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W778567 Sigma-Aldrich

L-Cysteine hydrochloride

FG, product of Wacker Chemie AG

  • CAS Number 52-89-1

  • Linear Formula HSCH2CH(NH2)COOH · HCl

  • Molecular Weight 157.62

  •  Beilstein/REAXYS Number 3560277

  •  EC Number 200-157-7

  •  MDL number MFCD00064553

  •  PubChem Substance ID 329830759

  •  Flavis number 17.032

  •  NACRES NA.21

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Properties

Related Categories A - D, Alphabetical Listings, C-D, Certified Food Grade Products, Flavors and Fragrances,
Quality Level   400
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))
Documentation   see Safety & Documentation for available documents
Organoleptic   odorless
food allergen   no known allergens
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.

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).

Biochem/physiol Actions

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

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
RTECS 
HA2275000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles

Articles

Securing a Traceable Supply Chain for Food Grade Flavor Ingredients

Introduction Defining "Food Grade" Understanding "Food Grade" Versus "Industrial Grade" Top Questions to Ask a Flavor & Fragrances Supplier The Sigma-Aldrich Approach
Dr. Luke Grocholl
Quality Assurance Supervisor, Sigma-Aldrich Flavors & Fragrances
Keywords: Food & Beverage, Food Safety, Solvents

Peer-Reviewed Papers
15

References

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