1.08677

Xylenol orange tetrasodium salt

metal indicator ACS,Reag. Ph Eur

• Synonym(s): Xylenol orange tetrasodium salt, 3,3′′-Bis[bis(carboxymethyl)aminoethyl] cresol sulfone phtrane sodium salt
• Empirical Formula (Hill Notation): C₃₁H₂₈N₂Na₄O₁₃S
• CAS Number: 3618-43-7
• Molecular Weight: 760.58
• MDL number: MFCD00044293
• UNSPSC Code: 12171502
• EC Index Number: 222-805-8

Properties

• grade: ACS reagent
• Quality Level: 200
• Agency: reag. Ph. Eur.
• form: solid
• loss: ≤7% loss on drying, 110°C
• pH: 8.1 (20 °C, 10 g/L in H₂O)
• solubility: 510 g/L
• bulk density: 250 kg/m³
• storage temp.: 15-25°C
• InChI: 1S/C31H32N2O13S.4Na/c1-17-7-21(9-19(29(17)42)11-32(13-25(34)35)14-26(36)37)31(23-5-3-4-6-24(23)46-47(31,44)45)22-8-18(2)30(43)20(10-22)12-33(15-27(38)39)16-28(40)41;;;;/h3-10,42-43H,11-16H2,1-2H3,(H,34,35)(H,36,37)(H,38,39)(H,40,41);;;;/q;4*+1/p-4
• InChI key: FXYMNKLSOQONJB-UHFFFAOYSA-J

Description

Analysis Note

Appearance of solution: passes test
Loss on drying (110 °C): ≤ 7
Suitability as indicator (for metal titration): passes test
Sensitivity test: passes test

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable