Melting point :281-282°C
Boiling point :358.94°C (rough estimate)
Density :1.1402 (rough estimate)
refractive index :1.6660 (estimate)
Flash point :9℃
storage temp. :Sealed in dry,Room Temperature
solubility :Very slightly soluble in water, slightly soluble in ethanol (96 per cent). It dissolves in alkaline solutions.
form :Solid
pka :12.26±0.40(Predicted)
color :White to Off-White
Water Solubility :<0.1 g/100 mL at 19 ºC
Merck :14,7746
BCS Class :2
InChIKey :DQMZLTXERSFNPB-UHFFFAOYSA-N
CAS DataBase Reference :125-33-7(CAS DataBase Reference)
NIST Chemistry Reference :Primidone(125-33-7)
IARC :2B (Vol. 108) 2016
EPA Substance Registry System :Primidone (125-33-7)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
Precautionary statements:	P201 Obtain special instructions before use. 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. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P308+P313 IF exposed or concerned: Get medical advice/attention.