Molekula
بروموثيمول أزرق
Bromothymol Blue
مؤهل وفق ISO 9001:2015 و ISO 14001:2015 · تقديم خدمات للمختبرات والصناعة منذ عام 2000 · شهادة التحليل مع كل دفعة
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.
نظرة عامة
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.
الأسعار ومقاسات التعبئة
المواصفات
| 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 |
التخزين والتعامل
| Property | Value |
|---|---|
| درجة حرارة التخزين | Ambient |
| الحموضة | Neutral |
التعرف
| Property | Value |
|---|---|
| SKU | 35458451 |
| رقم CAS | 76-59-5 |
| الصيغة الجزيئية | C27H28Br2O5S |
| الوزن الجزيئي | 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 |
| رمز REACH | Y113 |
| مُدرَج وفق TSCA | نعم |
| رقم HTS | 29349944 |
| رقم التعريف الجمركي | 2934999090 |
السلامة ونظام التصنيف والتحذير العالمي
إقرارات احترازية
- P280 توضع قفازات للحماية / ملابس للحماية / وقاء للعينين / للوجه
الوثائق
أوراق بيانات السلامة (SDS)
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شهادة التحليل (CoA) حسب الدفعة
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مرادفات
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الأسئلة الشائعة
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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