1.14275

Ponceau S (C.I. 27195)

for electrophoresis

• Synonym(s): Ponceau S (C.I. 27195)
• Empirical Formula (Hill Notation): C₂₂H₁₂N₄Na₄O₁₃S₄
• CAS Number: 6226-79-5
• Molecular Weight: 760.57
• MDL number: MFCD00003892
• UNSPSC Code: 41105305
• EC Index Number: 228-319-2
• NACRES: NA.32

Properties

• Quality Level: 100
• form: solid
• pH: 9.0 (20 °C, 10 g/L in H₂O)
• solubility: 10 g/L
• bulk density: 660 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-11-14(3-8-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,25H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23?,26-21-;;;;
• InChI key: LZYGEJPERQQCIY-STNZDNLRSA-J

Description

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ_max. (water): 517 - 523 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.01 g/l; water): 460 - 600
TLC-Test: passes test
Loss on drying (110 °C): ≤ 10 %
Suitability for electrophoresis: passes test

Safety Information

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