Di-o-tolylguanidine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 97-39-2 |
| Product name | Di-o-tolylguanidine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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 Di-o-tolylguanidine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Di-o-tolylguanidine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Di-o-tolylguanidine
| Industry | Application | Process |
|---|---|---|
| Rubber Industry | Vulcanization accelerator | Used as a medium-speed vulcanization accelerator for natural rubber, styrene-butadiene rubber (SBR), and polybutadiene rubber (BR); commonly combined with thiazole- or sulfenamide-based accelerators to improve vulcanization efficiency and crosslink density |
| Agricultural Chemicals | Fungicide intermediate | Serves as a key precursor in the synthesis of benzimidazole fungicides (e.g., carbendazim, thiophanate-methyl) via cyclization to form the benzimidazole core structure |
| Pharmaceutical Industry | Drug synthesis intermediate | Employed in the preparation of antiparasitic agents (e.g., albendazole) and antitumor compounds; participates in guanylation and cyclization reactions to construct active molecular scaffolds |
Manufacturing Quality Control of Di-o-tolylguanidine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration with HCl | Titration of guanidine group using standardized hydrochloric acid solution with methyl orange indicator. |
| Moisture Content | Karl Fischer Titration | Quantitative determination of water by coulometric or volumetric reaction with iodine and sulfur dioxide in pyridine-methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C to burn off organic matter, then weighing inorganic residue. |
| Heavy Metals (as Pb) | Colorimetric Limit Test with Thioglycollic Acid | Reaction of heavy metal ions with thioglycollic acid under buffered conditions to form colored complexes for visual comparison. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using anion-exchange column and conductivity detection. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitation of sulfate as BaSO4 in acidic medium followed by filtration and weighing. |
| Related Substances | HPLC with UV Detection | Separation of impurities using reversed-phase C18 column and UV detection at 220 nm; peak area comparison against reference standards. |
| Melting Point | Capillary Melting Point Determination | Measurement of temperature range at which solid transitions to liquid using calibrated capillary apparatus. |
| Solubility in Water | Visual Solubility Test | Observation of complete dissolution of specified amount in defined volume of water at 25 C with gentle agitation. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determination of hydrogen ion activity in 1% w/v aqueous solution using calibrated pH meter with glass electrode. |
| Loss on Drying | Thermogravimetric Weighing | Weight loss measured after drying sample at 105 C for 2 hours under atmospheric pressure. |
| Iron Content | Atomic Absorption Spectroscopy (AAS) | Quantification of iron by measuring absorption of specific wavelength light (248.3 nm) by ground-state Fe atoms in flame. |
Technical Specifications of Di-o-tolylguanidine
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 134–137°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic 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 Di-o-tolylguanidine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Di-o-tolylguanidine
Packaging of Di-o-tolylguanidine
Industrial Di-o-tolylguanidine 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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