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51457 Sigma

Urea solution

BioUltra, ~8 M in H2O

Synonym: Carbamide, Carbonyldiamide

  • CAS Number 57-13-6

  • Linear Formula NH2CONH2

  • Molecular Weight 60.06

  •  Beilstein Registry Number 635724

  •  MDL number MFCD00008022

  •  PubChem Substance ID 24873568

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Properties

Related Categories Alphabetical, Biochemicals and Reagents, Chaotropic Agents, Denaturation
InChI Key   XSQUKJJJFZCRTK-UHFFFAOYSA-N
product line   BioUltra
concentration   ~8 M in H2O
impurities   insoluble matter, passes filter test
  ≤0.005% formaldehyde (HCHO)
  ≤0.05% biuret
refractive index   n20/D 1.40
pH   8.0-10.0 (25 °C)
anion traces   chloride (Cl-): ≤5 mg/kg
  sulfate (SO42-): ≤10 mg/kg
cation traces   Al: ≤1 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤1 mg/kg
  Bi: ≤1 mg/kg
  Ca: ≤5 mg/kg
  Cd: ≤1 mg/kg
  Co: ≤1 mg/kg
  Cr: ≤1 mg/kg
  Cu: ≤1 mg/kg
  Fe: ≤1 mg/kg
  K: ≤20 mg/kg
  Li: ≤1 mg/kg
  Mg: ≤1 mg/kg
  Mn: ≤1 mg/kg
  Mo: ≤1 mg/kg
  Na: ≤20 mg/kg
  Ni: ≤1 mg/kg
  Pb: ≤1 mg/kg
  Sr: ≤1 mg/kg
  Zn: ≤1 mg/kg
λ   neat
UV absorption   λ: 260 nm Amax: 0.03
  λ: 280 nm Amax: 0.02
Gene Information   human ... CA1(759), CA2(760), EPHX2(2053)
mouse ... Ephx2(13850)
rat ... Ppm1a(24666)

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Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
Protocols & Articles
Peer-Reviewed Papers
15

References

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