Melting point :>250℃
RTECS :SP7700000
storage temp. :room temp
solubility :H₂O: soluble
form :powder
pka :6.71(at 25℃)
color :Dark green to black
PH Range :Orange (3.8) to dark violet (6.5)
Odor :Odorless
Water Solubility :soluble
λmax :598 nm, 380 nm
Merck :14,8141
BRN :3794971
Stability :Stable. Incompatible with strong oxidizing agents.
Biological Applications :Detecting bile acids,glycosidase activity; as hydrolase substrate; in beer production; treating diabetic complications; enzymatic microplate assay; b-glucosidase assay; glutathione transferase assay
Major Application :Electrochemichromic solutions/devices (mirrors, glazings, partitions, filters, displays, lenses);oxygen-barrier packaging materials; oxidation-reduction (redox) indicator
InChIKey :IVGPGQSSDLDOLH-UHFFFAOYSA-M
CAS DataBase Reference :62758-13-8(CAS DataBase Reference)
EPA Substance Registry System :3H-Phenoxazin-3-one, 7-hydroxy-, 10-oxide, sodium salt (62758-13-8)

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 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. P271 Use only outdoors or in a well-ventilated area. 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.