Chlorophenol Red

Melting point :261 °C (502 °F; 534 K)
Boiling point :583.0±50.0 °C(Predicted)
bulk density :720kg/m3
Density :1.4641 (estimate)
Flash point :Not applicable
storage temp. :Store below +30°C.
solubility :Solubility Sparingly soluble in water; soluble in ethanol
pka :6.0(at 25℃)
form :powder to crystal
color :Light yellow to Brown
PH :4.8-6.7, yellow to violet
PH Range :4.8(yellow)-6.8(red)
Water Solubility :insoluble
λmax :572nm
ε(extinction coefficient) :≥12000 at 295-301nm in 0.1 M NaOH
≥45000 at 573-579nm in 0.1 M NaOH
≥5000 at 368-374nm in 0.1 M NaOH BRN :354053
Major Application :Waveguide, sol-gel matrix, display device, tin electroplating process, inks, lubricants, detergents, preservation of cut flowers, cosmetics, identifying fresh and stale rice, determining acidity in wine, food storage, detecting lactic acid bacteria, enzyme assays, diagnosis of bacterial and fungal infection, oral hygiene products
InChI :1S/C19H12Cl2O5S/c20-14-9-11(5-7-16(14)22)19(12-6-8-17(23)15(21)10-12)13-3-1-2-4-18(13)27(24,25)26-19/h1-10,22-23H
InChIKey :WWAABJGNHFGXSJ-UHFFFAOYSA-N
SMILES :Oc1ccc(cc1Cl)C2(OS(=O)(=O)c3ccccc23)c4ccc(O)c(Cl)c4
CAS DataBase Reference :4430-20-0(CAS DataBase Reference)
EPA Substance Registry System :Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-chloro- (4430-20-0)

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.