Imidazole
ALDRICH/I202 - ReagentPlus®, 99%
Synonym: 1,3-
CAS Number: 288-32-4
Empirical Formula (Hill Notation): C3H4N2
Molecular Weight: 68.08
EC Number: 206-019-2
MDL Number: MFCD00005183
Linear Formula: C3H4N2
Product Type: Chemical


This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: I202-100G
This image depicts SKU: I202-100G

This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: I202-5G

This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: I202-500G
This image depicts SKU: I202-500G

This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: I202-1KG
This image depicts SKU: I202-1KG

This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: I202-2KG
This image depicts SKU: I202-2KG
assay | 99% |
bp | 256 °C (lit.) |
form | crystalline |
InChI | 1S/C3H4N2/c1-2-5-3-4-1/h1 |
InChI key | RAXXELZNTBOGNW-UHFFFAOYSA |
mp | 88-91 °C (lit.) |
pH | 9-11 at 100 g/L (23 °C) |
pKa (25 °C) | 6.95 |
product line | ReagentPlus® |
Quality Level | 200 ![]() |
SMILES string | c1c[nH]cn1 |
vapor pressure | <1 mmHg ( 20 °C) |
Application: | Excellent for buffers in the range of pH 6.2-7.8 |
Application: | Imidazole is a biocompatible molecule that is used as a scaffold for biomimetic applications. It is used as a bioreagent with an ability to hydrogen bond with drugs and proteins. It can be also be used as an additive for the formation of an electrolyte for fuel cell applications. |
Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
Packaging: | 1, 5, 25 g in glass bottle |
Packaging: | 100, 500 g in poly bottle |
Packaging: | 2 kg in poly bottle |
Packaging: | 5 kg in poly drum |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H302 - H314 - H360D |
Precautionary statements | P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
Hazard Codes | T |
Risk Statements | 61-22-34 |
Safety Statements | 53-26-36/37/39-45 |
RIDADR | UN 3263 8 / PGIII |
WGK Germany | WGK 2 |
Flash Point(F) | 293.0 °F - closed cup |
Flash Point(C) | 145 °C - closed cup |
Purity | 99% |
bp | 256 °C (lit.) |
mp | 88-91 °C (lit.) |
UNSPSC | 12352005 |