Phenol red sodium salt (A4233)
AppliChem GmbH1. Transition interval: pH 1.2 - 3.0 (orange - yellow)2. Transition interval: pH 6.5 - 8.0 (brownyellow - red-violet)Formula: C19H13NaO5SM: 376.36 g/molCAS-No.: 34487-61-1HS-No.: 29349990EC-No.: 252-057-8Storage: RTLGK: 10 - 13Disposal: 3Specification: Assay (photometr.): min. 95 %