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Phenol Red Indicator (Sodium salt / Water soluble)  ACS Group Picture

Phenol Red Indicator (Sodium salt / Water soluble) ACS

Excl. VAT Incl. VAT

£26.41 to £52.82

Code: Please choose option from drop down above
  Pack Size List Price Qty  
photo_camera 10g
RRBD25680-U
£26.41
photo_camera 25g
RRBD25680-W
£52.82

Phenol red (also known as phenolsulfonphthalein or PSP) is a pH indicator frequently used in cell biology laboratories.

  • pH Indicator
  • Etrogen Mimic
  • Water Testing Indicator

Minimum Assay: 90%
Molecular Formula: C19H13NaO5S
Molecular Weight: 376.35 g/mol
Melting Point: 285 °C
Transition Range:
pH1.2 (Brownish Orange) - pH 3.0 (Yellow)
pH6.5 (Brownish/Yellow) -pH8.0 (Red/Violet)

Maximum Absorption (pH6.5): 430-435nm
Absorptivity (E1%1cmCell pH6.5): 560-620
Maximum Absorption (pH68.2): 557-560nm
Absorptivity (E1%1cmCell pH8.2): 970-1100
Loss on Drying: <5%

Cas Number: 34487-61-1

Einecs Number: 252-057-8

HS Code / Commodity Code: 32041900

Hazard Phrases: H315,H319,H335

Prec Phrases: P261,P280,P305+P351+P338,P304+P340,P405,P501A

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