5-Amino-2-benzimidazolethiol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2818-66-8 |
| Product name | 5-Amino-2-benzimidazolethiol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial GradeReagent 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 5-Amino-2-benzimidazolethiol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Amino-2-benzimidazolethiol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-Amino-2-benzimidazolethiol
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of antifungal drug intermediates | Condensation and cyclization |
| Agrochemicals | Preparation of fungicidal or insecticidal intermediates | Oxidation and substitution |
| Dyes and Pigments | Synthesis of thiol-containing dyes or auxiliaries | Coupling and sulfuration |
| Materials Chemistry | Preparation of functional thiol compounds | Alkylation and acylation |
| Analytical Chemistry | Used as analytical reagents or chelating agents | Complexation |
Manufacturing Quality Control of 5-Amino-2-benzimidazolethiol
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, form, and crystalline state of the sample to determine if it meets the standard (usually white to off-white crystalline powder). |
| Purity/Content Determination | High-Performance Liquid Chromatography (HPLC) | Use a reverse-phase C18 column with a UV detector (e.g., 254 nm), and quantify the main component using external standard or area normalization method. |
| Melting Point | Capillary Melting Point Determination | Determine the melting range using a digital melting point apparatus to assess purity and consistency (literature value approximately 230–235°C). |
| Loss on Drying | Drying Loss Method (105°C to constant weight) | Weigh the sample and dry it in a constant-temperature oven until constant weight is achieved; calculate the percentage of mass loss to evaluate moisture or volatile impurities. |
| Residue on Ignition | High-Temperature Ashing Method (600–800°C) | Weigh the residue after complete ashing of the sample in a muffle furnace to assess the total amount of inorganic salts or metal impurities. |
| Heavy Metals | Thioacetamide Method (Chinese Pharmacopoeia General Rule) | React under weakly acidic conditions with thioacetamide to produce a color change; compare with standard lead solution by spectrophotometry to control total heavy metal content (e.g., ≤20 ppm). |
| Residual Solvents | Gas Chromatography (GC-FID or GC-MS) | Analyze via headspace or direct injection to detect organic solvents potentially remaining from synthesis or purification processes (e.g., methanol, ethanol, DMF, etc.). |
| Related Substances/Impurity Analysis | HPLC Gradient Elution Method | Use gradient elution to separate potential process impurities or degradation products, and assess impurity levels based on relative retention time and peak area. |
| pH Value (Solution) | pH Meter Measurement | Prepare a solution of a certain concentration and measure its acidity or alkalinity using a calibrated pH meter to evaluate free acid/base or salt form consistency. |
| Sulfhydryl Group Content (Optional) | Iodometric Method or Ellman’s Reagent Method | Quantify -SH groups by titration or colorimetry using specific reactions with iodine or DTNB reagent to verify structural integrity. |
Technical Specifications of 5-Amino-2-benzimidazolethiol
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 275-279 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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 5-Amino-2-benzimidazolethiol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-Amino-2-benzimidazolethiol
Packaging of 5-Amino-2-benzimidazolethiol
Industrial 5-Amino-2-benzimidazolethiol 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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