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CAS No 96-91-3 , 2-amino-4,6-dinitrophenol

  • Name: 2-amino-4,6-dinitrophenol
  • Synonyms: Fourrine 4R; 96-91-3; Fourrine 93; 6-Amino-2,4-dinitrophenol; Furro 4R;2-Amino-4,6-dinitrophenol; Oxidation Base 21;2-amino-4,6-dinitrophenol; Zoba 4R;
  • CAS Registry Number:
  • Transport: UN 3317
  • Melting Point: 169 ºC
  • Density: 1.749 g/cm 3
  • Refractive index: 1.73
  • Water Solubility: <0.1 G/100 ML AT 20.5 ºC
  • Safety Statements: Poison by intravenous and intraperitoneal routes. Mutation data reported. Combustible when exposed to heat, flame or oxidizers. A powerful explosive when dry. May explode when shocked or heated. When heated to decomposition it emits toxic fumes of NOx. See also EXPLOSIVES, HIGH.
  • Hazard Symbols: 4.1 (Packing Group:I) UN NO.
  • EINECS: 202-544-6
  • Molecular Weight: 199.121
  • InChI: InChI=1S/C6H5N3O5/c7-4-1-3(8(11)12)2-5(6(4)10)9(13)14/h1-2,10H,7H2
  • Risk Statements: 1-20/21/22-52/53
  • Molecular Formula: C6H5N3O5
  • Molecular Structure:CAS No:96-91-3 2-amino-4,6-dinitrophenol
References of 2-amino-4,6-dinitrophenol
Title: Picramic Acid
CAS Registry Number: 96-91-3
CAS Name: 2-Amino-4,6-dinitrophenol
Synonyms: 4,6-dinitro-2-aminophenol
Molecular Formula: C6H5N3O5
Molecular Weight: 199.12
Percent Composition: C 36.19%, H 2.53%, N 21.10%, O 40.18%
Literature References: Prepd from picric acid, concd NH4OH, and H2S followed by acetic acid neutralization of ammonium salt: Egerer, J. Biol. Chem. 35, 565 (1918). Prepn of ammonium salt from picric acid, aqueous NH3-soln, and ammonium sulfide: Dehn, US 1472791 (1924).
Properties: Dark red needles from alcohol, prisms from chloroform. mp 169-170°. At 22-25°, 0.065 g dissolves in 100 ml H2O; not much more sol in hot water. Sparingly sol in ether, chloroform; moderately sol in alcohol; sol in benzene, glacial acetic acid, aniline. Flashes at 210°; in contact with open flame in glass tube or beaker, ignites rapidly and burns relatively fast: Blinov, Khim. Prom. 1959, 419, C.A. 55, 6866d (1961).
Melting point: mp 169-170°
CAUTION: Toxic symptoms similar to 2,4-dinitrophenol, q.v.
Use: Manuf of azo dyes; rarely as indicator (yellow with acids, red with alkalies); reagent for albumin.