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25322-68-3

Name Poly(ethylene glycol)
CAS 25322-68-3
EINECS(EC#) 203-473-3
Molecular Formula N/A
MDL Number MFCD04113591
MOL File 25322-68-3.mol

Chemical Properties

Definition Any of several condensa-tion polymers of ethylene glycol with thegeneral formula HOCH2(CH2OCH2)nCH2OH orH(OCH2CH2)nOH. Average molecular weightsrange from 200 to 6000. Properties vary with molec-ular weight.
Appearance White waxy crystalline flakes
Melting point  64-66 °C
Boiling point  >250°C
density  1.27 g/mL at 25 °C
Tg -67
vapor density  >1 (vs air)
vapor pressure  <0.01 mm Hg ( 20 °C)
refractive index  n20/D 1.469
Fp  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)
Stability: Stable. Incompatible with strong oxidizing agents.
Water Solubility  Soluble in water.
Sensitive  Hygroscopic
λmax λ: 260 nm Amax: 0.6
λ: 280 nm Amax: 0.3
Merck  14,7568
LogP -0.698 at 25℃
Uses
Polyethylene Glycol is a binder, coating agent, dispersing agent, flavoring adjuvant, and plasticizing agent that is a clear, colorless, viscous, hygroscopic liquid resembling paraffin (white, waxy, or flakes), with a ph of 4.0–7.5 in 1:20 concentration. it is soluble in water (mw 1,000) and many organic solvents.
NIST Chemistry Reference Polyethylene glycol(25322-68-3)
EPA Substance Registry System Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy- (25322-68-3)

Safety Data

Hazard Codes  Xi,T
Risk Statements 
Safety Statements 
WGK Germany  3
RTECS  TQ4110000
3-9
Autoignition Temperature 581 °F
Hazard Note  Harmful
TSCA  Yes
HS Code  39072011
Safety Profile
When heated to decomposition it emits acrid smoke and irritating fumes.
Hazardous Substances Data 25322-68-3(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 28000 mg/kg LD50 dermal Rabbit > 20000 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

Questions And Answer

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