2,2'-Dithiosalicylic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 119-80-2 |
| Product name | 2,2'-Dithiosalicylic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 2,2'-Dithiosalicylic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,2'-Dithiosalicylic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,2'-Dithiosalicylic acid
| Industry | Application | Process |
|---|---|---|
| Chemical Analysis | Used as a colorimetric reagent or complexing agent for spectrophotometric detection of metal ions (e.g., copper, lead, mercury) | Forms colored complexes with metal ions in acidic or buffered solutions for quantitative analysis by colorimetry |
| Environmental Monitoring | Used for detection and quantification of heavy metal contaminants in water or soil samples | After sample pretreatment, dithiosalicylic acid is added for color development, followed by absorbance measurement using UV-Vis spectrophotometry |
| Biochemical Research | Used as a thiol reagent for modification or protection of –SH groups in proteins or enzymes | Reacts with thiol groups in biomolecules under controlled pH conditions to modulate activity or stability |
| Electroplating & Surface Treatment | Used as a complexing agent to assist in controlling metal deposition | Forms stable complexes with metal ions to regulate free metal ion concentration in plating baths, improving coating uniformity |
| Organic Synthesis | Used as an intermediate or ligand in transition-metal-catalyzed reactions | Coordinates with transition metals (e.g., Pd, Cu) to construct catalytic systems for C–S or C–C bond formation |
Manufacturing Quality Control of 2,2'-Dithiosalicylic acid
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance and Characteristics | Visual inspection, Microscopic observation | Observe the physical appearance characteristics such as color, crystal form, and particle condition of the sample using the naked eye or a microscope. |
| Infrared Spectroscopy (FT-IR) | Determine the infrared absorption spectrum of the sample using an infrared spectrometer and compare it with standard spectra to confirm the compound structure. | |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Analyze the chemical shifts and coupling of hydrogen atoms in the molecule using nuclear magnetic resonance technology to verify structural consistency. | |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Use reverse-phase HPLC with a C18 column for separation and UV detection (e.g., at 254 nm) for quantification, calculating the main component content using the external standard method. |
| Titration Method (e.g., Non-aqueous Titration) | In a non-aqueous solvent (e.g., glacial acetic acid), use perchloric acid as the titrant, and determine the endpoint using potentiometric or indicator methods to measure total acid content. | |
| Related Substances/Impurities | High-Performance Liquid Chromatography (HPLC) | Use gradient elution to separate and detect possible synthetic by-products, degradation products, and other impurities, quantifying them by area normalization or with correction factors. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Constant Temperature Drying Method | Dry the sample at a specified temperature (e.g., 105°C) until constant weight is achieved, calculate the percentage weight loss to assess water and volatile matter content. |
| Residue on Ignition/Total Ash | Incineration Method | Ignite the sample in a high-temperature muffle furnace (typically 700–800°C) until constant weight is achieved, and determine the content of inorganic residues. |
| pH Value | pH Meter Measurement | Prepare a solution of a certain concentration in water or an appropriate solvent, and measure its acidity or alkalinity using a calibrated pH meter. |
| Melting Point | Melting Point Apparatus | Determine the melting temperature range of the sample using capillary or digital melting point apparatus to evaluate purity and crystalline consistency. |
| Moisture | Karl Fischer Method | Accurately determine the moisture content of the sample using Karl Fischer titration, either by coulometric or volumetric methods. |
| Heavy Metals | Atomic Absorption Spectrometry (AAS) or ICP-MS | Determine the residual content of heavy metals such as lead, arsenic, cadmium, and mercury after digesting the sample using AAS or Inductively Coupled Plasma Mass Spectrometry (ICP-MS). |
Technical Specifications of 2,2'-Dithiosalicylic acid
| Test Item | Specification |
|---|---|
| Appearance | White to gray crystalline powder |
| Purity | >=98.0% (HPLC) |
| Melting Point | 128–132°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Acid Value (mg KOH/g) | 220–240 mg KOH/g |
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 2,2'-Dithiosalicylic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,2'-Dithiosalicylic acid
Packaging of 2,2'-Dithiosalicylic acid
Industrial 2,2'-Dithiosalicylic 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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