About CACOTHELINE AR (REDOX INDICATOR)
CACOTHELINE GR (REDOX INDICATOR) 5 gm
(Reagent for tin and Vanadium 10 x 5 gm
redox indicator for Fe (III) and Ca)
C21H21N3O7HNO3.H2O M.W. 508.44
Assay(ex N) min. 95%
Water max. 5%
Sulphated ash max. 0.1%
Suitability for
determination of metal passes test
CAS No. 561-20-6 Un No. 6.1 TARIFF : 3204 90 00
S : 22-24/25
Efficient Redox DetectionCACOTHELINE AR serves as a reliable redox indicator, notably for titrations involving Fe(II) and Fe(III) ions. Its distinct color transition from red to colorless enhances accuracy in endpoint detection, supporting precise analytical results for university and laboratory applications.
Chemical Properties and HandlingThe product is a yellow powder or crystal with neutral pH in aqueous solution and a melting point of 150C (decomposes). For safety, users should handle it with care, avoid skin contact, and store it in a cool, dry, and closed environment. The solid, stable form allows for convenient packaging and delivery.
Versatile Packaging and StabilityAvailable in 25 g, 100 g, or larger bottles, CACOTHELINE AR is adaptable to diverse laboratory or industrial scales. With a five-year shelf life when stored at appropriate conditions, it supports long-term research, trading, and educational usage throughout India.
FAQ's of CACOTHELINE AR (REDOX INDICATOR):
Q: How is CACOTHELINE AR typically used in laboratory settings?
A: CACOTHELINE AR is used primarily as a redox indicator in laboratory titrations, especially for quantifying iron ions such as Fe(II) and Fe(III). It helps identify the endpoint by changing color from red to colorless, ensuring accurate titration results.
Q: What is the solubility profile of this indicator in common solvents?
A: CACOTHELINE AR is slightly soluble in water but dissolves readily in ethanol, making ethanol a preferred solvent for preparing its solutions during titration procedures.
Q: When should I expect a color change during a titration using CACOTHELINE AR?
A: The indicator changes from red to colorless at the titration endpoint. This visible shift indicates that the redox reaction is complete, enabling precise determination of analyte concentration.
Q: Where and how should I store CACOTHELINE AR to preserve its quality?
A: Store the compound in a cool, dry place with the bottle tightly closed. Proper storage preserves its stability and effectiveness for up to five years.
Q: What precautions are necessary when handling this chemical?
A: Since it is classified as an irritant, always handle with care. Use appropriate personal protective equipment such as gloves and goggles, and avoid inhalation and skin contact.
Q: What are the advantages of using CACOTHELINE AR as a redox indicator?
A: This indicator provides clear, sharp color transitions, which makes endpoint detection straightforward and highly reliable, reducing the risk of analytical errors in redox titrations.