2,2'-METHYLENEBISBENZOTHIAZOLE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1945-78-4 |
| Product name | 2,2'-METHYLENEBISBENZOTHIAZOLE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 2,2'-METHYLENEBISBENZOTHIAZOLE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,2'-METHYLENEBISBENZOTHIAZOLE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,2'-METHYLENEBISBENZOTHIAZOLE
| Industry | Application | Process |
|---|---|---|
| Rubber Industry | Vulcanization accelerator (primarily for natural rubber, styrene-butadiene rubber, and cis-polybutadiene rubber) | Used as an activator or primary accelerator for sulfenamide-type accelerators during rubber compounding; typically blended with thiram or dithiocarbamates to enhance vulcanization rate and crosslink density |
| Rubber Industry | Co-component in antioxidant and antidegradant systems | Combined with phenolic or amine-based antidegradants to retard thermal-oxidative degradation of rubber by suppressing free-radical chain reactions and chelating metal ions |
| Coatings Industry | Curing accelerator for epoxy resins | Catalyzes ring-opening polymerization in bisphenol-A epoxy resin systems at 120–160 °C, reducing cure time and improving heat resistance |
| Adhesives Industry | Crosslinking aid for polyurethane adhesives | Functions as a reaction promoter in thiol- or amine-containing curing systems to improve initial tack and heat-resistant shear strength |
| Agricultural Chemicals | Pesticide intermediate (used in synthesis of benzothiazole fungicides such as thiabendazole) | Employed in multi-step reactions—including chlorination, amination, and oxidation—to construct the benzothiazole heterocyclic structure |
Manufacturing Quality Control of 2,2'-METHYLENEBISBENZOTHIAZOLE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content based on the stoichiometric reaction of iodine with water in pyridine/methanol medium. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature using calibrated capillary tube method per USP <741>. |
| Ash Content | Gravimetric Analysis (Ignition at 550 C) | Residue mass after high-temperature ignition quantifies inorganic impurities. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Atomic absorption spectroscopy measures absorbance of ground-state metal atoms in atomized sample. |
| Residue on Ignition | Gravimetric Analysis (Ignition at 550 C) | Mass loss after ignition reflects volatile and organic impurities; residue indicates non-volatile inorganics. |
| Chloride Content | Potentiometric Titration with AgNO3 | Titration with silver nitrate using silver indicator electrode to detect endpoint via potential change. |
| Sulfate Content | Gravimetric Analysis (BaSO4 Precipitation) | Precipitation as barium sulfate followed by filtration, drying, and weighing of the precipitate. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents using gas chromatography with flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to determine size distribution of dry powder particles. |
| Bulk Density | ASTM D1895 Method A | Measurement of mass per unit volume for freely settled powder in a standardized cylinder. |
| pH of Aqueous Suspension | pH Meter Measurement | pH measured in a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode. |
Technical Specifications of 2,2'-METHYLENEBISBENZOTHIAZOLE
| Test Item | Specification |
|---|---|
| Appearance | Yellow crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 172–176°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
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'-METHYLENEBISBENZOTHIAZOLE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 2,2'-METHYLENEBISBENZOTHIAZOLE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2,2'-METHYLENEBISBENZOTHIAZOLE
Industrial 2,2'-METHYLENEBISBENZOTHIAZOLE 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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