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31550 Supelco

2,3-Butanedione monoxime

for spectrophotometric det. of urea, ≥99.0%

Synonym: BDM, Biacetyl monoxime, Diacetyl monoxime

  • CAS Number 57-71-6

  • Linear Formula CH3C(=NOH)COCH3

  • Molecular Weight 101.10

  •  Beilstein/REAXYS Number 605582

  •  EC Number 200-348-5

  •  MDL number MFCD00002116

  •  PubChem Substance ID 329753805

  •  NACRES NA.21

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Gravimetric Reagents, Spectroscopy, UV/Vis Reagents,
Quality Level   100
assay   ≥98.0% (N)
  ≥99.0%
quality   for spectrophotometric det. of urea
application(s)   UV/Vis spectroscopy: suitable
ign. residue   ≤0.05% (as SO4)
bp   185-186 °C (lit.)
mp   75-76 °C
  75-78 °C (lit.)
SMILES string   CC(=O)\C(C)=N\O
InChI   1S/C4H7NO2/c1-3(5-7)4(2)6/h7H,1-2H3/b5-3+
InChI key   FSEUPUDHEBLWJY-HWKANZROSA-N

Description

General description

2,3-Butanedione Monoxime (BDM) is also known as diacetyl monoxime, it is also a nucleophilic agent and it can dephosphorylates acetylcholinesterase poisoned with organophosphates. It is also a well-characterized, non-competitive inhibitor of skeletal muscle myosin-II, where it inhibits the chemical and motile activity.

Analysis Note

Solubility:
0.5 g are completely soluble and give a clear solution in 10 mL water or also in 10 mL ethanol.
Sensitivity test:
0.05 mg urea in 3 mL water and 5 mL conc. HCl together with a 3% solution in water of diacetylmonoxime heated on a water bath for 10 minutes give a light yellow color.

Other Notes

Reagent for the colorimetric determination of urea and ureido-compounds; Spectrometric reagent for Co(II), Ni(II), Pd(II) and Re(VII); Reagent for the gravimetric determination of Ni(II)

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
RTECS 
EK3150000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles
Peer-Reviewed Papers
15

References

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