DL-Cystine, 99%, Thermo Scientific™

Description

This Thermo Scientific brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific.

Specifications

Chemical Identifiers

• CAS: 923-32-0
• Molecular Formula: C6H12N2O4S2
• Molecular Weight (g/mol): 240.292
• MDL Number: MFCD00084652
• InChI Key: LEVWYRKDKASIDU-UHFFFAOYSA-N
• Synonym: dl-cystine, cystine, d-cystine, 3,3'-disulfanediylbis 2-aminopropanoic acid, dicysteine, cystin, h-dl-cys-oh 2, .beta.,.beta.'-dithiodialanine, cystine, dl, cystine, l
• PubChem CID: 595
• ChEBI: CHEBI:17376
• IUPAC Name: 2-amino-3-[(2-amino-2-carboxyethyl)disulfanyl]propanoic acid
• SMILES: C(C(C(=O)O)N)SSCC(C(=O)O)N

• Color: White
• Chlorine (Cl): 500ppm max.
• Heavy Metals (as Pb): 10ppm max.
• Infrared Spectrum: Authentic
• Iron (Fe): 20ppm max.
• Assay Percent Range: 99%
• Loss on Drying: 0.2% max.
• Packaging: Glass Bottle
• Linear Formula: [-SCH₂CH(NH₂)CO₂H]₂
• Sulfate: 200ppm max.
• Merck Index: 15, 2779
• Transmittance: 95.0% min.
• Quantity: 2.5 g
• Formula Weight: 240.3
• Percent Purity: ≥98.5%
• Physical Form: Powder
• Chemical Name or Material: DL-Cystine, 99%

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement: Harmful if swallowed. Causes serious eye irritation. Causes skin irritation. May cause respiratory irritation.
Precautionary Statement	GHS P Statement: Avoid breathing dust/fume/gas/mist/vapors/spray. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.

SDS