Xylenol orange tetrasodium salt
[CAS# 3618-43-7]

Identification

• Classification: Biochemical >> Biochemical reagent >> Biological dye
• Name: Xylenol orange tetrasodium salt
• Synonyms: 3,3'-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein tetrasodium salt; Tetrasodium N,N'-[3H-2,1-benzoxathiol-3-ylidenebis[(6-hydroxy-5-methylphen-3,1-ylene)methylene]]bis[N-(carboxylatomethyl)aminoacetate] S,S-dioxide
• Molecular Formula: C₃₁H₂₈N₂Na₄O₁₃S
• Molecular Weight: 760.58
• CAS Registry Number: 3618-43-7
• EC Number: 222-805-8

Properties

• Melting point: 210 °C
• Water solubility: 510 g/L (20 °C)

Safety Data

• Safety Statements: S24/25