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792527 Sigma-Aldrich

Imidazole

Green Alternative

anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99%

Synonym: 1,3-Diaza-2,4-cyclopentadiene, Glyoxaline

  • CAS Number 288-32-4

  • Empirical Formula (Hill Notation) C3H4N2

  • Molecular Weight 68.08

  •  Beilstein/REAXYS Number 103853

  •  EC Number 206-019-2

  •  MDL number MFCD00005183

  •  PubChem Substance ID 329768341

  •  NACRES NA.21

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Properties

Related Categories 12 Principles Aligned Products, ACS Grade Buffers, Biochemicals and Reagents, Biological Buffers, Buffers A to Z,
Quality Level   200
grade   ACS reagent
  Redi-Dri
  anhydrous
vapor pressure   <1 mmHg ( 20 °C)
assay   ≥99%
form   solid
quality   free-flowing
greener alternative product characteristics   Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
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

Description

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency.Find details here.

Packaging

1 kg in poly bottle

100, 500 g in poly bottle

Application

Excellent for buffers in the range of pH 6.2-7.8

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 3263 8 / PGII
RTECS 
NI3325000

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Meet Synthia - Retrosynthesis Sofware

Single- & multi-channel pipettes from BRAND
Protocols & Articles

Articles

Enjoy the Free-flowing Experience - Redi-Dri™

What is the most frustrating moment you have experienced in the lab? Inadequate chemicals for the reaction? Or rock-solid material as you open your bottle when you only need a small amount? If you ha...
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Protocols

Redi-Dri™ FAQs

A time study was performed to test the Red-Dri Packaging System against standard packaging. Equivalent units of both packaging systems containing potassium chloride (KCl) were introduced to a control...
Keywords: Absorption

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Chemical Synthesis

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Peer-Reviewed Papers
15

References

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