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Polyethylene Glycol Structure

Polyethylene Glycol

Chemical Properties

Melting point 64-66 °C
Boiling point >250°C
Tg -67
Density  1.27 g/mL at 25 °C
vapor density  >1 (vs air)
vapor pressure  <0.01 mm Hg ( 20 °C)
refractive index  n20/D 1.469
Flash point 270 °C
storage temp.  2-8°C
solubility  H2O: 50 mg/mL, clear, colorless
form  waxy solid
color  White to very pale yellow
Specific Gravity 1.128
PH 5.5-7.0 (25℃, 50mg/mL in H2O)
Water Solubility  Soluble in water.
Sensitive  Hygroscopic
λmax λ: 260 nm Amax: 0.6
λ: 280 nm Amax: 0.3
Merck  14,7568
Stability Stable. Incompatible with strong oxidizing agents.
LogP -0.698 at 25℃
NIST Chemistry Reference Polyethylene glycol(25322-68-3)
EPA Substance Registry System Polyethylene glycol (25322-68-3)

Safety Information

Hazard Codes  Xi,T
Risk Statements  36/38-52/53-33-23/24/25
Safety Statements  26-36-24/25-61-45-36/37
WGK Germany  3
RTECS  TQ4110000
3-9
Autoignition Temperature 581 °F
Hazard Note  Harmful
TSCA  Yes
HS Code  39072011
Hazardous Substances Data 25322-68-3(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 28000 mg/kg LD50 dermal Rabbit > 20000 mg/kg

MSDS

Usage And Synthesis

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