Bromoxylenol Blue
ALDRICH/205478 - indicator grade, Dye content 95 %
Synonym: 3′,3″-Dibromo-p-xylenolsulfonphthalein
CAS Number: 40070-59-5
Empirical Formula (Hill Notation): C23H20Br2O5S
Molecular Weight: 568.27
EC Number: 254-780-4
MDL Number: MFCD00005873
Linear Formula: C23H20Br2O5S
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 205478-10G
| ε (extinction coefficient) | ≥16000 at 417-421 nm in methanol at 0.016 g/L |
| λmax | 417 nm |
| application(s) | diagnostic assay manufacturing hematology histology |
| composition | Dye content, 95% |
| form | powder or crystals |
| grade | indicator grade |
| InChI | 1S/C23H20Br2O5S/c1-11-9-1 |
| InChI key | MRDOFVRMTNWMDA-UHFFFAOYSA |
| mp | 218 °C (dec.) (lit.) |
| pH | 6.0-7.6, yellow to blue |
| Quality Level | 200  |
| SMILES string | Cc1cc(c(C)c(Br)c1O)C2(OS( |
| solubility | ethanol: 1 mg/mL, clear |
| storage temp. | room temp |
| technique(s) | titration: suitable |
| Application: | Bromoxylenol blue is a pH indicator (for pH ranges 6.0-7.6) that is routinely used in acid-base titrations. It is also used for the photometric determination of carboxylic acid impurities in organic liquids and polymers. Recent applications of bromoxylenol blue include: • Building pH sensors • Developing optical sensors for high acidity measurements • Synthesizing antifungal activity compounds • Determination of drugs • In fiber-optic biosensors for the determination and detection of pesticides. |
| General description: | Bromoxylenol blue (BXB) belongs to the sulfonphthalein family. It is also known as 3′,3′′-dibromo-p-xylenol sulfonphthalein. |
| Packaging: | 10 g in glass bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 218 °C (dec.) (lit.) |
| Storage Temp. | room temp |
| UNSPSC | 12171500 |