Bromcresol Purple CAS NO.115-40-2

Bromocresol Purple Chemical Properties
Melting point     240 °C (dec.) (lit.)
density     1.6509 (estimate)
Fp     36 °C
storage temp.     Store at +5°C to +30°C.
solubility     ethanol: soluble1mg/mL
pka    6.21, 6.3, 6.4(at 25℃)
form     Solid
Boiling point     590.2±50.0 °C(Predicted)
color     Purplish-brown
PH    pH : 5.2～6.8
PH Range    5.2(yellow)-6.8(purple)
Water Solubility     practically insoluble
λmax    419nm, 433nm, 591nm
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)        

Bromocresol Purple Basic information
Product Name:    Bromocresol Purple
Synonyms:    4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-methylphenol)s,s-dioxide;4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-o-cresol)s,s-dioxide;4,4’-(3H-2,1-Benzoxathiol-3-ylidene)bis[2-bromo-b-methylphend]S,S-dioxide;Bromocresol purple indicator solution (for microbial limit check);3',3''-DIBROMO-O-CRESOLSULFONPHTHALEIN;Bromocresol Purple, indicator grade, pure;Phenol, 4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis2-bromo-6-methyl-;BCP
CAS:    115-40-2
MF:    C21H16Br2O5S
MW:    540.22
EINECS:    204-087-8
Mol File:    115-40-2.mol 

Safety Information
Hazard Codes     Xi,Xn
Risk Statements     36/37/38-10-20/21/22
Safety Statements     26-36-37/39-16
RIDADR     UN 1993 3/PG 3
WGK Germany     3
TSCA     Yes
HS Code     29349990