1H-imidazole
CAS No.: 288-32-4 Formula: C3H4N2 Molecular Weight: 68.07730
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1H-imidazole

CAS No.: 288-32-4 Formula: C3H4N2 Molecular Weight: 68.07730
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Description

Imidazole is a versatile heterocycle used in the preparation of various biologically active compounds such as the amino acid histidine and is present in many antifungal medication. It is also used extensively as a corrosion inhibitor on transition metals such as copper.

Numbering system

EINECS number 206-019-2
MDL number MFCD00005183

Properties

Appearance & Physical State white to yellow crystals or powder,with an amine odour
Density 1.116 g/cm3
Boiling Point 255-256ºC
Melting Point 86-90ºC
Flash Point 145ºC
Refractive Index 1.4801
Water Solubility 633 g/L (20 ºC)
Stability Stable. Incompatible with acids, strong oxidizing agents. Protect from moisture.
Storage Condition 2-8ºC
Vapor Pressure <1 mm Hg ( 20 °C)

Safety Info

RTECS NI3325000
Hazard Class 8
Safety Statements S22-S26-S36/37/39-S45
HS Code 2933990090
WGK Germany 1
Packing Group III
RIDADR UN 1759
Risk Statements R22; R34; R63
Hazard Codes C
Hazard Declaration H302; H314; H360D
Caution Statement P201; P260; P280; P303 + P361 + P353; P305 + P351 + P338; P308 + P313
Symbol GHS05, GHS07, GHS08
Signal Word Danger
1H NMR : 90 MHz in CDCl3Expand

NMR Spectrum 1H NMR : 90 MHz in CDCl3

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C3 H4 N2 0.040 g : 0.5 ml CDCl3
imidazole

Assign. Shift(ppm)
A 7.729
B 7.129

J(A,B)=1.0Hz.
H2O included.

IR : nujol mullExpand
Mass Expand
ESR : COPPER(II) COMPLEX, 77K, HALF FIELDExpand

GC Analysis

Total 8 Documents >>
Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
Capillary OV-101 110. 1069. isothermal
Capillary OV-101 110. 1042. isothermal
Capillary OV-101 150. 1069. isothermal
Packed SE-30 - 1095. custom temperature program
Capillary PEG-40M/KF 170. 2172. isothermal
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