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Alfa Aesar™ L-Cysteine, 98+%

$38.84 - $128.93

Chemical Identifiers

Chemical Name or Material L-Cysteine
CAS 52-90-4
Molecular Formula C3H7NO2S
Formula Weight 121.16g/mol
MDL Number MFCD00064306
Beilstein 1721408
Merck Index 14,2781
Synonym L-2-Amino-3-mercaptopropionic acid; H-Cys-OH
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA1043518

 
alfa aesar
A10435-18
50g Each for $38.84

AAA1043530

 
alfa aesar™
A10435-30
250g Each for $128.93
Description & Specifications

Specifications

Quantity 50g
Chemical Name or Material L-Cysteine
CAS 52-90-4
Assay ≥98%
Molecular Formula C3H7NO2S
Formula Weight 121.16g/mol
MDL Number MFCD00064306
Beilstein 1721408
Merck Index 14,2781
Health Hazard 1 Warning
Health Hazard 2 GHS H Statement
H302
Harmful if swallowed.
Health Hazard 3 GHS P Statement
P264-P270-P301+P312-P330-P501a
Wash thoroughly after handling.
Do not eat, drink or smoke when using this product.
IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
Rinse mouth.
RTECS Number HA1600000
TSCA TSCA

Applications
L-Cysteine 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. Also used for the cleavage of disulfide bonds in the hair′s keratin. 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. Its derivative, N-acetyl-L-cysteine is used as a dietary supplement. It acts as an antidote to acetaminophen overdose and prevents liver failure. It protects nerves from oxidation and thereby prevents illnesses like Alzheimer′s and Parkinson′s. Being an essential amino acid, it used as animal feed especially for sheep, which is responsible the growth of wool.

Solubility
Soluble in water, alcohol, acetic acid and aqueous ammonia. Insoluble in ether, acetone, ethyl acetate, benzene, carbon disulfide and carbon tetrachloride

Notes
Air sensitive. Incompatible with strong oxidizing agents.

Safety and Handling

Warning

GHS P Statement
P264-P270-P301+P312-P330-P501a
Wash thoroughly after handling.
Do not eat, drink or smoke when using this product.
IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
Rinse mouth.

GHS H Statement
H302
Harmful if swallowed.