m-Cresol purple sodium salt 90% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
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M-Clarity™ quality level = MQ200
211761-10G
211761-1G
211761-5G
211761-10GEA
181
GBP
211761-10G
211761-1G
211761-5G
m-Cresol purple sodium salt 90% (dye content), Sigma-Aldrich®
m-Cresol purple sodium salt
m-cresol purple sodium salt (MCP) is a colorimetric pH indicator dye. The dye is blue in anionic form and yellow in protonated form. It has been used to measure pH of seawater using a spectrophotometer.
Formula:
C₂₁H₁₇NaO₅S MW: 404.42 g/mol Storage Temperature: Room Temperature |
MDL Number:
MFCD00010177 CAS Number: 62625-31-4 EINECS: 263-656-9 |
Specification Test Results
Appearance (Colour) | Black |
Appearance (Form) |
Conforms to Requirements Powder, Crystalline Powder or Flakes |
Infrared spectrum | Conforms to Structure |
Wavelength |
433 - 439 nm c = 0.008 g/l, H₂O |
Extinction Coefficient | ≥15000 |
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