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Polyethylene-polypropylene glycol Structure

Polyethylene-polypropylene glycol

Chemical Properties

Melting point 57-61 °C
Boiling point >200 °C(lit.)
Density  1.095 g/mL at 25 °C
vapor density  >1 (vs air)
vapor pressure  <0.3 mm Hg ( 20 °C)
refractive index  n20/D 1.466
Flash point >230 °F
storage temp.  2-8°C
solubility  H2O: at <70 °Csoluble
form  solution
color  APHA: ≤120, 50/50 in CH3OH
PH Range 5.0 - 7.5
PH 5.0-7.5 (100g/L in H2O)
Water Solubility  Miscible with water.
λmax λ: 260 nm Amax: ≤0.3
λ: 280 nm Amax: ≤0..2
Merck  13,7644
LogP -1.293 (est)
FDA 21 CFR 184.1666; 556.517; 558.464; 573.760; 582.1666; 582.4666; 178.3570; 310.545; 558.4
Substances Added to Food (formerly EAFUS) ETHYLENE OXIDE/PROPYLENE OXIDE COPOLYMER
EWG's Food Scores 2
FDA UNII PEG/PPG-35/9 COPOLYMER (1AZW43116L)
PEG/PPG-240/60 COPOLYMER (199SZS8E2Q)
PEG/PPG-30/160 COPOLYMER (68T8I45V23)
PEG/PPG-105/5 COPOLYMER (52901V8XAR)
PEG/PPG-18/4 COPOLYMER (66UUC8WX0D)
EPA Substance Registry System Poloxalene (9003-11-6)
Cosmetics Info Poloxamer 407

Safety

Hazard statements H412
Precautionary statements P273-P501
Hazard Codes  T
Risk Statements  21-23/24/25-25-36/37/38
Safety Statements  23-24/25-45-36/37/39-26
WGK Germany  3
RTECS  TP6164333
TSCA  Yes
HS Code  39059100
Hazardous Substances Data 9003-11-6(Hazardous Substances Data)
Toxicity LD50 oral in rabbit: 35gm/kg

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