|
Antion Traces
|
sulfate (SO42-): ≤50 mg/kg
|
|
Cation Traces
|
Al: ≤5 mg/kg
|
|
Cation Traces
|
As: ≤0.1 mg/kg
|
|
Cation Traces
|
Ba: ≤5 mg/kg
|
|
Cation Traces
|
Bi: ≤5 mg/kg
|
|
Cation Traces
|
Ca: ≤10 mg/kg
|
|
Cation Traces
|
Cd: ≤5 mg/kg
|
|
Cation Traces
|
Co: ≤5 mg/kg
|
|
Cation Traces
|
Cr: ≤5 mg/kg
|
|
Cation Traces
|
Cu: ≤5 mg/kg
|
|
Cation Traces
|
Fe: ≤5 mg/kg
|
|
Cation Traces
|
K: ≤50 mg/kg
|
|
Cation Traces
|
Li: ≤5 mg/kg
|
|
Cation Traces
|
Mg: ≤5 mg/kg
|
|
Cation Traces
|
Mn: ≤5 mg/kg
|
|
Cation Traces
|
Mo: ≤5 mg/kg
|
|
Cation Traces
|
Na: ≤50 mg/kg
|
|
Cation Traces
|
Ni: ≤5 mg/kg
|
|
Cation Traces
|
Pb: ≤5 mg/kg
|
|
Cation Traces
|
Sr: ≤5 mg/kg
|
|
Cation Traces
|
Zn: ≤5 mg/kg
|
|
Grade
|
for molecular biology
|
|
Ignition Residue
|
≤0.05% (as SO4)
|
|
Impurities
|
DNases, none detected
|
|
Impurities
|
RNases, none detected
|
|
Impurities
|
insoluble matter, passes filter test
|
|
Impurities
|
phosphatases, none detected
|
|
Impurities
|
proteases, none detected
|
|
λ
|
6 M in H2O
|
|
Linear Formula
|
NH2C(=NH)NH2 · HCl
|
|
Loss on Drying
|
≤0.05% loss on drying, 20 °C (HV)
|
|
Product Line
|
BioUltra
|
|
Purity
|
≥99.5% (AT)
|
|
Absorption Wavelength
|
λ: 260 nm Amax: 0.03
|
|
Absorption Wavelength
|
λ: 280 nm Amax: 0.02
|
|
Melting Point
|
180-185 °C(lit.)
|
|
pH
|
4.5-6.0 (25 °C, 6 M in H2O)
|
|
Solubility
|
H2O: soluble6 M at 20 °C, clear, colorless
|
|
GHS Pictograms
|
|
|
GHS Signal Word
|
Warning
|
|
GHS Hazard statements
|
H302-H315-H319
|
|
European Hazard Symbols
|
 Harmful (Xn)
|
|
MSDS Link
|
Download
|
|
Personal Protective Equipment
|
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
|
|
GHS Precautionary statements
|
P305 + P351 + P338
|
|
Risk Statements
|
22-36/38
|
|
Safety Statements
|
22
|
|
German water hazard class
|
2
|