5,5-Dimethylhydantoin Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 77-71-4 |
| Product name | 5,5-Dimethylhydantoin |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty GradeFood 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 5,5-Dimethylhydantoin
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5,5-Dimethylhydantoin Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5,5-Dimethylhydantoin
| Industry | Application | Process |
|---|---|---|
| Personal Care & Cosmetics | Used as a preservative to inhibit bacterial and fungal growth | Added to formulations such as emulsions, creams, and shampoos at typical concentrations of 0.1–0.3% (w/w) |
| Water Treatment | Used as a biocide and algaecide in industrial recirculating cooling water systems | Dosed intermittently or continuously; used synergistically with oxidative and non-oxidative biocides at effective concentrations of 5–50 mg/L |
| Agriculture | Used as a fungicide intermediate in the synthesis of triazole fungicides (e.g., azoxystrobin) | Active ingredient prepared via multi-step reactions including bromination, amination, and cyclization |
| Animal Feed Additives | Used as a mycotoxin inhibitor to prevent mold spoilage in silage and compound feed | Blended uniformly at 0.05–0.2% dosage; frequently combined with propionic acid to enhance efficacy |
| Organic Synthesis | Used as a pharmaceutical intermediate in the synthesis of antiepileptic drugs (e.g., phenytoin sodium derivatives) and amino-protecting reagents | Chiral centers introduced via N-alkylation, hydrolysis, or Mitsunobu reaction; employed for amino protection in peptide synthesis |
Manufacturing Quality Control of 5,5-Dimethylhydantoin
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity (Main Component Content) | High-Performance Liquid Chromatography (HPLC) | Uses a C18 reversed-phase column with methanol-water or acetonitrile-water as mobile phase, and UV detection at 210–220 nm to measure peak area. Quantification is performed using the external standard method, offering high accuracy and suitability for quantitative analysis. |
| Melting Point | Melting Point Determination (Capillary Method) | Sample is loaded into a capillary tube and heated according to pharmacopoeial procedures. The melting behavior is observed to determine whether it falls within the specified range (approximately 218–222°C), serving as an initial assessment of purity. |
| Water Content | Karl Fischer Titration | Utilizes Karl Fischer reagent composed of iodine, sulfur dioxide, pyridine, and methanol to quantitatively react with water. Endpoint detection is achieved via potentiometric or coulometric methods, enabling precise measurement of trace moisture (down to ppm level). |
| Impurities (e.g., 5-Methylhydantoin) | HPLC-UV or HPLC-MS | Gradient elution HPLC is used to separate impurities, followed by UV detection or mass spectrometry for identification and quantification. This allows detection of process-related residues or degradation products, ensuring compliance with impurity limits. |
| Chloride Content | Ion Chromatography (IC) or Silver Nitrate Titration | Ion Chromatography: Separates and detects chloride ions with high sensitivity; Titration Method: Uses standardized silver nitrate solution to titrate chloride ions with potassium chromate as indicator, suitable for rapid screening of inorganic impurities. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, AAS is used to determine levels of heavy metals such as lead, cadmium, and mercury, or ICP-MS is employed for simultaneous multi-element analysis. Results comply with pharmacopoeial heavy metal limits (e.g., ≤10 ppm). |
| Ash Content (Residue on Ignition) | Ignition Residue Method (Gravimetric) | Sample is incinerated at high temperature (500–600°C) in a muffle furnace, and the residue weight is measured to calculate the content of inorganic impurities, assessing the level of inorganic contaminants in raw materials. |
| Solubility and Appearance | Visual Inspection + Solubility Test | Observe crystal color and morphology; test solubility in solvents such as water and ethanol. Ensures compliance with pharmacopoeial descriptions (e.g., white crystalline powder, slightly soluble in water), serving as sensory and physical quality control parameters. |
| pH Value (Aqueous Solution) | pH Meter Method | Sample is dissolved to form a 1% aqueous solution, and pH is measured using a calibrated pH meter. Controls the acidity/alkalinity within the specified range (typically pH 5.5–7.5), reflecting potential acid/base residues from manufacturing processes. |
| Particle Size Distribution (for Powder Products) | Laser Diffraction Particle Size Analysis | Applicable to powdered DMH products; uses laser scattering principles to determine particle size distribution, ensuring good flowability, uniformity, and compatibility with downstream processes (e.g., formulation of disinfectants). |
Technical Specifications of 5,5-Dimethylhydantoin
| Test Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Purity | 99% |
| Melting Point | 174-176°C |
| Water Content | ≤0.5% |
| Burning residue | ≤0.2% |
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 5,5-Dimethylhydantoin
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5,5-Dimethylhydantoin
Packaging of 5,5-Dimethylhydantoin
Industrial 5,5-Dimethylhydantoin 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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