Synonym: Amide C1, Formic amide
CAS Number: 75-12-7
Linear Formula: HCONH2
Molecular Weight: 45.04
Beilstein Registry Number: 505995
EC Number: 200-842-0
MDL number: MFCD00007941
PubChem Substance ID: 24871294
Application
Formamide destabilizes nucleic acid duplexes and may be used, typically, at a concentration of 50%, in hybridization protocols requiring lower hybridization temperatures.
Other Notes
For the preparation of formamide denaturing polyacrylamide gels1; In situ hybridization on human chromosomes2
Grade: for molecular biology
Vapor Density: 1.55 (vs air)
Vapor Pressure: 0.08 mmHg ( 20 °C) ; 30 mmHg ( 129 °C)
Product Line: BioUltra
Assay: ≥99.5% (T)
Autoignition Temp.: 932 °F
Impurities: DNases, none detected; RNases, none detected; insoluble matter, passes filter test; phosphatases, none detected; proteases, none detected
Ign. Residue: ≤0.1%
Refractive Index: n20/D 1.447(lit.); n20/D 1.447
pH: 7-9 (25 °C, 1 M in H2O)
BP: 210 °C(lit.)
MP: 2-3 °C(lit.)
Solubility: H2O: soluble10 M at 20 °C, clear, colorless
Density: 1.134 g/mL at 25 °C(lit.)
Anion Traces: chloride (Cl-): ≤1 mg/kg; sulfate (SO42-): ≤10 mg/kg
Cation Traces: Ag: ≤5 mg/kg; 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; NH4+: ≤1000 mg/kg; Na: ≤20 mg/kg; Ni: ≤1 mg/kg; Pb: ≤1 mg/kg; Sr: ≤1 mg/kg; Tl: ≤5 mg/kg; Zn: ≤1 mg/kg
λ: 10 M in H2O
UV Absorption: λ: 260 nm Amax: ≤0.4; λ: 280 nm Amax: ≤0.1