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Metanilic acid

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Metanilic acid Basic information
Metanilic acid Chemical Properties
  • Melting point:>300 °C (lit.)
  • Density 1.69
  • refractive index 1.5500 (estimate)
  • storage temp. Keep in dark place,Inert atmosphere,Room temperature
  • solubility ethanol: very slightly soluble(lit.)
  • pka3.73(at 25℃)
  • form Powder
  • color White to grayish-beige
  • Water Solubility slightly soluble
  • Merck 14,5927
  • BRN 473264
  • Stability:Stable. Combustible. Incompatible with strong oxidizing agents, acids.
  • CAS DataBase Reference121-47-1(CAS DataBase Reference)
  • NIST Chemistry ReferenceMetanilic acid(121-47-1)
  • EPA Substance Registry SystemMetanilic acid (121-47-1)
Safety Information
  • Hazard Codes Xn
  • Risk Statements 20/21/22
  • Safety Statements 23-28-28A-25
  • RIDADR 3261
  • WGK Germany 1
  • RTECS OY2300000
  • TSCA Yes
  • HazardClass IRRITANT
  • HS Code 29214200
MSDS
Metanilic acid Usage And Synthesis
  • Chemical Propertieswhite powder
  • Uses3-Aminobenzenesulfonic acid was used in the synthesis of cytocompatible sulfonated polyanilines. It was used in fabrication of novel glucose biosensor having large active surface area and excellent conductivity.
  • General DescriptionWhite powder. Small colorless needles; toxic.
  • Air & Water ReactionsWater insoluble [Hawley].
  • Reactivity ProfileMetanilic acid is an amino acid. Reacts weakly with both acids and bases.
  • HazardSee aniline.
  • Fire HazardFlash point data for Metanilic acid are not available, however Metanilic acid is probably combustible.
  • Purification MethodsCrystallise the acid from water (as the hydrate), under CO2 in a semi-darkened room. The solution is photosensitive. Dry it over 90% H2SO4 in a vacuum desiccator. [Beilstein 14 H 688, 14 IV 2640.]
Metanilic acid Preparation Products And Raw materials
Metanilic acid(121-47-1)Related Product Information
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