Molekula
Violet de catéchol (Pyrocatéchol Violet) - SNA
Catechol Violet (Pyrocatechol Violet)- SNA
Certifié ISO 9001:2015 & ISO 14001:2015 · Fournisseur pour laboratoires et industries depuis 2000 · Certificat d’Analyse (CoA) pour chaque lot
Catechol Violet (Pyrocatechol Violet) is a synthetic organic dye and pH indicator, widely used in analytical chemistry for titrations, complexometric assays, and as a visual indicator in acid-base reactions due to its distinct color changes. It appears as a dark green to black powder, soluble in water and alcohol, transitioning from yellow to violet across pH 1.2–3.0. CAS 115-41-3, molecular formula C19H14O7S with a molecular weight of 386.38 g/mol. Stable at ambient conditions with no signal word required. Molekula supplies Catechol Violet from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Aperçu
Catechol Violet (Pyrocatechol Violet) is a synthetic organic dye and pH indicator, widely used in analytical chemistry for titrations, complexometric assays, and as a visual indicator in acid-base reactions due to its distinct color changes. It appears as a dark green to black powder, soluble in water and alcohol, transitioning from yellow to violet across pH 1.2–3.0. CAS 115-41-3, molecular formula C19H14O7S with a molecular weight of 386.38 g/mol. Stable at ambient conditions with no signal word required. Molekula supplies Catechol Violet from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Prix et formats de conditionnement
Prix sur demande — emballages disponibles de la recherche à la quantité industrielle.
Les prix ne comprennent pas la TVA, les taxes sur les ventes ni les frais d'expédition. Des emballages en grande quantité et sur mesure sont disponibles sur demande.
Spécifications
| Property | Value |
|---|---|
| Appearance | Dark red, green or brown powder |
| Loss on Drying (110(C for 60 min.) | < 7% |
| Suitability as indicator for complexometry | Passes test |
| Dye content (by spectrophotometry) | > 90% |
| Solubility 0.1% (MeOH) | Clear solution |
| Absorptivity (A 1%/1 cm) in methanol | > 380 |
| Absorption Maximum (in MeOH) | 442-446 nm |
Stockage et manipulation
| Property | Value |
|---|---|
| Température de stockage | Ambient |
| Acidité | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90038262 |
| Numéro CAS | 115-41-3 |
| Formule moléculaire | C19H14O7S |
| Masse moléculaire | 386.38 |
| SMILES | - |
| Code REACH | Y113 |
| Inscrit au TSCA | Oui |
| Code HTS | 2934.99.9001 |
| Code tarifaire | 2934999090 |
Sécurité et GHS
Déclarations de précaution
- P280 Porter des gants de protection/des vêtements de protection/un équipement de protection des yeux/du visage/une protection auditive/...
Documents
Certificat d'analyse (CoA) par lot
Saisissez un numéro de lot ou de série pour récupérer le certificat d'analyse correspondant à ce lot spécifique. Nous pouvons en générer un à partir des données de spécification si aucun PDF n'est disponible.
Synonymes
Aucun autre nom enregistré pour ce produit.
Questions fréquentes
What is Catechol Violet (Pyrocatechol Violet) used for?
Catechol Violet is primarily used as a pH indicator in analytical chemistry, particularly in the range of pH 1.2–2.8, transitioning from yellow to violet. It is also employed in some biochemical assays and as a stain in microscopy.
What is the chemical formula and molecular weight of Catechol Violet?
The chemical formula is **C19H14O7S**, and the molecular weight is **386.38 g/mol**.
How should Catechol Violet be stored?
Store Catechol Violet at **ambient temperature** in a tightly sealed container, away from moisture and direct sunlight.
What grades or purities of Catechol Violet does Molekula supply?
Molekula supplies **analytical grade** Catechol Violet, suitable for laboratory and research applications requiring high purity.
Can Molekula supply Catechol Violet in bulk quantities?
Yes, Molekula can provide Catechol Violet in **bulk quantities** upon request, subject to availability and order specifications.
What documentation comes with an order of Catechol Violet?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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