Specification Sheet
Product Name Cresol red solution,
0.04 wt. % in H2O
Product Number 318841
Product Brand SIAL
CAS Number 1733-12-6
Molecular Weight 382.43
 
TEST SPECIFICATION
APPEARANCE RED LIQUID
UV-VISIBLE SPECTRUM IN ETHANOL
  E426(+/-3)NM = 21,000 (MINIMUM)
  E272(+/-3)NM = 10,500 (MINIMUM)
VISUAL TRANSITION PH 0.0 = RED
INTERVAL PH 1.0 = YELLOW
  PH 7.0 = YELLOW
  PH 8.8 = RED
  APPROVED JUNE 20, 2007 RJM