Cation Traces
|
heavy metals (as Pb): ≤5 ppm
|
Grade
|
Biotechnology Performance Certified
|
Grade
|
for molecular biology
|
Impurities
|
DNase, RNase, protease, none detected
|
Impurities
|
endotoxin and bioburden, tested
|
Impurities
|
≤0.5% water (Karl Fischer)
|
pH Range
|
7.0 - 9.0
|
Purity
|
≥99.0% (titration)
|
Quality Level
|
ELITE
|
Suitability
|
cell culture tested
|
Absorption Wavelength
|
A40%/290 ≤0.05
|
pKa
|
8.1
|
Melting Point
|
150-152 °C
|
Solubility
|
H2O: soluble667 mg/mL
|
Personal Protective Equipment
|
dust mask type N95 (US), Eyeshields, Gloves
|
German water hazard class
|
1
|