Cysteamine hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 156-57-0 |
| Product name | Cysteamine hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeFood GradeCosmetic 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 Cysteamine hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Cysteamine hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Cysteamine hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Serves as an active intermediate in the synthesis of antibiotics, antiviral agents, and antioxidants | Acts as a thiol donor in organic synthesis, participating in multistep reactions to construct sulfur-containing drug molecules |
| Biotechnology | Used as a cell culture additive to maintain intracellular reducing conditions | Added to culture media to protect the functional structures of proteins and enzymes via its reducing thiol groups |
| Food Additives | Functions as a food antioxidant to extend shelf life | Added during processing to meat or baked goods to inhibit lipid oxidation |
| Cosmetics | Employed as a skin-repairing ingredient in whitening and anti-aging formulations | Formulated with ingredients such as vitamin C to reduce melanin formation through its reducing activity |
| Agriculture | Applied as a plant growth regulator to promote root development | Applied as a foliar spray or soil treatment to modulate metabolic processes by regulating redox status |
Manufacturing Quality Control of Cysteamine hydrochloride
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, condition, and odor of the sample. It should normally be a white or off-white crystalline powder with a characteristic sulfur smell. |
| Identification | Infrared Spectroscopy (IR) | Compare the sample's spectrum with standard spectra to confirm consistency of molecular structure absorption peaks. |
| Chemical Identification Reaction | Use the thiol (-SH) group's characteristics, such as reacting with sodium nitroprusside to form a red product for qualitative confirmation. | |
| Content Determination | Oxidation-Reduction Titration (Iodometric Method) | Utilize the reducing property of cysteamine to react with a fixed amount of iodine; titrate the remaining iodine with sodium thiosulfate and calculate the main component content. |
| High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase column (e.g., C18), UV detector (around 210–230 nm), and external standard method to quantify the main peak area. | |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Separate degradation products (e.g., cystine, oxides) using gradient elution; detect impurity peaks and calculate total impurity levels and individual impurity limits. |
| Moisture | Karl Fischer Titration | Determine the total content of bound and free water using a Karl Fischer titrator (capacity or coulometric method), within specified limits. |
| Residual Solvents | Gas Chromatography (GC) | Detect possible residual organic solvents from production (e.g., methanol, ethanol, acetone), complying with ICH Q3C standards. |
| Sulfate (or Chloride) | Turbidimetric Method or Ion Chromatography (IC) | Check for inorganic anion impurities by comparing with standard solutions or quantitatively determining chloride or sulfate content via ion chromatography. |
| Heavy Metals | Sulfide Colorimetric Method (Heavy Metal Test) | According to pharmacopoeia methods, react under acidic conditions with hydrogen sulfide or thiocarbamide to produce colored precipitates, controlling the limit. |
| Residue on Ignition | Residue on Ignition Test | Heat at high temperature (700–800°C) until constant weight to determine the amount of non-volatile inorganic impurities. |
| Microbial Limit | Microbial Limit Test | Conduct aerobic bacterial count, mold and yeast count, and control organisms (e.g., Escherichia coli) testing according to the Chinese Pharmacopoeia or USP. |
| Bacterial Endotoxins | LAL Method (Limulus Amebocyte Lysate) | Used for injectable-grade raw materials, detects endotoxins produced by Gram-negative bacteria, ensuring compliance with safety limits (e.g., < 0.25 EU/mg). |
Technical Specifications of Cysteamine hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | White crystal |
| Purity | ≥98.0% |
| N-Mercapto thiazoline | ≤0.05% |
| Cystamine | ≤4.0% |
| IMP RRT 2.2 | ≤0.2% |
| Other single impurities | ≤0.1% |
| Total impurites | ≤1.0% |
| Loss on drying | ≤1.0% |
| Melting point | 66~70°C |
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 Cysteamine hydrochloride
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| Lot/Batch Number | *Required fields | |
NMR Spectra of Cysteamine hydrochloride
Packaging of Cysteamine hydrochloride
Industrial Cysteamine hydrochloride 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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