Xylenol Orange tetrasodium salt , AR , 3618-43-7

Synonym(s):
3,3′′-Bis[bis(carboxymethyl)aminoethyl] cresol sulfone phtrane sodium salt;3,3′-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein tetrasodium salt;Xylenol orange tetrasodium salt

CAS NO.：3618-43-7

Empirical Formula: C31H31N2Na4O13S

Molecular Weight: 763.61

MDL number: MFCD00044293

EINECS: 222-805-8

PRODUCT Properties

• Melting point: 195 °C (dec.)(lit.)
• bulk density: 250kg/m3
• Flash point: 93.3°C
• storage temp.: room temp
• solubility: 510g/l
• form: Solid
• color: Red
• Odor: Odorless
• PH: 8.1 (10g/l, H2O, 20℃)
• Water Solubility: 510 g/L (20 ºC)
• λmax: 580 nm
• Stability: Stable, but may be moisture sensitive.
• InChIKey: BSDXFSKXEXVESI-UHFFFAOYSA-N
• SMILES: O=S1(C2C=CC=CC=2C(C2C=C(C)C(O)=C(CN(CC(=O)O)CC(=O)O)C=2)(C2C=C(C)C(O)=C(CN(CC(=O)O)CC(=O)O)C=2)O1)=O.[NaH]
• CAS DataBase Reference: 3618-43-7(CAS DataBase Reference)
• EPA Substance Registry System: Glycine, N,N'-[(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[(6-hydroxy-5-methyl-3,1-phenylene)methylene]]bis[N-(carboxymethyl)-, tetrasodium salt (3618-43-7)

Description and Uses

Xylenol Orange tetrasodium salt is used as a photometric reagent and a metal indicator. It is a versatile indicator for EDTA titrations in acidic range. It is a common organic reagent used as an indicator for metal titrations.

Safety

• Hazard Codes: Xi
• Risk Statements: 23/24/25-36/38-36/37/38
• Safety Statements: 24/25-45-36/37-26-22-36
• WGK Germany: 3
• TSCA: Yes
• HS Code: 29349990