异硫氰酸胍

grade

Molecular Biology

product line

BioUltra

assay

≥99.0% (AT)

form

solid

impurities

DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected

ign. residue

≤0.5% (as SO₄)

loss

≤0.1% loss on drying, 20 °C (HV)

pH

4.5-7.0 (25 °C, 6 M in H₂O)

mp

117-120 °C, 120-122 °C (lit.)

solubility

H₂O: 6 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤5000 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤5000 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

absorption

cut-off at 280 nm in H₂O at 6 M

Quality Level

100