792527
Imidazole
anhydrous grade, ACS reagent grade, ≥99%, Redi-Dri™, free-flowing, solid
Synonym(s):
1,3-Diaza-2,4-cyclopentadiene, Glyoxaline
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
100 g | Check Cart for Availability | $66.10 $312.00 |
500 g | Check Cart for Availability | $166.00 $124.50 |
1 kg | Check Cart for Availability | $312.00 |
About This Item
$312.00
Product Name
Imidazole, anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99%
Quality Segment
grade
ACS reagent, anhydrous
vapor pressure
<1 mmHg ( 20 °C)
product line
Redi-Dri™
assay
≥99%
form
solid
quality
free-flowing
impurities
≤0.2% water
ign. residue
≤0.1%
pH
9.5-11.0 (25 °C, 5% in H2O)
pKa (25 °C)
6.95
bp
256 °C (lit.)
mp
88-91 °C (lit.)
cation traces
Fe: ≤0.001%
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
Imidazole can be used as a catalyst in the following
- Silylation of alcohols, carboxylic acids, and amines in the presence of silyl chloride in DMF.
- To prepare acid chlorides from the corresponding carboxylic acids and phosgene.
- Imidazole-PPh3/I2 catalytic system used in the conversion of alcohols into iodides.
- Imidazole-PPh3/I2 is used in the diol deoxygenation reaction.
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| description anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99% | description ReagentPlus®, 99%, Redi-Dri™, free-flowing | description ACS reagent, ≥99% (titration) | description ≥99% (titration), crystalline |
| assay ≥99% | assay 99% | assay ≥99% (titration) | assay ≥99% (titration) |
| Quality Level 200 | Quality Level 100 | Quality Level 300 | Quality Level 300 |
| form solid | form powder | form - | form crystalline |
| bp 256 °C (lit.) | bp 256 °C (lit.) | bp 256 °C (lit.) | bp 256 °C (lit.) |
| mp 88-91 °C (lit.) | mp 85-92 °C, 88-91 °C (lit.) | mp 88-91 °C (lit.) | mp 88-91 °C (lit.) |
| pH 9.5-11.0 (25 °C, 5% in H2O) | pH 9-11 at 100 g/L (23 °C) | pH 9.5-11.0 (25 °C, 5% in H2O) | pH 6.2-7.8 (25 °C) |
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signalword
Danger
hcodes
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
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