Phenol red sodium salt indicator ACS

Code: 1117480005 D2-231

Not available outside of the UK & Ireland.

Analysis Note

  • 1st transition range: pH 1.2 - pH 3.0 brownish orange - yellow
  • 2nd transition range: pH 6.5 - pH 8.0 brownish yellow - red violet
  • Appearanc...


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Not available outside of the UK & Ireland.

Analysis Note

  • 1st transition range: pH 1.2 - pH 3.0 brownish orange - yellow
  • 2nd transition range: pH 6.5 - pH 8.0 brownish yellow - red violet
  • Appearance of solution: passes test
  • Loss on drying (110 °C): ≤ 8.0 %
  • Transition range (according to ACS): passes test

gradeACS reagent
InChI keyHKHYOKBQJILTEI-UHFFFAOYSA-M
InChI1S/C19H14O5S.Na/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19;/h1-12,20-21H;/q;+1/p-1
loss≤8.0% loss on drying, 110°C
mp285 °C
Quality Level200
storage temp.2-30°C
visual transition interval1.2-3.0, brown-orange to yellow(1st transition range), 6.5-8, brownish-yellow to red-violet(2nd transition range)
Cas Number34487-61-1
This product has met the following criteria to qualify for the following awards:



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