Melting point :200-203 °C(lit.)
Boiling point :494.73°C (rough estimate)
Density :1.2738 (rough estimate)
refractive index :1.6810 (estimate)
storage temp. :−20°C
solubility :acetone: soluble25mg/mL
form :Crystalline Powder
pka :6.4(at 25℃)
color :Light yellow
PH Range :Weak green uorescence (6.0) to strong green uorescence (7.2)
Water Solubility :Soluble in chloroform, DMSO, ethanol, and water.
λmax :490nm
BRN :62575
Major Application :LED devices, petroleum markers, identifying cancerous cells, detecting bacteria, virus, mitochondrial function in neurons, target molecules, living cells, viable Giardia cysts in water samples, apoptosis, evaluating live/dead state of algae, measurement of totalmicrobial activity in soil, treating ischemia
Biological Applications :Assessing membrane integrity/permeability;43–50 detecting/counting microorganisms; measuring microbial activity; as a substrate for measuring acylases activity, amidases activity,aminopeptidases activity, arylsulfatases activity,chymotrypsin activity, esterases activity;galactosidases activity, glucosidases activity, lipases activity, phosphatases activity, proteases activity; cell viability assay; cytotoxicity assay; implantable medical devices; as temperature sensor; treating ischemic disease
CAS DataBase Reference :596-09-8(CAS DataBase Reference)
EPA Substance Registry System :Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-bis(acetyloxy)- (596-09-8)

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
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. 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. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention.