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L-Cysteine methyl ester hydrochloride

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Name

L-Cysteine methyl ester hydrochloride

EINECS 242-435-0
CAS No. 18598-63-5 Density
Solubility soluble in water Melting Point 142 °C (dec.)(lit.)
Formula C4H9NO2S.HCl Boiling Point 197.2 °C at 760 mmHg
Molecular Weight 171.66 Flash Point 73.1 °C
Transport Information Appearance white crystalline powder
Safety 26-36-37/39 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 18598-63-5 (L-Cysteine methyl ester hydrochloride) Hazard Symbols IrritantXi
Synonyms

Cysteine,methyl ester, hydrochloride, L- (7CI,8CI);Acdrile;Actiol;Cysteine methyl ester hydrochloride;LJ 48;Mecysteine hydrochloride;Methyl2-amino-3-mercaptopropionate hydrochloride;Methyl cysteinate hydrochloride;Methyl a-amino-b-mercaptopropionatehydrochloride;Methyl b-mercaptoalanine hydrochloride;NSC 161611;Pectite;Visclair;Zeotin;H-Cys-OMe·HCl;H-Cys-OMe.HCl;L-Cysteine, methylester, hydrochloride (1:1);

 

L-Cysteine methyl ester hydrochloride Chemical Properties

Detail of MECYSTEINE HYDROCHLORIDE(18598-63-5).
Molecular Structure:

Name:MECYSTEINE HYDROCHLORIDE
CAS Number:18598-63-5
Molecular Formula:C4H10ClNO2S
Molecular Weight:171.66
EINECS:242-435-0
Melting Point:143-144oC (dec.)
Boiling Point:197.2oC at 760 mmHg
Flash Point:73.1oC
Solubility:Soluble in water
Appearance:white powder
Properties:Crystals from methanol.
alpha:-2.25oC(c=5, 1 N HCl)
refractive index:-2.5oC(C=20, MeOH)
storage temp: -20oC
Merck:13,5809
CAS DataBase Reference:18598-63-5(CAS DataBase Reference)
Synonyms of MECYSTEINE HYDROCHLORIDE(18598-63-5):MECYSTEINE HYDROCHLORIDE;methyl cysteine hydrochloride;H-CYS-OME HCL;H-CYS(ME)OH HYDROCHLORIDE;L-CYSTEINE METHYL ESTER HYDROCHLORIDE;L-CYSTEINE METHYL ESTER MONOHYDROCHLORIDE;L-CYSTEIN METHYL ESTER HYDROCHLORIDE;acdrile

L-Cysteine methyl ester hydrochloride Toxicity Data With Reference

1.   

orl-mus LD50:2333 mg/kg

   NIIRDN    “Drugs in Japan. Ethical Drugs, 6th Edition 1982“ Edited by Japan Pharmaceutical Information Center. 6 (1982),829.
2.   

ipr-mus LD50:1340 mg/kg

   NIIRDN    “Drugs in Japan. Ethical Drugs, 6th Edition 1982“ Edited by Japan Pharmaceutical Information Center. 6 (1982),829.

L-Cysteine methyl ester hydrochloride Safety Profile

Moderately toxic by ingestion and intraperitoneal routes. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SOx, NOx, and HCl. See also ESTERS.
Safety Information of MECYSTEINE HYDROCHLORIDE(18598-63-5).
Hazard Codes:Xi
Risk Statements:36/37/38
Safety Statements:26-36-37/39
WGK Germany:2
RTECS:HA2460000
F:1-10

L-Cysteine methyl ester hydrochloride Specification

Stability and Reactivity of MECYSTEINE HYDROCHLORIDE(18598-63-5).
Chemical Stability: Not available 
Conditions to Avoid: Incompatible materials. 
Incompatibilities with Other Materials Strong oxidizing agents. 
Hazardous Decomposition Products Hydrogen chloride, nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide. 
Hazardous Polymerization Has not been reported. 
First Aid Measures of MECYSTEINE HYDROCHLORIDE(18598-63-5).
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. 
Ingestion: Get medical aid. Wash mouth out with water. 
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. 
Handling and Storage of MECYSTEINE HYDROCHLORIDE(18598-63-5).
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. 
Storage: Store in a cool, dry place. Store in a tightly closed container. 

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