Chlorophenol red, AnalaR NORMAPUR® indicator
Supplier: VWR Chemicals
Synonyms:
3,3-Bis(3-chloro-4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide, 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis[2-chlorophenol] S,S-dioxide
85921.100EA
39.4
EUR
85921.100
85921.130
Chlorophenol red, AnalaR NORMAPUR® indicator
Chlorophenol red
Formula:
C₁₉H₁₂Cl₂O₅S MW: 423,27 g/mol Melting Pt: ∼261 °C Storage Temperature: Ambient |
MDL Number:
MFCD00005877 CAS Number: 4430-20-0 EINECS: 224-619-2 |
Specification Test Results
Green to red-brown to brown powder | Passes test |
Solubility in ethanol (0.1 %) | Clear solution |
Visual transition interval | pH 4.8 - pH 6.4 |
Loss on drying | ≤ 8.0 % |
Absorption max. λ (0.1 mol/l NaOH) | 572 - 575 nm |
Absorptivity (1 %; 1 cm; λmax) | ≥ 1000 |
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About VWR
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