m-Cresol Purple
SIAL/857890 - indicator grade, Dye content 90 %
Synonym: m-
CAS Number: 2303-01-7
Empirical Formula (Hill Notation): C21H18O5S
Molecular Weight: 382.43
EC Number: 218-960-6
MDL Number: MFCD00005871
Linear Formula: C21H18O5S
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: 857890-1G
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: 857890-10G
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: 857890-5G
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: 857890-1G
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: 857890-5G
| ε (extinction coefficient) | ≥ 11000 at 295-301 nm at 0.01 g/L (0.01 G/L in 0.005 N NAOH in Methanol) |
| ≥26000 at 578-584 nm at 0.01 g/L (in 0.005 N NAOH in Methanol) | |
| ≥8000 at 369-375 nm at 0.01 g/L (in 0.005 N NAOH in Methanol) | |
| application(s) | diagnostic assay manufacturing hematology histology |
| composition | Dye content, 90% |
| form | powder |
| grade | indicator grade |
| InChI | 1S/C21H18O5S/c1-13-11-15( |
| InChI key | OLQIKGSZDTXODA-UHFFFAOYSA |
| Quality Level | 200  |
| SMILES string | Cc1cc(O)ccc1C(=C2/C=CC(= |
| storage temp. | room temp |
| technique(s) | titration: suitable |
| useful pH range | 1.2-2.8, red to yellow(acid) |
| 7.4-9.0, yellow to violet(alkaline) |
| Application: | m-Cresol purple has been used to measure pH via spectrophotometer. |
| Biochem/physiol Actions: | m-Cresol purple is a pH indicator. It changes from red (pH 1.2) to yellow (2.8) and yellow (7.4) to purple (9.0). |
| General description: | m-Cresol Purple (meta Cresol Purple) is a sulfonephthalein dye. It is also known as m-Cresolsulfonphthalein. |
| Packaging: | 1, 5, 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 |
| Storage Temp. | room temp |
| UNSPSC | 12171500 |