Patton-reeders reagent (Calconcarboxylic acid dihydrate) indicator for metal titration, Supelco®
Supplier: MilliporeSigma
Certificates
About this item
Synonyms: 2,2'-Dihydroxy-4'-sulpho-1,1'-azonaphthalene-3-carboxylic acid dihydrate,2,2'-Dihydroxy-4'-sulfo-1
Formula:C₂₁H₁₄N₂O₇S·2H₂O
MW:474.45 g/mol
MDL Number:MFCD00004078
CAS Number:3737-95-9
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:M-Clarity™ quality level = MQ200
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:M.W. 474.45 g/mol
EINECS:223-117-0
:GHS07
:MQ200
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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
- Supelco®, Patton-reeders reagent (Calconcarboxylic acid dihydrate) indicator for metal titration:
Specification Test Results
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