Melting point :196-197°C
Flash point :11 °C
storage temp. :2-8°C
solubility :H₂O: soluble
form :powder
pka :9.4(at 25℃)
color :white to off-white
PH :4.5～6.0 (10g/l, 25℃)
Water Solubility :almost transparency
Merck :14,487
Henry's Law Constant :1.4×10² mol/(m³Pa) at 25℃, HSDB (2015)
BCS Class :1
InChI :InChI=1S/C20H23N.ClH/c1-21(2)15-7-12-20-18-10-5-3-8-16(18)13-14-17-9-4-6-11-19(17)20;/h3-6,8-12H,7,13-15H2,1-2H3;1H
InChIKey :KFYRPLNVJVHZGT-UHFFFAOYSA-N
SMILES :CN(CC/C=C1/C2=C(C=CC=C2)CCC2=C/1C=CC=C2)C.[H]Cl
CAS DataBase Reference :549-18-8(CAS DataBase Reference)
EPA Substance Registry System :Amitriptyline hydrochloride (549-18-8)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.