Cresol Purple

Melting point :>250°C
Boiling point :577.5±50.0 °C(Predicted)
Density :1.404±0.06 g/cm3(Predicted)
bulk density :480kg/m3
storage temp. :room temp
solubility :Very slightly soluble in water, ethanol; soluble in methanol
form :Liquid
pka :1.51, 8.32(at 25℃)
color :Dark green
PH Range :1.2 (red) - 2.8 (yellow) and 7.4 (yellow) - 9.0 (purple)
Water Solubility :Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol.
ε(extinction coefficient) :≥ 11000 at 295-301nm at 0.01g/L (0.01 G/L in 0.005 N NAOH in Methanol)
≥26000 at 578-584nm at 0.01g/L (in 0.005 N NAOH in Methanol)
≥8000 at 369-375nm at 0.01g/L (in 0.005 N NAOH in Methanol) λmax :579nm, 371nm
Merck :14,2577
BRN :350314
Stability :Stable. Incompatible with strong oxidizing agents.
Major Application :Fuel cells, sensors, display device, falsification-proof security paper, inks, correction fluid, paints, detection of electrophilic gases, lubricants, cement products, packaging system, adhesive, cosmetics, food storage, determining glucose in dialysis solution, screening of cat diseases, detecting carbohydrates, oral hygiene products
EPA Substance Registry System :Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[3-methyl- (2303-01-7)

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 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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.