Xylenol Blue
SIAL/205486 - indicator grade, Dye content 90 %
Synonym: p-Xylenol Blue; p-
CAS Number: 125-31-5
Empirical Formula (Hill Notation): C23H22O5S
Molecular Weight: 410.48
EC Number: 204-736-5
MDL Number: MFCD00005870
Linear Formula: C23H22O5S
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: 205486-1G
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: 205486-1G
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: 205486-5G
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: 205486-5G
| λmax | 424 nm |
| application(s) | diagnostic assay manufacturing hematology histology |
| composition | Dye content, 90% |
| form | powder |
| grade | indicator grade |
| InChI | 1S/C23H22O5S/c1-13-11-20( |
| InChI key | MGUKYHHAGPFJMC-UHFFFAOYSA |
| mp | 212 °C (dec.) (lit.) |
| Quality Level | 200  |
| SMILES string | Cc1cc(c(C)cc1O)C2(OS(=O)( |
| storage temp. | room temp |
| technique(s) | titration: suitable |
| useful pH range | 1.2-2.8, red to yellow(acid) |
| 8.0-9.8, yellow to violet(alkaline) |
| General description: | Xylenol Blue is a dark brown powder and it belongs to the class of sulfonephthalein dyes. Xylenol Blue changes color from red (pH 1.2) to yellow (2.8) and yellow (8.0) to blue (9.6). It is widely used in food storage, drugs, determining bacterial growth, microbial assays and determining lipase. |
| Packaging: | 1, 5 g in glass bottle |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 212 °C (dec.) (lit.) |
| Storage Temp. | room temp |
| UNSPSC | 12171500 |