Item No. HW-21260-50G

Calconcarboxylic acid, for complexometry

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50G (1)

Overview

Overview


Name: Calconcarboxylic acid
Synonymn: 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid, 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid, Cal-Red®, Patton and Reeder’s reagent
Description: for complexometry

Container Type: Plastic Bottle

Molar Mass: 438.41 g/mol

Empirical Formula: C21H14N2O7S
Linear Formula: C21H14N2O7S

CAS Number: 3737-95-9
Bielstein Registry Number: 727492
EC Number: 223-117-0
MDL Number: MFCD00004078

Properties

Properties


SPECIFICATIONS

Identity (IR): complying
Appearance of the solution: complying
Water (Karl Fischer): max. 7 %
Suitability for complexometric Ca titration: complying
Absorption maximum: 638 - 648 nm
Absorbtion (1%/1cm): min. 100



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