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CAS No 95-45-4 , Dimethylglyoxime

  • Name: Dimethylglyoxime
  • Synonyms: METHYL GLOXIME; DIACETYLDIOXIME; Dimethylglyoxime 1% solution alcoholic; ETCHANT INDICATOR;2,3-Butanedione dioxime; DIMETHYLGLYOXIME ALCOHOLIC; 2,3-DIISONITROSOBUTANE; 2,3-BUTANEDIONEDIOXIME DISODIUM SALT;Dimethylglyoxime; Diacetyl dioxime;
  • CAS Registry Number:
  • Melting Point: 239-241 ºC
  • Density: 0.8
  • Refractive index: 1.487
  • Safety Statements: R22
  • Hazard Symbols: Xn: Harmful;
  • HS Code: 29280090
  • EINECS: 202-420-1
  • Molecular Weight: 116.12
  • InChI: InChI=1/C4H8N2O2/c1-3(5-7)4(2)6-8/h7-8H,1-2H3/b5-3+,6-4+
  • Risk Statements: S22;S24/25
  • Molecular Formula: C4H8N2O2
  • Molecular Structure:CAS No:95-45-4 Dimethylglyoxime

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References of Dimethylglyoxime
Title: Dimethylglyoxime
CAS Registry Number: 95-45-4
CAS Name: 2,3-Butanedionedioxime
Synonyms: diacetyldioxime; Chugaev's reagent
Molecular Formula: C4H8N2O2
Molecular Weight: 116.12
Percent Composition: C 41.37%, H 6.94%, N 24.12%, O 27.56%
Literature References: Prepn: Semon, Damerell, Org. Synth. coll. vol. II, 204 (1943). Manuf: Kamlet, US 2732404 (1956 to National Distillers Product Corp.). Crystal structure: Anal. Chem. 21, 1428 (1949); Merritt, Lanterman, Acta Crystallogr. 5, 811 (1952).
Properties: Triclinic crystals from alc + water, mp 238-240°, also reported as melting 242° and 246°. Practically insol in water. Sol in alc, ether, pyridine, acetone.
Melting point: mp 238-240°, also reported as melting 242° and 246°
Use: Detection and determination of Ni and its separation from Co and many other metals. Forms a scarlet red ppt with Ni even in dil solns. Separation of Pd from Sn, Au, Rh, and Ir, also to detect Bi with which it forms a bright yellow color and ppt.