M-CRESOL PURPLE SODIUM SALT (C005B-053783)

General description

m-cresol purple sodium salt (MCP) is a colorimetric pH indicator dye. The dye is blue in anionic form and yellow in protonated form.

Application

m-Cresol Purple sodium salt has been used to measure pH of seawater using a spectrophotometer.

Molecular Weight: 404.41. Empirical Formula: C₂₁H₁₇NaO₅S. form: powder. Quality Level: 200. composition: Dye content, 90% . λ. _max: 579 nm. ε (extinction coefficient): ≥. 15000 at 433-439 . nm in H₂O at 0.008 . g/L. application(s): diagnostic assay manufacturing
hematology
histology. storage temp.: room temp. SMILES string: [Na+].Cc1cc(O)ccc1\C(: C2\C: CC(: O)C: C2C)c3ccccc3S([O-])(: O): O. InChI: 1S/C21H18O5S.Na/c1-13-11-15(22)7-9-17(13)21(18-10-8-16(23)12-14(18)2)19-5-3-4-6-20(19)27(24,25)26. /h3-12,22H,1-2H3,(H,24,25,26). /q. +1/p-1/b21-18+. . InChI key: BYQJYOOKENJSNK-GOSREXKOSA-M. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable. Personal Protective Equipment: Eyeshields, Gloves, type N95 (US).