Poly(ethylene glycol)
SIGMA/86101 - BioUltra, 1,500
Synonym: Polyethylene glycol; PEG
CAS Number: 25322-68-3
MDL Number: MFCD00081839
Linear Formula: H(OCH2CH2)nOH
Product Type: Chemical
λ | 50 mg/mL in H2O |
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 | |
form | solid |
impurities | insoluble matter:, passes filter test |
≤0.001% peroxides (as H2O2): | |
InChI | 1S/C2H6O2/c3-1-2-4/h3-4H, |
InChI key | LYCAIKOWRPUZTN-UHFFFAOYSA |
mol wt | Mr 1400-1600 |
mp | 45-50 °C |
pH | 5.5-7.0 (25 °C, 50 mg/mL in H2O) |
product line | BioUltra |
Quality Level | 100 |
SMILES string | C(CO)O |
solubility | H2O: 50 mg/mL at 25 °C, clear, colorless |
UV absorption | λ: 260 nm Amax: 0.09 |
λ: 280 nm Amax: 0.03 |
Application: | Poly(ethylene glycol) has been used in the preparation of cryoprotective solutions. |
Biochem/physiol Actions: | Poly(ethylene glycol) (PEG) helps in the purification and crystal growth of proteins and nucleic acids. PEG also interacts with cell membrane, thereby allowing cell fusion. |
General description: | Poly(ethylene glycol) (PEG) is a non-ionic hydrophilic polymer. |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
mp | 45-50 °C |
UNSPSC | 12352104 |