(o-)Cresol Red CAS NO.1733-12-6

Cresol Red Chemical Properties
Melting point     290 °C
Boiling point     479.59°C (rough estimate)
density     0.998 g/cm3
refractive index     1.5300 (estimate)
storage temp.     Store at +5°C to +30°C.
solubility     Solubility Sparingly soluble in water; soluble in ethanol
form     Powder
pka    1.0(at 25℃)
color     Dark green or brown-red
PH    7.2～8.8
PH Range    7.2(YELLOW)--8.8(PURPLISH RED)
Water Solubility     soluble
λmax    570nm, 367nm, 432nm
Merck     14,2578
BRN     343399
Major Application    Display device, optical sensors, combustion gas detection system, inks, correction fluid, diapers, toothpaste, identifying fresh and stale rice, food storage, determine glucose in dialysis solution, monitor metabolic activity of microorganisms, detect bacterialinfection, psychoactive drugs, dental impression material
InChIKey    ASMGMVUGPNODGX-UHFFFAOYSA-N
EPA Substance Registry System    Cresol Red (1733-12-6)              

Cresol Red Basic information
Product Name:    Cresol Red
Synonyms:    Phenol, 4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis2-methyl-;Cresol Red;Cresol Red, Indicator grade, pure 25GR;Cresol Red, Indicator grade, pure 5GR;Cresol Red (0.1% in ca. 20% Ethanol) [for Titration];3,3-Bis(3-methyl-4-hydroxyphenyl)-3H-2,1-benzoxathiole 1,1-dioxide;Cresol Red,pure,Indicator grade;o-Cresol Red p.a. (green powder)
CAS:    1733-12-6
MF:    C21H18O5S
MW:    382.43
EINECS:    217-064-2
Mol File:    1733-12-6.mol 

Safety Information
Hazard Codes     Xi,Xn,F
Risk Statements     36/37/38-20/21/22-11
Safety Statements     24/25-36-26-16
RIDADR     UN1170 - class 3 - PG 3 - Ethanol, solution
WGK Germany     3
TSCA     Yes
HS Code     29349990