3-Mercapto-1,2-propanediol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 96-27-5 |
| Product name | 3-Mercapto-1,2-propanediol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeCosmetic GradeFood 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-Mercapto-1,2-propanediol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Mercapto-1,2-propanediol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Mercapto-1,2-propanediol
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of antiviral drugs (e.g., acyclovir analogues) | Acts as a thiol donor in nucleophilic substitution reactions to construct sulfur-containing heterocyclic structures |
| Cosmetics | Antioxidant and skin-conditioning agent in skincare products | Incorporated into emulsions or serums to scavenge free radicals via its thiol group, thereby enhancing skin barrier function |
| Biochemical Research | Thiol-protecting agent and reducing agent for proteins | Prevents disulfide bond formation during protein purification or electrophoresis sample preparation, thereby maintaining protein activity |
| Agricultural Chemicals | Intermediate in the synthesis of sulfur-containing pesticides | Participates in constructing biologically active thiophosphate ester or thioether structures |
| Polymers & Materials | Component of epoxy resin curing agents | Reacts with epoxy groups via its thiol functionality to promote crosslinking and enhance material toughness |
Manufacturing Quality Control of 3-Mercapto-1,2-propanediol
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color and physical state of the sample, which should be a colorless to pale yellow transparent liquid with no visible impurities. |
| Purity / Content Determination | Gas Chromatography (GC) | Utilizes capillary column gas chromatography with a flame ionization detector (FID). The content of 1-thioglycerol is determined by external standard or internal standard method, offering high resolution and sensitivity. |
| High-Performance Liquid Chromatography (HPLC) | Applicable for thermally unstable or non-volatile substances. Quantitative analysis is performed using a reversed-phase C18 column with UV or refractive index detection. | |
| Water Content | Karl Fischer Titration | Based on the reaction between iodine and sulfur dioxide in an anhydrous environment with water, this method accurately measures trace amounts of moisture, suitable for sulfur-containing compounds. |
| Acid Value / Acidity | Acid-Base Titration | Titrate free acids in the sample with standardized sodium hydroxide solution, using phenolphthalein as indicator or potentiometric titration; acid value (mg KOH/g) is calculated. |
| Sulfur Content | Elemental Analysis (EA) or X-ray Fluorescence Spectroscopy (XRF) | Determines total sulfur content via combustion-infrared detection or XRF, verifying whether the sulfur element ratio matches the theoretical value. |
| Heavy Metal Residues | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Detects toxic metal impurities such as lead, arsenic, mercury, and cadmium to ensure compliance with pharmacopoeial or industrial standards. |
| Residual Solvents | Gas Chromatography (GC) | Tests for organic solvents (e.g., methanol, ethanol, acetone) potentially remaining from production processes according to ICH guidelines, using headspace injection. |
| Odor | Sensory Evaluation | Assessed by trained personnel for the characteristic sulfurous odor typical of thiols, used to assist in determining degradation or contamination. |
| Density | Density Meter Method or Specific Gravity Bottle Method | Measures liquid density at a specified temperature (e.g., 20°C) for physical property verification. |
| Refractive Index | Refractometry | Determined using an Abbe refractometer under specific temperature conditions, serving as an auxiliary indicator of purity. |
Technical Specifications of 3-Mercapto-1,2-propanediol
| Test Item | Specification |
|---|---|
| Appearance | Colorless to almost colorless, clear liquid |
| Purity | >=98.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Acid Value (mg KOH/g) | <=2.0 |
| Refractive Index (n20/D) | 1.525 - 1.535 |
| Relative Density (20°C/25°C) | 1.245 - 1.265 g/cm³ |
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-Mercapto-1,2-propanediol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Mercapto-1,2-propanediol
Packaging of 3-Mercapto-1,2-propanediol
Industrial 3-Mercapto-1,2-propanediol 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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