Patton-reeders reagent (Calconcarboxylic acid dihydrate) indicator for metal titration, Supelco®
Supplier: MilliporeSigma
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Warning
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Synonyms:
2,2'-Dihydroxy-4'-sulpho-1,1'-azonaphthalene-3-carboxylic acid dihydrate, 2,2'-Dihydroxy-4'-sulfo-1,1'-azonaphthalene-3-carboxylic acid dihydrate
M-Clarity™ quality level = MQ200
1.04595.0005
1.04595.0025
1.04595.0005
1.04595.0025
EM1.04595.0005CS
26452.36
CAD
EM1.04595.0005
EM1.04595.0025
CA1.04595.0005
CA1.04595.0025
Patton-reeders reagent (Calconcarboxylic acid dihydrate) indicator for metal titration, Supelco®
Patton-reeders reagent (Calconcarboxylic acid dihydrate)
Formula:
C₂₁H₁₄N₂O₇S·2H₂O MW: 474.45 g/mol |
MDL Number:
MFCD00004078 CAS Number: 3737-95-9 EINECS: 223-117-0 |
Specification Test Results
Identity (UV/VIS-Spectrum) | passes test |
Appearance of solution (0.1 g/l; ethanol) | passes test |
Absorption maximum λmax. (Ethanol) | 569 - 572 nm |
Spec. Absorptivity A 1%/1cm (λmax.; 0.025 g/l; ethanol; calc. on water free substance) | ≥ 250 |
Water (according to Karl Fischer) | ≤ 9 % |
Suitability as indicator (for metal titration) | passes test |
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