Molekula
Tetrabromophenol blue
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
Tetrabromophenol blue is a brominated phenolic dye used primarily as a pH indicator in biochemical assays, particularly in protein gel electrophoresis and titration applications. It changes color from yellow to blue around pH 6.0–7.6, making it useful for detecting shifts in acidity. This chemical has a CAS number of 4430-25-5, a molecular formula of C19H6Br8O5S, and a molecular weight of 985.54 g/mol. It is stored at ambient conditions with a signal word of *Warning* for safety. Molekula supplies Tetrabromophenol blue from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Tetrabromophenol blue is a brominated phenolic dye used primarily as a pH indicator in biochemical assays, particularly in protein gel electrophoresis and titration applications. It changes color from yellow to blue around pH 6.0–7.6, making it useful for detecting shifts in acidity. This chemical has a CAS number of 4430-25-5, a molecular formula of C19H6Br8O5S, and a molecular weight of 985.54 g/mol. It is stored at ambient conditions with a signal word of *Warning* for safety. Molekula supplies Tetrabromophenol blue from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | Beige powder |
| Melting Point | 204°C |
| UV 611 nm | ≥55000 |
| Solubility in methanol | Clear solution |
| Assay HPLC | ≥85% |
| Bromide (Br-) | ≥95% of theoretical amount |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 11158590 |
| CAS Number | 4430-25-5 |
| Molecular Formula | C19H6Br8O5S |
| Molecular Weight | 985.54 |
| SMILES | C1=C(C=C(C(=C1Br)O)Br)C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)Br |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29349990 |
| Tariff Code | 2934999090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Tetrabromophenol blue primarily used for?
Tetrabromophenol blue is commonly used as a pH indicator in analytical chemistry, particularly in the range of pH 1.2–2.8, turning from yellow to blue.
What is the chemical formula and molecular weight of Tetrabromophenol blue?
The chemical formula is **C19H6Br8O5S** with a molecular weight of **985.54 g/mol**.
How should Tetrabromophenol blue be stored?
Store at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible substances.
What grade or purity is available for Tetrabromophenol blue?
Molekula supplies **analytical grade** Tetrabromophenol blue, suitable for laboratory and research applications.
Can Molekula supply Tetrabromophenol blue in bulk quantities?
Yes, we offer bulk quantities of Tetrabromophenol blue upon request, subject to availability and order specifications.
What documentation comes with an order of Tetrabromophenol blue?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation.
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