PYROCATECHOL VIOLET AR

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PYROCATECHOL VIOLET AR Specification

Physical Form
Powder

Molecular Weight
354.38 g/mol

Application
pH indicator complexometric titrations

Grade
AR (Analytical Reagent)

Ingredients
Pyrocatechol violet

Properties
pH-sensitive forms colored complexes with metal ions

Usage
Chemical analysis laboratory research

Melting Point
295300 C (decomposes)

CAS No
115-41-3

Solubility
Soluble in water alcohol and acetone

EINECS No
204-091-7

Molecular Formula
C19H14O5S

Ph Level
pH indicator range: 0.05.2

Smell
Odorless

Shape
Powder form

Purity
99%

HS Code
2932.29

Storage
Store in a cool dry place away from direct sunlight

Density
Gram per cubic centimeter(g/cm3)

Shelf Life
2 years under proper storage conditions

Appearance
Dark purple powder

Poisonous
YES

Structural Formula
C19H14O5S (depicting aromatic rings and sulfonic acid group)

Taste
Bitter

About PYROCATECHOL VIOLET AR

Pyrocatechol Violet AR is a dark purple powder commonly used in chemical analysis and laboratory research applications as a pH indicator for complexometric titrations. With a molecular weight of 354.38 g/mol and a purity of 99%, this pH-sensitive compound forms colored complexes with metal ions. It exhibits a bitter taste, odorless smell, and soluble properties in water, alcohol, and acetone. The powder is stored in a cool, dry place away from direct sunlight and has a shelf life of 2 years under proper conditions. Pyrocatechol Violet AR, with a pH indicator range of 0.05.2, showcases its presence in the analytical reagent grade.