1.03590

Diphenylamine-4-sulfonic acid sodium salt

redox indicator, ACS

• Synonym(s): Diphenylamine-4-sulfonic acid sodium salt
• Empirical Formula (Hill Notation): C₁₂H₁₀NNaO₃S
• CAS Number: 6152-67-6
• Molecular Weight: 271.27
• MDL number: MFCD00036468
• UNSPSC Code: 12352107
• EC Index Number: 228-165-6
• NACRES: NA.21

Properties

• product name: Diphenylamine-4-sulfonic acid sodium salt, redox indicator ACS
• grade: ACS reagent
• Quality Level: 200
• form: solid
• loss: ≤5.0% loss on drying, 105°C
• pH: 5.7 (20 °C, 10 g/L in H₂O)
• mp: 200 °C
• solubility: 820 g/L
• bulk density: 160 kg/m³
• storage temp.: 15-25°C
• InChI: 1S/C12H11NO3S.Na/c14-17(15,16)12-8-6-11(7-9-12)13-10-4-2-1-3-5-10;/h1-9,13H,(H,14,15,16);
• InChI key: VMVSDVIYIMNZBS-UHFFFAOYSA-N

Description

Analysis Note

Appearance of solution: conforms
Loss on Drying (105°C): ≤ 5.0 %
Suitability as redox indicator: conforms

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315 - H319 - H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable