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Patton and Reeder's reagent AR | 01936 Pallav Chemicals | MSDs COA

Home > Pallav Chemicals > Complexometric Indicators > Patton and Reeder's reagent AR

Patton and Reeder's reagent AR
Calconcarboxylic acid ; [2-hydroxy-(2-hydroxy-4-sulpho-1-naphthylazo)-3naphthoic acid]

Product Code.
 01936
Grade
 AR
Purity
CAS No.
 3737-95-9
Molecular Formula
 C21H14N2O7S
Molecular Weight
 438.42
H.S.Code
 2927.00900
Shelf Life
 60 Months
COAs

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

Packaging

Specification

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

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338