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L-Cysteine hydrochloride monohydrate, 99%, Alfa Aesar™

$287.50 - $287.50

Chemical Identifiers

Chemical Name or Material L-Cysteine hydrochloride monohydrate
CAS 7048-04-6
Molecular Formula C3H7NO2S·HCl·H2O
Formula Weight 175.64g/mol (157.62g/mol, Anhydrous)
MDL Number MFCD00065606
Beilstein 5158059
Merck Index 14,2781
Synonym H-Cys-OH.HCl.H2O
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Products
Catalog Number Mfr. No. Packaging Quantity Price Quantity    

AAA1038936

 
alfa aesar
A10389-36
Each for $287.50
Description & Specifications

Specifications

Melting Point ≈175°C (dec.)
pH 1 to 2
Quantity 500g
Optical Rotation +5.5° (c=5 in 5N HCl)
Chemical Name or Material L-Cysteine hydrochloride monohydrate
CAS 7048-04-6
Assay 99%
Molecular Formula C3H7NO2S·HCl·H2O
Formula Weight 175.64g/mol (157.62g/mol, Anhydrous)
MDL Number MFCD00065606
Beilstein 5158059
Merck Index 14,2781
Synonym H-Cys-OH.HCl.H2O
Health Hazard 1 Warning
Health Hazard 2 GHS H Statement
H315-H319-H335;
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Health Hazard 3 GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-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.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
RTECS Number HA2285000
TSCA TSCA

Applications
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.

Solubility
Soluble in cold water.

Notes
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.

Safety and Handling

Warning

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-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.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H315-H319-H335;
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.