Melting point :240 °C (dec.) (lit.)
bulk density :515kg/m3
Density :1.6509 (estimate)
Flash point :36 °C
storage temp. :Store at +5°C to +30°C.
solubility :ethanol: soluble1mg/mL
form :Solid
pka :6.21, 6.3, 6.4(at 25℃)
Boiling point :590.2±50.0 °C(Predicted)
color :Purplish-brown
PH Range :5.2(yellow)-6.8(purple)
PH :pH : 5.2～6.8
Water Solubility :practically insoluble
λmax :419nm, 433nm, 591nm
ε(extinction coefficient) :≥22000 at 418-424nm in methanol
Merck :14,1387
BRN :359618
Stability :Stable. Incompatible with strong oxidizing agents.
Major Application :Waveguides, fuel cells, sensors, sol-gel technology, display device, falsification-proof security paper, paints, detergents, identifying fresh and stale rice, detecting lactic acid bacteria, dental materials, vaginal infection test method
InChIKey :ABIUHPWEYMSGSR-UHFFFAOYSA-N
CAS DataBase Reference :115-40-2(CAS DataBase Reference)
EPA Substance Registry System :Bromcresol Purple (115-40-2)

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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.