90878

Poly(ethylene glycol)

BioUltra, 300

• Synonym(s): PEG
• Linear Formula: H(OCH₂CH₂)_nOH
• CAS Number: 25322-68-3
• MDL number: MFCD00081839
• PubChem Substance ID: 24889419
• NACRES: NA.26

Properties

• Quality Level: 100
• product line: BioUltra
• form: viscous liquid
• mol wt: M_r 285-315
• impurities: insoluble matter:, passes filter test; ≤0.001% peroxides (as H₂O₂):
• refractive index: n20/D 1.465
• pH: 5.5-7.0 (25 °C, 50 mg/mL in H₂O)
• solubility: H₂O: 50 mg/mL at 25 °C, clear, colorless
• density: 1.125 g/mL at 20 °C
• anion traces: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤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 A_max: 0.06; λ: 280 nm A_max: 0.03
• SMILES string: C(CO)O
• InChI: 1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
• InChI key: LYCAIKOWRPUZTN-UHFFFAOYSA-N

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 1
• Flash Point(F): 281.5 °F - closed cup
• Flash Point(C): 138.6 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves