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PYROCATECHOL VIOLET AR
For the Colorimetric determination of metals.
Used in a rapid and sensitive method for tin.
Catechol violet; Pyrocatecholsulfonphthalein
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
COAs
Packings
1 g
(00001)
5 g
(00005)
Print friendly version
Article No.
05505
Grade
AR
Purity
CAS No.
115-41-3
Molecular Formula
C
1
9
H
1
4
O
7
S
Molecular Weight
386.38
H.S. Code
3204.9000
Shelf Life
60 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
Yellow to pink
Melting point/ Freezing point [°C]
185 °C
Solubility in water [% weight]
Soluble in water
Specifications
Appearance
Dark green to green metallic or Brown Crystalline powder
Absorption maxima (in methanol)
441 to 449 nm
Specific absorptivity A1%/1 cm (λmax; methanol)
Min 375
Appearance of solution (0.1% aq. solution )
Clear
Suitability (for complexometric determination of metal oxides)
Passes test
Revision Date:
03-Oct-2015
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PYROCATECHOL VIOLET