Melting point :215-220 C
alpha :D24 -38° (c = 2.5 in 95% ethanol); D24 -33° (c = 2.5 in water)
storage temp. :Keep in dark place,Inert atmosphere,2-8°C
solubility :H2O: soluble50mg/mL
form :White to yellow solid
color :white to faintly beige
PH :7.5 (100g/l, H2O, 25℃)
optical activity :[α]20/D 48±3°, c = 1% in ethanol
Water Solubility :Soluble in water at 100mg/ml. Also soluble in ethanol or DMSOSoluble in water, ethanol, dimethyldulfoxide and methanol.
Merck :13,6755
BRN :3892910
Stability :Hygroscopic

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 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
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. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.