Search Thermo Fisher Scientific
項目搜尋
結構搜尋Thermo Scientific™
m-Cresol Purple, Thermo Scientific Chemicals
產品號碼: B24338.14
25 g, Each
化學識別
CAS
2303-01-7
IUPAC Name
3,3-bis(4-hydroxy-2-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
Molecular Formula
C21H18O5S
InChI Key
OLQIKGSZDTXODA-UHFFFAOYSA-N
SMILES
CC1=CC(O)=CC=C1C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1C
規格
規格表Form
Powder
Comment
Material sourced in the U.S. and in other countries
Appearance (Color)
Green to dark green
Color Change
pH 7.4 (yellow) to pH 9.0 (purple)
lambda-max (UV-Vis)
574-582 nm
說明
m-Cresol Purple acts as a pH indicator dye. It plays an important role in spectrophotometric pH measurements. It operates in the pH ranges 1.2 - 2.8 (red to yellow) and 7.4 - 9.0 (yellow to violet). Further, it is employed to stain epithelial cells and proteins.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
m-Cresol Purple acts as a pH indicator dye. It plays an important role in spectrophotometric pH measurements. It operates in the pH ranges 1.2 - 2.8 (red to yellow) and 7.4 - 9.0 (yellow to violet). Further, it is employed to stain epithelial cells and proteins.
Solubility
Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol.
Notes
Transition interval (acid): pH 1.2 (red) to pH 2.8 (yellow); (alkaline) pH 7.4 (yellow) to pH 9.0 (purple)Incompatible with strong oxidizing agents.
m-Cresol Purple acts as a pH indicator dye. It plays an important role in spectrophotometric pH measurements. It operates in the pH ranges 1.2 - 2.8 (red to yellow) and 7.4 - 9.0 (yellow to violet). Further, it is employed to stain epithelial cells and proteins.
Solubility
Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol.
Notes
Transition interval (acid): pH 1.2 (red) to pH 2.8 (yellow); (alkaline) pH 7.4 (yellow) to pH 9.0 (purple)Incompatible with strong oxidizing agents.
RUO – Research Use Only
圖表
文件與下載
證書
依批號或部分批號搜尋
常見問答集 (常見問題)
引用資料與參考文獻
Search citations by name, author, journal title or abstract text