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HS Code |
455921 |
| Chemical Name | L-Cystine |
| Molecular Formula | C6H12N2O4S2 |
| Molar Mass | 240.30 g/mol |
| Appearance | White, crystalline powder |
| Solubility In Water | Slightly soluble |
| Melting Point | 240-247°C (decomposes) |
| Cas Number | 56-89-3 |
| Ph Value | 5.0-6.5 (1% solution) |
| Source | Derived from amino acid cysteine |
| Uses | Nutritional supplements, pharmaceuticals, cosmetics |
| Stability | Stable under recommended storage conditions |
| Storage Conditions | Store in a cool, dry place |
As an accredited L-Cystine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A white, sealed plastic bottle labeled "L-Cystine, 100g" with blue text and safety information, featuring a tamper-evident cap. |
| Container Loading (20′ FCL) | L-Cystine in 20′ FCL: Typically loaded in 500kg or 1,000kg bags, totaling about 20 metric tons per container. |
| Shipping | L-Cystine is shipped in tightly sealed containers to protect it from moisture and contamination. It should be transported in cool, dry conditions, away from incompatible substances such as strong acids or oxidizers. Handling procedures must comply with regulatory requirements, ensuring safety during transit and storage to maintain product quality and integrity. |
| Storage | L-Cystine should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong acids and oxidizers. Protect from moisture, heat, and direct sunlight. Keep the storage area free from sources of ignition. Label the container clearly and ensure it is kept out of reach of unauthorized personnel or children. |
| Shelf Life | L-Cystine typically has a shelf life of 2 to 3 years when stored in a cool, dry, and tightly sealed container. |
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Purity 99%: L-Cystine with 99% purity is used in pharmaceutical synthesis, where it ensures high yield and product safety. Molecular Weight 240.3 g/mol: L-Cystine with molecular weight 240.3 g/mol is used in nutritional supplements, where it provides precise amino acid dosing. Particle Size ≤50 μm: L-Cystine of particle size ≤50 μm is used in food fortification, where it improves solubility in liquid formulations. Melting Point 240°C: L-Cystine with a melting point of 240°C is used in injection solutions, where it assures thermal stability during sterilization. Solubility 0.112 g/100 mL (water, 25°C): L-Cystine with solubility 0.112 g/100 mL at 25°C is used in cosmetic formulations, where it enables consistent dispersion in aqueous bases. Stability Temperature up to 80°C: L-Cystine with stability up to 80°C is used in animal feed processing, where it maintains integrity during pelleting. Optical Rotation +212° (c=1, 6N HCl): L-Cystine with optical rotation +212° is used in biochemical research, where it confirms enantiomeric purity for specific reactions. Heavy Metal Content <10 ppm: L-Cystine with heavy metal content below 10 ppm is used in infant formula preparation, where it minimizes toxicological risks. |
Competitive L-Cystine prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@alchemist-chem.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: sales7@alchemist-chem.com
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