Poloxamer 188
SIGMA/15759
Synonym: Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol); Lutrol F68
CAS Number: 9003-11-6
MDL Number: MFCD00082049
Product Type: Chemical
| CMC | 0.48 mM |
| color | APHA: ≤120, 50/50 in CH3OH |
| composition | oxyethylene, 79.9-83.7% |
| form | solid |
| HLB | >24 |
| ign. residue | ≤0.30% |
| impurities | ≤0.25% ethylene glycol and diethylene glycol |
| ≤0.4% total ash | |
| ≤1 ppm ethylene oxide | |
| ≤1.0% water | |
| ≤2 ppm arsenic traces | |
| ≤20 ppm heavy metals | |
| ≤5 ppm dioxan | |
| ≤5 ppm propylene oxide | |
| 50-150 ppm butylhydroxytoluene | |
| InChI | 1S/C3H6O.C2H4O/c1-3-2-4-3 |
| InChI key | RVGRUAULSDPKGF-UHFFFAOYSA |
| mol wt | ~7680-9510 g/mol |
| pH | 5.0-7.5 (100 g/L in H2O) |
| 6.0-7.5 (25 g/L in H2O) | |
| Quality Level | 200  |
| transition temp | cloud point >100 °C |
).