I7000
CAS Number
288-32-4Grade
Molecular Biology GradeMDL Number
MFCD00005183Molecular Formula
C3H4N2Molecular Weight
68.08EU Commodity Code
38220090UN DOT Shipping
UN3263 PGIIIShipping Temp
RTStorage Temp
RTImidazole, 99+%
1,3-Diazo-2,4-cyclopentadiene; 1H-Imidazole; 1,3-Diazacyclopenta-2,4-diene; 1,3-diazole
Karl Fischer reagent. Imidazole can be used for the elution of histidine containing proteins from divalent cation resins. Imidazole can be used to prepare buffers in the pH range of 6.2-7.8 at 25°C. It is also a chelator for the binding of various divalent cations.
Synonyms
1,3-Diazo-2,4-cyclopentadiene; 1H-Imidazole; 1,3-Diazacyclopenta-2,4-diene; 1,3-diazole
Divalent Cation Log Binding Constant
Ca2+ 0.1 Mn2+ 1.6 Fe2+ 3.3 Co2+ 2.4 Ni2+ 2.9 Cu2+ 4.2 Zn2+ 2.0
Appearance
White crystals
Solubility (10%)
Colorless, clear, complete Imidazole is soluble in dH2O (~500mg/ml).
Melting Point
86.6-89.7°C (lit)
Water (Karl Fisher)
≤0.3%
Residue of Ignition
≤0.1%
Storage and Stability
Powder may be stored at RT. Stable for 12 months at RT after receipt.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Toxicity and Hazards
All products should be handled by qualified personnel only, trained in laboratory procedures.
Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.
References
1. Data for Biochemical Research, 3rd ed., Dawson, R. M. C., et al., Oxford University Press (New York, NY: 1986), 324-325. 2. The Merck Index, 13th ed., Entry# 4935. 3. Data for Biochemical Research, 3rd ed., Dawson, R. M. C., et al., Oxford University Press (New York, NY: 1986), 433, 409, 404-405. 4. Fernandez-Patron, C., et al., Biotechniques 12(4): 564-573 (1992).USBio References
No references available