfur Content | Combustion IC (Ion Chromatography) | Oxidizes organic sulfur to sulfate, followed by anion separation and conductivity detection. |
| Odor Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Identifies and semi-quantifies volatile sulfur-containing impurities (e.g., disulfides, thiols) via mass spectral library matching. |
| Chloride Content | Potentiometric Titration with AgNO3 | Detects chloride ions by silver nitrate titration using silver/silver chloride electrode endpoint detection. |
| Appearance | Visual Inspection | Assesses physical state, clarity, and presence of suspended particles or phase separation under controlled lighting conditions. |
Technical Specifications of 3-Mercaptobutyric acid
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Acid Value (mg KOH/g) | 175–185 |
| Refractive Index (n20/D) | 1.465–1.475 |
| Relative Density (20°C/25°C) | 1.075–1.085 g/cm³ |
| Odor | Characteristic sulfurous odor |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
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 3-Mercaptobutyric acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Mercaptobutyric acid
Packaging of 3-Mercaptobutyric acid
Industrial 3-Mercaptobutyric 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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