L-Cysteine – High-Quality Amino Acid for Industrial and Research Applications

L-Cysteine is a semi-essential amino acid naturally biosynthesized in humans, playing a crucial role in various biological processes. This product is ideal for general industrial use or research purposes, providing a reliable option for those in need of high-quality chemicals.

Please note that ungrazed products are not suitable for human consumption or therapeutic applications, ensuring they meet general industrial standards.

Key Features

• Chemical CAS Number: 52-90-4
• Chemical Formula: C₃H₇NO₂S
• Chemical Formula Weight: F.W. 121.16
• Assay: 98.0-102.0%
• Specific Rotation: [α]_D²⁰ (C = 8; 1 N HCl) +7.0° to +9.0°
• Transmittance: Min. 95%

Maximum Limits

• Ammonium: 0.02%
• Arsenic (as As₂O₃): 0.0002%
• Chloride (Cl): 0.05%
• Heavy Metals (as Pb): 0.001%
• Iron (Fe): 0.003%
• Loss on Drying: 0.5%
• Residue on Ignition: 0.2%
• Sulfate (SO₄): 0.03%

Chemical Safety and Storage

L-Cysteine is classified under the chemical category of L-Amino Acids. It possesses a health rating of 2 and a flammability rating of 1, indicating moderate health risks and low flammability.

For optimal preservation, L-Cysteine should be stored in a tightly closed container that is both light and air-sensitive. It is hygroscopic, necessitating careful management of environmental conditions during storage and handling.

Logistics Information

• Chemical UPS Limit: 150 lb