Imidazole
SIGMA/I0250 - ≥99% (titration), crystalline
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: I0250-250G
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: I0250-100G
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: I0250-1G
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: I0250-5G
| assay | ≥99% (titration) |
| bp | 256 °C (lit.) |
| color | white |
| form | crystalline |
| impurities | ≤0.005% Fluorescence blank (β-NADH equivalence.) |
| InChI | 1S/C3H4N2/c1-2-5-3-4-1/h1 |
| InChI key | RAXXELZNTBOGNW-UHFFFAOYSA |
| mp | 88-91 °C (lit.) |
| pH | 6.2-7.8 (25 °C) |
| pKa (25 °C) | 6.95 |
| Quality Level | 300  |
| SMILES string | c1c[nH]cn1 |
| solubility | water: 500 mg/mL, clear, colorless to very faintly yellow |
| storage temp. | room temp |
| vapor pressure | <1 mmHg ( 20 °C) |
| Application: | Excellent for buffers in the range of pH 6.2-7.8 |
| Packaging: | 1, 5, 25, 100, 250 g in glass bottle |
| Symbol |    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 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% (titration) |
| bp | 256 °C (lit.) |
| mp | 88-91 °C (lit.) |
| Storage Temp. | room temp |
| UNSPSC | 12352005 |