Molekula
Bromotimolo blu
Bromothymol Blue
Certificato ISO 9001:2015 & ISO 14001:2015 · Fornitura a laboratori e industria dal 2000 · Certificato di Analisi (CoA) per ogni lotto
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.
Panoramica
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.
Prezzi e formati disponibili
Specifiche
| 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 |
Immagazzinamento e manipolazione
| Property | Value |
|---|---|
| Temperatura di Conservazione | Ambient |
| Acidità | Neutral |
Identificazione
| Property | Value |
|---|---|
| SKU | 35458451 |
| Numero CAS | 76-59-5 |
| Formula molecolare | C27H28Br2O5S |
| Peso molecolare | 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 |
| Codice REACH | Y113 |
| Elencato TSCA | Sì |
| Codice HTS | 29349944 |
| Codice doganale | 2934999090 |
Sicurezza e GHS
Istruzioni di precauzione
- P280 Indossare guanti/indumenti protettivi/proteggere gli occhi/proteggere il viso.
Documenti
Fogli di dati di sicurezza (SDS)
Disponibile in English, French, German, Italian, Spanish.
Certificato di Analisi (CoA) per lotto
Inserisci un numero di lotto o di partita per recuperare il certificato di analisi relativo a tale partita. Possiamo generarlo dai dati specifici se non è disponibile alcun PDF.
Sinonimi
Nessun altro nome registrato per questo prodotto.
Domande frequenti
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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