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L-Cysteine monohydrochloride

L-Cysteine monohydrochloride Structure
L-Cysteine monohydrochloride
  • CAS No.52-89-1
  • Chemical Name:L-Cysteine monohydrochloride
  • CBNumber:CB6694980
  • Molecular Formula:C3H8ClNO2S
  • Formula Weight:157.62
  • MOL File:52-89-1.mol
L-Cysteine monohydrochloride Property
  • Melting point 180°C
  • alpha 5.5 º (c=8, 6 N HCL)
  • storage temp. Inert atmosphere,Room Temperature
  • solubility H2O: 1 M at 20 °C, clear, colorless
  • form Solid
  • color White to light brown
  • Odor odorless
  • optical activity [α]20/D +6.4±0.3°, c = 5% in 5 M HCl
  • biological source synthetic
  • Water Solubility SOLUBLE
  • Sensitive Hygroscopic
  • Merck 14,2781
  • BRN 3560277
  • Stability Stable, but light, moisture and air sensitive. Incompatible with strong oxidizing agents, some metals.
  • InChIKey IFQSXNOEEPCSLW-DKWTVANSSA-N
  • LogP 0.235 (est)
  • CAS DataBase Reference 52-89-1(CAS DataBase Reference)
  • FDA 21 CFR 184.1272; 310.545
  • Substances Added to Food (formerly EAFUS) L-CYSTEINE MONOHYDROCHLORIDE
  • EWG's Food Scores 1
  • FDA UNII A9U1687S1S
  • NIST Chemistry Reference L-cysteine hydrochloride(52-89-1)
  • EPA Substance Registry System L-Cysteine hydrochloride (52-89-1)
  • UNSPSC Code 12352209
  • NACRES NA.77
Safety
  • Hazard Codes  :Xi
  • Risk Statements  :36/37/38
  • Safety Statements  :26-36
  • WGK Germany  :2
  • RTECS  :HA2275000
  • F  :3-10-23
  • TSCA  :Yes
  • HS Code  :29309013
  • Toxicity :LD50 intraperitoneal in mouse: 1250mg/kg
  • NFPA 704:
    1
    2 0
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H315-H319-H335
  • Precautionary statements P280a-P304+P340-P405-P501a-P261-P305+P351+P338
L-Cysteine monohydrochloride Price More Price(10)
  • Brand: Sigma-Aldrich(India)
  • Product number: C7477
  • Product name : L-Cysteine hydrochloride
  • Purity: anhydrous, from non-animal source, BioReagent, suitable for cell culture, ≥98.0%
  • Packaging: 25G
  • Price: ₹10348.7
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich(India)
  • Product number: C7477
  • Product name : L-Cysteine hydrochloride
  • Purity: anhydrous, from non-animal source, BioReagent, suitable for cell culture, ≥98.0%
  • Packaging: 100G
  • Price: ₹33914.73
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich(India)
  • Product number: C1276
  • Product name : L-Cysteine hydrochloride
  • Purity: anhydrous, ≥98% (TLC)
  • Packaging: 10G
  • Price: ₹4394.95
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich(India)
  • Product number: C7477
  • Product name : L-Cysteine hydrochloride
  • Purity: anhydrous, from non-animal source, BioReagent, suitable for cell culture, ≥98.0%
  • Packaging: 1KG
  • Price: ₹110111.9
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich(India)
  • Product number: C1276
  • Product name : L-Cysteine hydrochloride
  • Purity: anhydrous, ≥98% (TLC)
  • Packaging: 50G
  • Price: ₹11474.5
  • Updated: 2022/06/14
  • Buy: Buy

L-Cysteine monohydrochloride Chemical Properties,Usage,Production

  • Chemical Properties solid
  • Uses As dough conditioner.
  • Uses L-Cysteine hydrochloride, anhydrous is widely used as additive in food production. It is used as an antioxidant to promote fermentation and keep the flavor. It is also used in cosmetics and animal feed.
  • Definition ChEBI: A hydrochloride obtained by combining L-cysteine with one molar equivalent of hydrogen chloride.
  • General Description L-cysteine is a sulfur-containing amino acid.
  • Biochem/physiol Actions NMDA glutamatergic receptor agonist that is also an agonist at AMPA glutamatergic receptors at high concentrations.
  • Safety Profile : Moderately toxic by intraperitoneal, intravenous, and possibly other routes. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx, SOx, and Cl-.
  • Purification Methods Likely impurities are cystine and tyrosine. Crystallise the salt from MeOH by adding diethyl ether, or from hot 20% HCl. Dry it under vacuum over P2O5. Hygroscopic. [Beilstein 4 III 1580, 1600.]
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L-Cysteine monohydrochloride Spectrum
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