Molekula
Cresolrot-Natriumsalz
Cresol Red sodium salt
ISO 9001:2015 & ISO 14001:2015 zertifiziert · Lieferant für Laboratorien und Industrie seit 2000 · Analysezertifikat (Certificate of Analysis, CoA) für jede Charge
Cresol Red sodium salt is a pH-sensitive dye used as an acid-base indicator, particularly in titrations and analytical chemistry for detecting pH changes around 7.4–9.0. It appears yellow in acidic solutions and red in alkaline conditions, making it useful in biological and clinical assays. This chemical has a CAS number of 62625-29-0, molecular formula C21H17NaO5S, and a molecular weight of 404.41 g/mol. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies Cresol Red sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Übersicht
Cresol Red sodium salt is a pH-sensitive dye used as an acid-base indicator, particularly in titrations and analytical chemistry for detecting pH changes around 7.4–9.0. It appears yellow in acidic solutions and red in alkaline conditions, making it useful in biological and clinical assays. This chemical has a CAS number of 62625-29-0, molecular formula C21H17NaO5S, and a molecular weight of 404.41 g/mol. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies Cresol Red sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Preise und Verpackungsgrößen
Spezifikationen
| Property | Value |
|---|---|
| Appearance | Orange to orange-brown to very dark brown crystalline powder and/or crystals |
| Loss on Drying | ≤5% (1 hour @ 110°C) |
| Assay | ≥90% (Spectrophotometry) |
| Visual Transition Interval | From pH 0.2 (orange) To pH 2.5 (Brownish-yellow) From pH 6.8 (yellow) To pH 8.8 (purple) |
| Solubility (1mg/ml H2O) | Clear, dark red solution |
Lagerung und Handhabung
| Property | Value |
|---|---|
| Lagertemperatur | Ambient |
| Säuregehalt | Neutral |
Identifizierung
| Property | Value |
|---|---|
| SKU | 21771676 |
| CAS-Nummer | 62625-29-0 |
| Molekülformel | C21H17NaO5S |
| Molekulargewicht | 404.41 |
| SMILES | CC1=C(C=CC(=C1)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4)[O-])C)O.[Na+] |
| REACH-Code | Y113 |
| TSCA aufgeführt | Ja |
| HTS-Code | 2914794000 |
| Zolltarifnummer | 2914790090 |
Sicherheit & GHS
Vorsichtsmaßnahmen
- P280 Schutzhandschuhe / Schutzkleidung / Augenschutz / Gesichtsschutz tragen.
Dokumente
Sicherheitsdatenblätter (SDS)
Verfügbar in English, French, German, Italian, Spanish.
Zertifikat der Analyse (CoA) nach Charge
Geben Sie eine Chargen- oder Seriennummer ein, um die CoA für diese spezifische Charge abzurufen. Wir können eine erstellen, wenn keine PDF-Datei vorliegt, basierend auf den Spezifikationsdaten.
Synonyme
Es wurden keine alternativen Namen für dieses Produkt aufgezeichnet.
Häufig gestellte Fragen
What is Cresol Red sodium salt primarily used for?
Cresol Red sodium salt is commonly used as a pH indicator in laboratories, particularly for titrations in the pH range of 7.2–8.8, transitioning from yellow to purple-red.
What is the molecular formula and molecular weight of Cresol Red sodium salt?
The molecular formula is **C₂₁H₁₇NaO₅S**, and the molecular weight is **404.41 g/mol**.
How should Cresol Red sodium salt be stored?
Store at **ambient temperature** in a tightly sealed container, protected from moisture and light.
What grades of purity are available for Cresol Red sodium salt?
Molekula supplies **analytical and reagent-grade** Cresol Red sodium salt, meeting standard laboratory requirements.
Can Molekula supply Cresol Red sodium salt in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for custom packaging and pricing.
What documentation is provided with an order of Cresol Red sodium salt?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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