Quality Level

200

grade

for molecular biology

product line

BioUltra

assay

≥99.0% (AT)

form

powder or crystals

impurities

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

ign. residue

≤0.2% (as SO₄)

loss

≤0.2% loss on drying, 110 °C

pH

2.5-4.0 (25 °C, 4 M in H₂O)

useful pH range

7.0-9.0

pKa (25 °C)

8.1

mp

150-152 °C

solubility

H₂O: 4 M at 20 °C, clear, colorless

anion traces

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: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

4 M in H₂O

UV absorption

λ: 260 nm A_max: 0.12
λ: 280 nm A_max: 0.08

SMILES string

Cl.NC(CO)(CO)CO

InChI

1S/C4H11NO3.ClH/c5-4(1-6,2-7)3-8;/h6-8H,1-3,5H2;1H

InChI key

QKNYBSVHEMOAJP-UHFFFAOYSA-N