Phenol red sodium salt, AnalaR NORMAPUR® ACS indicator
Supplier: VWR Chemicals
Synonyms:
3,3-Bis(4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide, sodium salt, Phenol red water soluble, Sodium hydrogen 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bisphenolate S,S-dioxide
85920.130EA
102
GBP
85920.130
85920.100
Phenol red sodium salt, AnalaR NORMAPUR® ACS indicator
Phenol red sodium salt
Formula:
C₁₉H₁₃NaO₅S MW: 376,35 g/mol |
MDL Number:
MFCD00066901 CAS Number: 34487-61-1 |
Specification Test Results
Appearance | Dark red to brown powder |
Visual transition interval | pH 6.5 - pH 8.2 |
Loss on drying (110°C) | ≤ 5 % |
Absorption max. λ 1 (pH 6.5) | 430 - 435 nm |
Absorption max. λ 2 (pH 8.2) | 557 - 560 nm |
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