P3504 | CAS:6226-79-5 | Ponceau S | 猩红 S

P3504    Ponceau S Sigma-Aldrich  practical grade 窗体底端 货号 号 您的价格 RMB P3504-10G 150.01 P3504-50G 905.58 P3504-100G 1,356.03 Synonym: 3-Hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acid sodium salt CAS Number: 6226-79-5 Empirical Formula (Hill Notation): C22H12N4Na4O13S4 Molecular Weight: 760.57 Colour Index Number: 27195 EC Number: 228-319-2 MDL number: MFCD00003892 PubChem Substance ID: 24898418 Description Application Ponceau S dye is used to make a stain for rapid reversible staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. The following are two common stain formulations; 0.1% Ponceau S (w/v) in 5% acetic acid 2% Ponceau S (w/v) in 30% TCA, 30% sulfosalicylic acid 性质 grade practical grade 安全性 Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves Hazard Codes Xi Risk Statements 36/37/38 Safety Statements 26-36 WGK Germany 3 RTECS QJ6600000