W778567

L-Cysteine hydrochloride

FG, product of Wacker Chemie AG

• Linear Formula: HSCH₂CH(NH₂)COOH · HCl
• CAS Number: 52-89-1
• Molecular Weight: 157.62
• Beilstein/REAXYS Number: 3560277
• EC Number: 200-157-7
• MDL number: MFCD00064553
• UNSPSC Code: 12352200
• PubChem Substance ID: 329830759
• Flavis number: 17.032
• NACRES: NA.21

Properties

• biological source: synthetic
• grade: FG; Halal
• reg. compliance: EU Regulation 178/2002
• optical activity: [α]/D 5.7 to 6.8° (Ph. Eur. (2.2.7))
• impurities: ≤10 ppm heavy metals (Ph. Eur. (2.4.8/A)); ≤200 ppm ammonium (Ph. Eur. (2.4.1B))
• ign. residue: ≤0.1% (Ph. Eur. (2.4.14))
• loss: ≤2.0% loss on drying
• solubility: H₂O: 250 mg/10 mL, clear, colorless
• cation traces: As: ≤1 ppm (Ph. Eur. (2.4.2/A)); Pb: ≤5 ppm
• suitability: clear, colorless for appearance of solution (Ph. Eur. (2.2.1)); positive for identity (Ph. Eur. (2.2.24))
• application(s): flavors and fragrances
• documentation: see Safety & Documentation for available documents
• food allergen: no known allergens
• organoleptic: odorless
• SMILES string: Cl[H].N[C@@H](CS)C(O)=O
• InChI: 1S/C3H7NO2S.ClH/c4-2(1-7)3(5)6;/h2,7H,1,4H2,(H,5,6);1H/t2-;/m0./s1
• Inchi Key: IFQSXNOEEPCSLW-DKWTVANSSA-N

Description

General description

L-cysteine is a sulfur-containing amino acid.[1]

Application

The addition of L-cysteine hydrochloride to wheat flour led to the reduction in the peak viscosity during the analysis of its pasting characteristics using rapid visco analyzer (RVA).[2]

Biochem/physiol Actions

NMDA glutamatergic receptor agonist that is also an agonist at AMPA glutamatergic receptors at high concentrations.

NMDA glutamatergic receptor agonist; AMPA glutamatergic receptor agonist at high concentrations.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable