I0250
Imidazole
≥99% (titration), crystalline
Synonym(s):
1,3-Diaza-2,4-cyclopentadiene, Glyoxaline
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 g | Estimated to ship onOctober 26, 2026 | $55.00 |
25 g | Available to ship TODAY | $205.00 |
100 g | Estimated to ship TODAY | $543.00 |
250 g | Estimated to ship TODAYfromMILWAUKEE | $1,200.00 |
About This Item
vapor pressure
<1 mmHg ( 20 °C)
Quality Segment
assay
≥99% (titration)
form
crystalline
impurities
≤0.005% Fluorescence blank (β-NADH equivalence.)
color
white
pH
6.2-7.8 (25 °C)
pKa (25 °C)
6.95
bp
256 °C (lit.)
mp
88-91 °C (lit.)
solubility
water: 500 mg/mL, clear, colorless to very faintly yellow
storage temp.
room temp
SMILES string
c1c[nH]cn1
InChI
1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)
InChI key
RAXXELZNTBOGNW-UHFFFAOYSA-N
Application
1 of 1
This Item | |||
|---|---|---|---|
| description ≥99% (titration), crystalline | description BioUltra, Molecular Biology, ≥99.5% (GC) | description anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99% | description ReagentPlus®, 99% |
| assay ≥99% (titration) | assay ≥99.5% (GC) | assay ≥99% | assay 99% |
| Quality Level 300 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| form crystalline | form powder or crystals, flakes | form solid | form crystalline |
| storage temp. room temp | storage temp. - | storage temp. - | storage temp. - |
| solubility water: 500 mg/mL, clear, colorless to very faintly yellow | solubility H2O: 0.1 M at 20 °C, clear, colorless | solubility - | solubility - |
| pH 6.2-7.8 (25 °C) | pH 9.5-11.0 (25 °C, 0.1 M in H2O) | pH 9.5-11.0 (25 °C, 5% in H2O) | pH 9-11 at 100 g/L (23 °C) |
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Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1C
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 2
Flash Point (°F)
293.0 °F - closed cup
Flash Point (°C)
145 °C - closed cup
PPE (personal protective equipment)
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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