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87849 Sigma-Aldrich

Tetramethylurea

≥99.5% (GC)

Synonym: 1,1,3,3-Tetramethylurea, TMU

  • CAS Number 632-22-4

  • Linear Formula (CH3)2NCON(CH3)2

  • Molecular Weight 116.16

  •  Beilstein Registry Number 773898

  •  EC Number 211-173-9

  •  MDL number MFCD00008319

  •  PubChem Substance ID 329769611

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Properties

Related Categories Building Blocks, Carbonyl Compounds, Chemical Synthesis, Organic Building Blocks, Ureas More...
InChI Key   AVQQQNCBBIEMEU-UHFFFAOYSA-N
assay   ≥99.5% (GC)
impurities   ≤0.3% water
ign. residue   ≤0.05%
refractive index   n20/D 1.451(lit.)
  n20/D 1.452
pH   5-8 (25 °C, 1 M in H2O)
bp   177 °C(lit.)
  62-63 °C/12 mmHg(lit.)
mp   −1 °C(lit.)
solubility   H2O: miscible 1 M at 20 °C
density   0.968 g/mL at 20 °C(lit.)
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤20 mg/kg
λ   1 M in H2O
UV absorption   λ: 260 nm Amax: 1.00
  λ: 280 nm Amax: 0.09

Description

Other Notes

Liquid denaturing agent for proteins. Used for the dissociation of hemoglobin; TMU delipidates and quantitatively liberates the apoproteins of human serum high-density lipoprotein in soluble form

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
WGK Germany 
3
RTECS 
YU2625000
Flash Point(F) 
167 °F
Flash Point(C) 
75 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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T24503 Tetramethylurea, 99%

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