Molekula
Bromthymolblau
Bromothymol Blue
ISO 9001:2015 & ISO 14001:2015 zertifiziert · Lieferant für Laboratorien und Industrie seit 2000 · Analysezertifikat (Certificate of Analysis, CoA) für jede Charge
Bromothymol Blue is a pH-sensitive dye used as an indicator in acid-base titrations, biological staining, and environmental testing to visually assess pH levels between 6.0 and 7.6, shifting from yellow to blue. It appears as a blue-green crystalline powder with a molecular formula of C27H28Br2O5S and a molecular weight of 624.38 g/mol. Stable at ambient conditions, it requires no special signal warnings. Molekula supplies Bromothymol Blue from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Übersicht
Bromothymol Blue is a pH-sensitive dye used as an indicator in acid-base titrations, biological staining, and environmental testing to visually assess pH levels between 6.0 and 7.6, shifting from yellow to blue. It appears as a blue-green crystalline powder with a molecular formula of C27H28Br2O5S and a molecular weight of 624.38 g/mol. Stable at ambient conditions, it requires no special signal warnings. Molekula supplies Bromothymol Blue from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Preise und Verpackungsgrößen
Spezifikationen
| Property | Value |
|---|---|
| Appearance | Purple/ brown powder |
| Loss on Drying | ≤ 3% |
| Dye Content | ≥95% |
| Transition Range | pH 5.8 - 7.6 Yellow - Blue |
| Solubility at 0.1% (95% Ethanol) | Clear Solution |
| Wavelength of maximum absorption(pH 5.8) λ1 max | 430 - 435 nm |
| Wavelength of maximum absorption (pH 7.6) λ2 max | 615 - 618 nm |
| Absorptivity (E 1% in 1cm cell at λ1 max),pH 5.8 | 260 - 300 |
| Absorptivity (E 1% in 1cm cell at λ2 max),pH 7.6 | 470 - 520 |
Lagerung und Handhabung
| Property | Value |
|---|---|
| Lagertemperatur | Ambient |
| Säuregehalt | Neutral |
Identifizierung
| Property | Value |
|---|---|
| SKU | 35458451 |
| CAS-Nummer | 76-59-5 |
| Molekülformel | C27H28Br2O5S |
| Molekulargewicht | 624.38 |
| SMILES | O=S1(=O)OC(C=2C=CC=CC21)(C3=CC(=C(O)C(Br)=C3C)C(C)C)C4=CC(=C(O)C(Br)=C4C)C(C)C |
| REACH-Code | Y113 |
| TSCA aufgeführt | Ja |
| HTS-Code | 29349944 |
| Zolltarifnummer | 2934999090 |
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 Bromothymol Blue commonly used for?
Bromothymol Blue is primarily used as a pH indicator in laboratories, turning yellow in acidic solutions, blue in basic solutions, and green at neutral pH (~6.0–7.6). It is also used in biological buffers and as a dye in microscopy.
What is the chemical formula and molecular weight of Bromothymol Blue?
The chemical formula is **C₂₇H₂₈Br₂O₅S**, and the molecular weight is **624.38 g/mol**.
How should Bromothymol Blue be stored?
Store at **ambient temperature** in a tightly sealed container, away from direct sunlight and moisture.
What grades of Bromothymol Blue does Molekula supply?
Molekula supplies **analytical and reagent-grade Bromothymol Blue**, suitable for laboratory and research applications.
Can Molekula supply Bromothymol Blue in bulk quantities?
Yes, we offer **bulk packaging options** for Bromothymol Blue—please contact our sales team for custom quantities and pricing.
What documentation comes with an order of Bromothymol Blue?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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