Melting point :>300°C
Density :1.02 g/mL at 20 °C
vapor pressure :0Pa at 25℃
Flash point :11 °C
storage temp. :Store at RT.
solubility :H₂O: 0.1 g/mL, dark red
Colour Index :45380
form :Solid
pka :2.9, 4.5(at 25℃)
color :Reddish
PH Range :0(yellow)-3(green fluoresc.)
PH :9.2 (10g/l, H2O, 20℃)
Water Solubility :freely soluble
λmax :514nm
Merck :14,3603
BRN :3586809
Stability :Stable. Incompatible with strong oxidizing agents.
Biological Applications :Treating age-related macular degeneration,burns,cancer,diabetes,obesity,dental bone defects,gastroesophageal reflux disease,prostate cancer,viral diseases; stents; wound-healing materials
Major Application :Photovoltaic devices, color filter, nanoscale host material, detection of latent fingerprints, inks, detergents, hair dyes, cosmetics, implantable drug delivery devices, stents, diagnosis of breast lesions, labeling nucleic acids, detecting proteins, stress biomarkers, phosphoprotein, breast cancer metastases, antimicrobial agent, treatment of burns, endodontic, diabetes, obesity, cancer, radiochemotherapy, DNA sequencing, gene expression profiling, wound healing promoters
LogP :-1.33
CAS DataBase Reference :17372-87-1(CAS DataBase Reference)
EPA Substance Registry System :Eosin Yellowish (YS) (17372-87-1)

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.