Molekula
Imidazole LWC
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Imidazole LWC (288-32-4) is a heterocyclic organic compound widely used as a corrosion inhibitor, fungicide, and intermediate in pharmaceutical synthesis, particularly for antihistamines and antifungals. It appears as a white to off-white crystalline solid with a faint ammonia-like odor. This chemical has a molecular formula of C3H4N2 and a molecular weight of 68.08 g/mol. It is stored at ambient conditions and carries a Danger signal word due to its hazardous properties, including causing severe skin burns and eye damage, being harmful if swallowed, and possibly damaging the unborn child. Molekula supplies Imidazole LWC from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Pale yellow flakes |
| Water | ≤0.05% |
| Assay | ≥98.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 145 °C |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless crystals |
| Odour | Amine-like odor |
| Melting Point | 90.5 °C |
| Boiling Point | 257 °C |
| Density | 1.03 (relative, water = 1) |
| Water Solubility | 663 g/L at 20 °C |
| Solubility (other solvents) | Very soluble in ethanol; soluble in diethyl ether, acetone, pyridine; slightly soluble in benzene |
| Vapour Pressure | 0.3 Pa at 20 °C |
| Refractive Index | 1.4801 |
| pKa | pKa = 6.95 (at 25 °C) |
| log P (octanol/water) | -0.08 |
Source: PubChem CID 795 (HSDB, DrugBank, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90036180 |
| CAS Number | 288-32-4 |
| IUPAC Name | 1H-imidazole |
| EC Number | 206-019-2 |
| Molecular Formula | C3H4N2 |
| Molecular Weight | 68.08 |
| Exact Mass | 68.0374 |
| SMILES | C1=CN=CN1 |
| InChIKey | RAXXELZNTBOGNW-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5) |
| PubChem CID | 795 |
| UN Number | UN3263 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933296000 |
| Tariff Code | 2933299090 |
Safety & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H314 (sub cat. 1C) Causes severe skin burns and eye damage
- H360D May harm the unborn child
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1,3-Diaza-2,4-cyclopentadiene
- 1,3-Diazole
- 1H-Imidazole
- Glyoxalin
- Glyoxaline
- Imidazol
- imidazole
- Iminazole
- Imutex
- Miazole
Frequently asked questions
What is imidazole (CAS 288-32-4) commonly used for?
Imidazole is widely used as a corrosion inhibitor in lubricants, a building block in pharmaceutical synthesis (e.g., antihistamines, antivirals), and as a pH buffer in biochemical applications.
What is the molecular formula and molecular weight of imidazole?
The molecular formula is C₃H₄N₂, and the molecular weight is 68.08 g/mol.
How should imidazole be stored?
Store imidazole in a tightly sealed container at ambient temperature, away from moisture and incompatible substances.
What grades of imidazole does Molekula supply?
Molekula supplies Laboratory Reagent (LWC) grade imidazole, suitable for research and development applications.
Can Molekula supply imidazole in bulk quantities?
Yes, we can supply imidazole in bulk, with quantities tailored to your requirements—please contact us for pricing and availability.
What documentation comes with an order of imidazole?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a packing list with batch-specific details.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.