Pyrocatechol Violet
Pyrocatechol Violet (CAS: 115-41-3; Formula: C19H14O7S; Molar Mass: 386.38 g/mol) is a chemical compound primarily utilised as a complexometric indicator in analytical chemistry. Its distinct colour changes at specific pH levels make it valuable for determining endpoints in titrations, particularly for metal ions. This versatile reagent finds application in various laboratory settings requiring precise chemical analysis.
- IUPAC
- Catechol violet,Pyrocatecholsulfonphthalein
Complexometric Indicator
Pyrocatechol Violet serves as a reliable complexometric indicator. It forms distinct coloured complexes with metal ions, allowing for the visual determination of titration endpoints in the analysis of various metallic species.
Analytical Reagent
This compound is employed as a general analytical reagent in laboratories. Its properties are useful in various quantitative and qualitative analyses, contributing to the accuracy of chemical measurements.
Staining and Dye Applications
Categorised under stains and dyes, Pyrocatechol Violet may find use in histological and cytological preparations, aiding in the visualisation of cellular structures or components in research and diagnostic settings.
| Molecular weight | 386.38 |
|---|---|
| Empirical formula | C19H14O7S |
| Application | Complexometric indicator |
| Suitability | suitable for indicator |
| Melting point | 185 °C (dec.)(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 Pyrocatechol Violet used for?
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Pyrocatechol Violet is primarily used as a complexometric indicator in analytical chemistry for determining endpoints in titrations, particularly for metal ions. It also serves as a general analytical reagent and may be used in staining applications.
What are the CAS number and chemical formula for Pyrocatechol Violet?
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The CAS number for Pyrocatechol Violet is 115-41-3, and its chemical formula is C19H14O7S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pyrocatechol Violet as a technical/research grade chemical. We do not represent it as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated in the product specifications.
How should Pyrocatechol Violet be handled safely?
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When handling Pyrocatechol Violet, ensure adequate personal protective equipment is worn, including eyeshields and gloves. A respirator with a type N95 (US) or type P1 (EN143) filter is recommended. Refer to the safety data sheet for comprehensive handling information. It is classified under WGK Germany 3, indicating a high hazard level.
Is Pyrocatechol Violet a controlled substance?
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The provided data does not indicate that Pyrocatechol Violet is a controlled substance.
How is Pyrocatechol Violet packed, shipped, and exported?
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Tech Serve Solutions carefully packs and ships chemicals globally, adhering to international regulations for the export of laboratory reagents and fine chemicals. Specific packaging details are available upon request.
How can I request a quote or sample for Pyrocatechol Violet?
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To request a quote or sample for Pyrocatechol Violet, please contact our sales team through the website or by phone, providing your specific requirements.
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