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CAS No 521-31-3 , 5-amino-2,3-dihydrophthalazine-1,4-dione

  • Name: 5-amino-2,3-dihydrophthalazine-1,4-dione
  • Synonyms: 5-amino-2,3-dihydrophthalazine-1,4-dione; 3-Aminophthalic hydrazide;3-Aminophthalhydrazide; 5-Amino-2,3-dihydro-1,4-phthalazinedione; 521-31-3;
  • CAS Registry Number:
  • Melting Point: 319-320 ºC
  • Density: 1.433 g/cm3
  • Water Solubility: <0.1 G/100 ML AT 19 ºC
  • Safety Statements: R22;R36/37/38
  • Hazard Symbols: Xn: Harmful;
  • HS Code: 29339990
  • EINECS: 208-309-4
  • Molecular Weight: 177.16008
  • InchiKey: HWYHZTIRURJOHG-UHFFFAOYSA-N
  • InChI: InChI=1S/C8H7N3O2/c9-5-3-1-2-4-6(5)8(13)11-10-7(4)12/h1-3H,9H2,(H,10,
    12)(H,11,13)
  • Risk Statements: S26;S37/39
  • Molecular Formula: C8H7N3O2
  • Molecular Structure:CAS No:521-31-3 5-amino-2,3-dihydrophthalazine-1,4-dione

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521-31-3 5-Amino-2,3-dihydro-phthalazine-1,4-dione

  • 5-Amino-2,3-dihydro-phthalazine-1,4-dione
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521-31-3 LUMINOL (3-AMINOPHTHALHYDRAZIDE)

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521-31-3 3-Aminophthalhydrazide

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521-31-3 A140 3-AMINOPHTHALHYDRAZIDE

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521-31-3 3-AMINO-PHTHALHYDRAZIDE

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References of 5-amino-2,3-dihydrophthalazine-1,4-dione
Title: Luminol
CAS Registry Number: 521-31-3
CAS Name: 5-Amino-2,3-dihydro-1,4-phthalazinedione
Synonyms: o-aminophthalylhydrazide; 3-aminophthalic hydrazide; o-aminophthaloyl hydrazide
Molecular Formula: C8H7N3O2
Molecular Weight: 177.16
Percent Composition: C 54.24%, H 3.98%, N 23.72%, O 18.06%
Literature References: Prepn from 3-nitrophthalic acid: Huntress et al., J. Am. Chem. Soc. 56, 241 (1934); Redemann, Redemann, Org. Synth. 29, 78, 8 (1949); L. Fieser, Organic Experiments (Boston, 1964) pp 240-242. Chemiluminescent: Weber, Ber. 75, 565 (1942); Weber et al., ibid. 76, 366 (1943).
Properties: Crystals, mp 319-320°. Oxidation of luminol is accompanied by a striking emission of light.
Melting point: mp 319-320°
NOTE: Not to be confused with Luminal.
Use: Detection of copper, iron, peroxides, cyanides.