PATTON AND REEDER’S REAGENT AR

Calconcarboxylic acid

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Article No.
05131
Grade
AR
Purity
CAS No.
3737-95-9
Molecular Formula
C21H14N2O7S
Molecular Weight
438.42
H.S. Code
2927.0090
Shelf Life
60 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
Dark red powder
Odour
Odorless
Melting point/ Freezing point [°C]
300 °C
Solubility in water [% weight]
8 g/l at 20 °C
Partition coefficient Log Pow octanol / water at 20°C
4.48

Packings

  • 1GBA000015

    5 g (00005)

  • 1PB1200060

    25 g (00025)

 

Specifications

Appearance Dark purple to black powder
Absorption maxima 569 - 572 nm
Absorptivity (A 1%/1cm; at lmax) Min 250
Loss on dryig (at 135°C) Max 7%
Suitability (as complexometric indicator) Passes test

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date : 17-Mar-2018
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