L-Cysteine CAS: 52-90-4 Food Grade Additive White Powder

• Powder: Yes
• Customized: Customized
• Certification: GMP, ISO 9001
• State: Podwer
• Purity: >99%
• Appearance: White Powder
• Model NO.: 52-90-4
• CAS No.: 52-90-4
• Einecs: 200-158-2
• Formula: C3h7no2s
• Grade: Medicine /Food/Cosmetic Grade
• Transport Package: 25kg/Cardboard Drum
• Specification: 99%
• Origin: China
• HS Code: 2922499990

Product Description

Information

Product Name: 

L-(+)-Cysteine

Other Name: 

L-Cysteine;Cysteine,L-;Half-cystine;β-Mercaptoalanine;Thioserine;L-(+)-Cysteine;Cysteine;Propanoic acid,2-amino-3-mercapto-,(R)-;Cystein;L-Alanine,3-mercapto-;NSC 8746;(R)-2-Amino-3-mercaptopropanoic acid;(R)-Cysteine;2-Amino-3-mercaptopropionic acid;L-Cys;E 920;(R)-2-Amino-3-mercaptopropanoic acid;(R)-2-Amino-3-sulfanylpropanoic acid;(2R)-2-Amino-3-sulfanylpropanoic acid;2-Amino-3-mercaptopropanoic acid;11: PN: WO2021055880 SEQID: 12 claimed protein;4371-52-2;154605-72-8;1404190-35-7

CAS No.: 

52-90-4  

InChIKeys: 

InChIKey=XUJNEKJLAYXESH-REOHCLBHSA-N  

Molecular Weight: 

121.15800  

Exact Mass: 

121.16

EC Number: 

200-158-2   

UNII: 

K848JZ4886   

DSSTox ID: 

DTXSID8022876   

NCI Thesaurus Code: 

C29609

Color/Form: 

Colorless crystals|White crystals  

Categories: 

Nutrition Supplements

Characteristics

PSA: 

102.12000

XLogP3: 

-2.5

Appearance: 

DryPowder

Density: 

1.6666 g/cm³ @ Temp: 45.00 °C

Melting Point: 

240 °C (decomp)

Boiling Point: 

293.9ºC at 760 mmHg

Flash Point: 

131.5ºC

Refractive Index: 

8.8 ° (C=8, 1mol/L HCl)

Water Solubility: 

H2O: 280 g/L (25 ºC)

Storage Conditions: 

Store at RT.

Vapor Pressure: 

6.73X10-7 mm Hg at 25 deg C (est)

Toxicity: 

LD50 orally in Rabbit: 1890 mg/kg

Specific rotation: 

Specific optical rotation: +6.5 deg at 25 °C/D (5 N HCl); +13.0 deg at 25 °C/D (glacial acetic acid)

PKA: 

1.71None

Henrys Law Constant:

Henry's Law constant = 5.30X10-11 atm-cu m/mol at 25 °C (est)                                                                                                                          Classification of the substance or mixture Acute toxicity - Category 4, Oral

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Keep container tightly closed in a dry and well-ventilated place. Store under inert gas. Air sensitive. Storage class (TRGS 510): Non Combustible Solids.