Imidazole, 99+% CAS 288-32-4

CAS Number

288-32-4

Grade

Molecular Biology Grade

MDL Number

MFCD00005183

Molecular Formula

C3H4N2

Molecular Weight

68.08

EU Commodity Code

38220090

UN DOT Shipping

UN3263 PGIII

Shipping Temp

Storage Temp

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

CAS No

288-32-4

Molecular Formula

C3H4N2

Molecular Weight

68.08

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

Purity (GC)

≥99%

Appearance

White crystals

Solubility (10%)

Colorless, clear, complete Imidazole is soluble in dH2O (~500mg/ml).

As Reported

Melting Point

86.6-89.7°C (lit)

Boiling Point

~256°C

Water (Karl Fisher)

≤0.3%

Iron

≤0.0005%

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.

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

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I7000 Imidazole, 99+% CAS: 288-32-4

CAS Number

Grade

MDL Number

Molecular Formula

Molecular Weight

EU Commodity Code

UN DOT Shipping

Shipping Temp

Storage Temp

1,3-Diazo-2,4-cyclopentadiene; 1H-Imidazole; 1,3-Diazacyclopenta-2,4-diene; 1,3-diazole

References

USBio References

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