Melting point :200°C (dec.)
Boiling point :320.72°C (rough estimate)
Density :1.1417 (rough estimate)
refractive index :1.4640 (estimate)
storage temp. :2-8°C
solubility :Aqueous Base (Slightly), Chloroform (Slightly, Sonicated), Methanol (Slightly）
form :Solid
color :Pale Beige to Beige
Water Solubility :Soluble in water (partly miscible), methanol (50 mg/ml), acetone, dichloromethane and chloroform.
BRN :4136411
InChIKey :GEPIUTWNBHBHIO-UHFFFAOYSA-N
CAS DataBase Reference :2154-68-9(CAS DataBase Reference)
EPA Substance Registry System :1-Pyrrolidinyloxy, 3-carboxy-2,2,5,5-tetramethyl- (2154-68-9)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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.