Kolliphor® P 188

形式

solid

分子量

~7680-9510 g/mol

组成

oxyethylene, 79.9-83.7%

杂质

≤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

灼烧残渣

≤0.30%

颜色

APHA: ≤120, 50/50 in CH3OH

pH值（酸碱度）

5.0-7.5 (100 g/L in H2O)
6.0-7.5 (25 g/L in H2O)

CMC

0.48 mM

转变温度

cloud point >100 °C

HLB

>24