Phenol Red Sodium Salt, CAS # 34487-61-1, MF: C19H13NaO5S, MW: 376.36, >98%, 1 kg

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CFAH-0102-1000

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Product	Phenol Red Sodium Salt
CAS Number	34487-61-1
Catalog Number	CFI-0718-1
Molecular Formula	C19H13NaO5S
Molecular Weight	376.36
Appearance	Powder
Purity	>98% (HPLC)
Synonyms	Phenolsulfonephthalien sodium salt
Melting point	285 °C
NMR	Consistent with Structure
Loss on Drying	1 %
Transition Range, pH 1.2-3.0	Brownish Orange – Yellow
Transition Range, pH 6.5-8.0	Brownish Orange – Red Violet
Absorption Maximum, pH 1.2	503 to 506 nm
Absorption Maximum, pH 302	430 to 435 nm
Absorption Maximum, pH 6.5	430 to 435 nm
Absorption Maximum, pH 8.0	557 to 560 nm
Size	1 kg
Absorptivity (Dried), pH 1.2	880 to 950 nm
Absorptivity (Dried), pH 3.0	560 to 620 nm
Absorptivity (Dried), pH 6.5	560 to 620 nm
Absorptivity (Dried), pH 8.0	970 to 1100 nm
Storage	Store at -20° C, keep dry and protect from light
MDL Number	MFCD00066901

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