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Pyrogallol Red AR | 02233 Pallav Chemicals | MSDs COA

Home > Pallav Chemicals > Biological Stains and Dyes > Pyrogallol Red AR

Pyrogallol Red AR
Metal (pM) Indicator Pyrogallolsulfonephthalein

Product Code.
 02233
Grade
Purity
CAS No.
 32638-88-3
Molecular Formula
 C19H12O8S
Molecular Weight
 400.04
H.S.Code
 2934.99000
Shelf Life
 60 Months
COAs

Physical Properties

Physical state at 20 °C
Solid
 Colour
Dark brown powder
 Melting point/ Freezing point [°C]
>= 300 °C
Boiling point [°C]
148 - 150 °C
 Initial boiling point [°C]
148°C
 Final boiling point [°C]
150 °C
Density [g/cm3]
0.988
 Solubility in water [% weight]
Insoluble in water

Packaging

Specification

Appearance
Green to brown colored powder
Absorption maxima in pyridine/water
540 - 546 nm
Absorptivity (A 1%/1cm; at lmax)
Min 850
Loss on dryig (at 135°C)
Max 5%
Residue on ignition (as SO4)
Max 1%

Safety Information and Hazard Symbols