I0250

Imidazole

≥99% (titration), crystalline

• Synonym(s): 1,3-Diaza-2,4-cyclopentadiene, Glyoxaline
• Empirical Formula (Hill Notation): C₃H₄N₂
• CAS Number: 288-32-4
• Molecular Weight: 68.08
• Beilstein: 103853
• EC Number: 206-019-2
• MDL number: MFCD00005183
• eCl@ss: 39161001
• PubChem Substance ID: 24895898
• NACRES: NA.25

Properties

• Quality Level: 300
• vapor pressure: <1 mmHg ( 20 °C)
• assay: ≥99% (titration)
• form: crystalline
• impurities: ≤0.005% Fluorescence blank (β-NADH equivalence.)
• color: white
• pH: 6.2-7.8 (25 °C)
• pKa (25 °C): 6.95
• bp: 256 °C (lit.)
• mp: 88-91 °C (lit.)
• solubility: water: 500 mg/mL, clear, colorless to very faintly yellow
• storage temp.: room temp
• SMILES string: c1c[nH]cn1
• InChI: 1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)
• InChI key: RAXXELZNTBOGNW-UHFFFAOYSA-N

Description

Packaging

1, 5, 25, 100, 250 g in glass bottle

Application

Excellent for buffers in the range of pH 6.2-7.8

Safety Information

• Pictograms: GHS05,GHS07,GHS08
• Signal Word: Danger
• Hazard Statements: H302 - H314 - H360D
• Precautionary Statements: P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1C
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 2
• Flash Point(F): 293.0 °F - closed cup
• Flash Point(C): 145 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves