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7048-04-6 - L-Cysteine hydrochloride monohydrate, 99% - H-Cys-OH.HCl.H<sub>2</sub>O - A10389 - Alfa Aesar

A10389 L-Cysteine hydrochloride monohydrate, 99%

Codice CAS
7048-04-6
Sinonimi
H-Cys-OH.HCl.H2O

Dimensioni Prezzo ($) Quantità Disponibilità
25g 19,60
100g 51,00
500g 202,00
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L-Cysteine hydrochloride monohydrate, 99%

MDL
MFCD00065606
EINECS
200-157-7

Proprietà chimiche

Formula
C3H7NO2S•HCl•H2O
Peso formula
175.64 (157.62anhy)
Punto di fusione
ca 175° dec.
Sensibilità
Air Sensitive
Solubilità
Soluble in cold water.

Applicazioni

L-Cysteine hydrochloride monohydrate is used as a precursor in food, pharmaceutical and personal care products. It is actively involved in the production of flavors such as meat flavor obtained by reacting with sugars. It plays an important role as a key raw material for the manufacture of N-acetyl-L-cysteine, S-carboxymethyl-L-cysteine and L-cysteine base. It is involved in the treatment of liver disease as an antioxidant and antidote. Being an essential amino acid, it used as animal feed especially for sheep, which is responsible the growth of wool.

Note

Air and light sensitive. Hygroscopic. Keep container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents, metals and hydrogen chloride.

Letteratura

Prasad, P. V.; Rao, T. V.; Rao, K. R.; Kamal, C. S.; Samuel, T. Studies on influence of Cd 2+ ions in unidirectional growth and characterization of l-Cysteine hydrochloride monohydrate single crystals. Spectrochim. Acta, Part A 2015, 136, 1950-1954.

Koohyar, F.; Rostami, A. A.; Chaichi, M. J.; Kiani, F. Refractive indices, viscosities, and densities for l-cysteine hydrochloride monohydrate+ D-sorbitol+ water, and glycerol+ D-sorbitol+ water in the temperature range between T= 303.15 K and T= 323.15 K. 2011, 40 (7), 1361-1370.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Dichiarazioni precauzionali: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. 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. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,2781
Beilstein
5158059
Codice tariffe armonizzato
2930.90
TSCA
Yes
RTECS
HA2285000

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