21260
Fluka

Calconcarboxylic acid

SKU
21260
for complexometry
Synonym(s)
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
General Information:
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Brand
Fluka
Beilstein Registry Number CAS Numbers (All) EC Number Linear Formula
C21H14N2O7S
MDL Number Molar Mass
438.41 g/mol
Synonyms
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

Documents

Specifications

PropertyValue
Identity (IR)complying
Appearance of the solutioncomplying
Water (Karl Fischer)Max. 7 %
Suitability for complexometric Ca titrationcomplying
Absorption maximum638 - 648 nm
Absorbtion (1%/1cm)Min. 100

Properties

PropertyValue
Boiling Point/RangeNo data available
ColorDark Violet
DensityNo data available
FlashpointNot applicable
FormPowder
GradeComplexometric Indicator
Incompatible MaterialsStrong oxidizing agents, Strong acids
Lower Explosion LimitNot applicable
Melting Point/Range300 °C
Partition CoefficientNo data available
Solubility in Water8 g/l
Upper Explosion LimitNot applicable
Vapor PressureNo data available
ViscosityNo data available
pH-ValueNo data available
Storage TemperatureAmbient

Safety Information

PropertyValue
Hazard ClassN/A
Package GroupN/A
UN IDN/A
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