Melting point :142 °C (dec.)(lit.)
alpha :-2.25 º (c=5, 1 N HCl)
Density :1.232 (estimate)
refractive index :-2.5 ° (C=20, MeOH)
FEMA :4781 | L-CYSTEINE METHYL ESTER HYDROCHLORIDE
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
solubility :DMSO (Slightly), Methanol, Water (Slightly)
form :Crystalline Powder
color :White
optical activity :[α]20/D 1.8°, c = 10 in methanol
biological source :synthetic
Water Solubility :Soluble in water
Merck :13,5809
BRN :3685824
Stability :Stable. Incompatible with strong oxidizing agents.
InChIKey :WHOHXJZQBJXAKL-DFWYDOINSA-N
CAS DataBase Reference :18598-63-5(CAS DataBase Reference)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.