Buffer capsule, for pH4

For the preparation of 100 ml buffer solution (pH 4) with distilled water;
Shelf life: approx. 3 years (in capsule)
Accuracy: ±0.02 pH
Potassium hydrogen phthalate CAS: 877-24-7, EINECS/ELINCS: 212-889-4
contains no hazardous components
for transport: no dangerous goods
the product is not subject to labelling according to Regulation (EC) 1272/2008 (CLP)