Imidazole

제품 이름

Imidazole, BioUltra, Molecular Biology, ≥99.5% (GC)

InChI key

RAXXELZNTBOGNW-UHFFFAOYSA-N

InChI

1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)

SMILES string

c1c[nH]cn1

grade

Molecular Biology

vapor pressure

<1 mmHg ( 20 °C)

product line

BioUltra

assay

≥99.5% (GC)

form

flakes
powder or crystals

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤0.2% water

ign. residue (900 °C)

≤0.05%

pH

9.5-11.0 (25 °C, 0.1 M in H₂O)

pKa (25 °C)

6.95

bp

256 °C (lit.)

mp

88-91 °C (lit.)

solubility

H₂O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤50 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: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in H₂O

UV absorption

λ: 260 nm A_max: 0.10
λ: 280 nm A_max: 0.10

Quality Level

200