性质
Related Categories |
Essential Chemicals, Optimization Reagents, PEG and Oligo Ethylene Glycol, Poly(ethylene glycol),Poly(ethylene glycol) (PEG) and PEG Solutions,
更多…
|
vapor density |
>1 (vs air) |
vapor pressure |
<0.01 mmHg ( 20 °C) |
product line |
BioUltra |
form |
liquid |
autoignition temp. |
581 °F |
mol wt |
Mr 380-420 |
impurities |
insoluble matter:, passes filter test |
|
≤0.02% peroxides (as H2O2): |
refractive index |
n20/D 1.467 |
pH |
5.5-7.0 (25 °C, 50 mg/mL in H2O) |
solubility |
H2O: 50 mg/mL at 25 °C, clear, colorless |
density |
1.126 g/mL at 20 °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: ≤300 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: 0.06 |
|
λ: 280 nm Amax: 0.03 |
|