China Factory Direct
|
|
| CAS number | 31407-74-6 |
| Product name | O-Ethylisourea hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pesticides | Intermediate for synthesizing organophosphorus insecticides (e.g., pyrimidoxyl, ethyl pyrimidoxyl) | Reacted with chloroformates or thiophosgene, followed by cyclization and hydrolysis to prepare pyrimidine-based active ingredients |
| Pharmaceuticals | Intermediate for synthesizing antiviral agents (e.g., acyclovir derivatives) and other pyrimidine-containing drugs | Participates in cyclization reactions to construct the pyrimidine ring scaffold, or serves as a guanidino-protecting or transforming reagent |
| Dyes | Intermediate for synthesizing azo dyes and reactive dyes | Used to introduce nitrogen-containing heterocyclic structures, enhancing lightfastness and dye fixation performance |
| Organic Synthesis | Multifunctional building block for constructing nitrogen-containing heterocycles such as amidines, guanidines, and pyrimidines | Condenses with aldehydes or ketones to form amidines; undergoes cyclization with β-dicarbonyl compounds to yield pyrimidine derivatives |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (O-Ethylisourea Hydrochloride) | Acid-Base Titration with NaOH | Quantifies active compound by neutralizing HCl salt with standardized NaOH using phenolphthalein or potentiometric endpoint detection. |
| Water Content | Karl Fischer Titration | Measures trace water via iodine-sulfur dioxide redox reaction in anhydrous methanol-based solvent. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic impurities by high-temperature ashing and weighing of residual mass. |
| Chloride Impurity | Argentometric Titration (Mohr method) | Quantifies Cl- ions by precipitation titration with AgNO3 using K2CrO4 indicator. |
| Heavy Metals | Qualitative Sulfide Precipitation Test | Detects Pb, Cd, Hg, As, etc., as colored sulfide precipitates under controlled pH and sulfide ion concentration. |
| Related Substances | HPLC with UV Detection | Separates and quantifies structurally similar impurities using reversed-phase C18 column and UV absorbance at 210 nm. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determines acidity/basicity of 1% w/v aqueous solution using calibrated pH electrode. |
| Melting Point | Capillary Melting Point Determination | Identifies purity and identity by measuring temperature range at which solid transitions to liquid under controlled heating. |
| Loss on Drying | Thermogravimetric Gravimetry | Measures volatile content (e.g., solvents, moisture) by weight loss after drying at 105 C for 2 hours. |
| Sulfated Ash | Gravimetric Analysis | Estimates total inorganic residue after combustion with sulfuric acid pretreatment and subsequent incineration. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Detects and quantifies residual solvents (e.g., ethanol, acetone) using flame ionization detection. |
| Bulk Density | Cylindrical Cylinder Method | Measures mass per unit volume of freely settled powder using standardized cylinder and balance. |
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 178-182°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 ppm |
|
|
|
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.