Calmagite triethanolammonium salt
Calmagite triethanolammonium salt (CAS 91698-30-5), with the empirical formula C17H14N2O5S · C6H15NO3, is a complex salt used primarily as a metallochromic indicator. It is particularly effective in complexometric titrations, specifically for the determination of calcium and magnesium ions when using EDTA as the titrant. This compound is a key reagent in analytical chemistry laboratories.
- IUPAC
- 1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid
Metallochromic Indicator
Calmagite triethanolammonium salt serves as a vital indicator in titrations involving metal ions. Its distinct colour change signifies the endpoint of the reaction, enabling accurate quantitative analysis.
EDTA Titration Reagent
This salt is specifically employed in the complexometric titration of calcium and magnesium ions using ethylenediaminetetraacetic acid (EDTA). The indicator forms a complex with the metal ions, and the colour change occurs when EDTA chelates the metal more strongly.
Analytical Chemistry
As a specialised indicator, it finds application in various analytical procedures within academic and industrial research laboratories, contributing to precise chemical measurements.
| Empirical formula | C17H14N2O5S · C6H15NO3 |
|---|---|
| Application | Used as an indicator in the titration of calcium or magnesium with EDTA. |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Calmagite triethanolammonium salt used for?
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Calmagite triethanolammonium salt is used as a metallochromic indicator in the complexometric titration of calcium and magnesium with EDTA.
What is the CAS number and formula for Calmagite triethanolammonium salt?
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The CAS number is 91698-30-5 and the empirical formula is C17H14N2O5S · C6H15NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Calmagite triethanolammonium salt for laboratory and research use. The specific assay and purity are detailed on the product's Certificate of Analysis. It is not supplied as USP, BP, or EP grade.
How should Calmagite triethanolammonium salt be handled?
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Handle with care using appropriate personal protective equipment, including a dust mask (N95 recommended), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. It is classified as a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Is Calmagite triethanolammonium salt suitable for export?
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Yes, Tech Serve Solutions, a global supplier and exporter since 1998, can export Calmagite triethanolammonium salt. Please contact us for international shipping details.
How can I request a sample or quote for Calmagite triethanolammonium salt?
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To request a sample or a quote, please use the contact form on our website or email our sales department directly, referencing product CAS 91698-30-5.
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