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81268 Sigma

Poly(ethylene glycol)

BioUltra, for molecular biology, 8,000

Synonym: PEG

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Properties

Related Categories BioUltra, Essential Chemicals, Materials Science, Molecular Biology, Molecular Biology Reagents,
grade   for molecular biology
vapor density   >1 (vs air)
vapor pressure   <0.01 mmHg ( 20 °C)
product line   BioUltra
form   powder
autoignition temp.   581 °F
mol wt   Mr 7000-9000
impurities   DNases, none detected
  RNases, none detected
  insoluble matter, passes filter test
  phosphatases, none detected
  proteases, none detected
pH   5.5-7.0 (25 °C, 50 mg/mL in H2O)
mp   59-64 °C
solubility   H2O: soluble50 mg/mL at 20 °C, clear, colorless
density   1.0845 g/mL at 70 °C
  1.0689 g/mL at 90 °C
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  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: ≤200 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤200 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   50 mg/mL in H2O
UV absorption   λ: 260 nm Amax: 0.09
  λ: 280 nm Amax: 0.03

Description

Other Notes

Precipitant in the large-scale preparation of λgt10 bacteriophage

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Amplified Detection
Safety & Documentation

Safety Information

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

References

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