Monograph pubs.acs.org/doi/book/10.1021/acsreagents
Crystal Violet (Hexamethylpararosaniline Chloride) (Gentian Violet) Part 4, Monographs for Reagent Chemicals: General Descriptions, Specifications, and Tests eISBN: 9780841230460 Tom Tyner Chair, ACS Committee on Analytical Reagents James Francis Secretary, ACS Committee on Analytical Reagents
ABSTRACT This monograph for Crystal Violet provides, in addition to common physical constants, a general description including typical appearance, applications, and aqueous solubility. The monograph also details the following specifications and corresponding tests for verifying that a substance meets ACS Reagent Grade specifications including: Assay, Sensitivity as Indicator, Loss on Drying, and Absorbance Characteristics.
C25H30ClN3
Formula Wt 407.99
CAS No. 548-62-9
GENERAL DESCRIPTION Typical appearance . . . . . . . . . . . . . . . . . . . dark green powder or greenish glistening pieces with metallic luster Applications . . . . . . . . . . . . . . . . . . . . . . . . indicator for copper salts Aqueous solubility . . . . . . . . . . . . . . . . . . . . soluble
SPECIFICATIONS Assay . . . . . . . . . . . . . . . . . . . . . . . . . . . . ≥90.0% C25H30ClN3
© 2017 American Chemical Society
A
DOI:10.1021/acsreagents.4102 ACS Reagent Chemicals, Part 4
ACS Reagent Chemicals
Monograph
pubs.acs.org/doi/book/10.1021/acsreagents
Sensitivity as indicator . . . Residue on ignition (Ash). . Loss on drying . . . . . . . . Absorbance characteristics
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Passes test ≤1.5%