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Imidazole CAS#288-32-4

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Chemical Name：Imidazole

CAS No.:288-32-4

Molecular Formula:C3H4N2

Molecular weight:68.08

Sample: Available

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Product Details

Products Description of Imidazole CAS#288-32-4

Imidazole, with the molecular formula C3H4N2, is an organic compound, a type of diazole, and a five-membered aromatic heterocyclic compound containing two meta-nitrogen atoms in the molecular structure. The unshared electron pair of the 1-nitrogen atom in the imidazole ring participates in the cyclic conjugation, and the electron density of the nitrogen atom is reduced, making it easy for the hydrogen on this nitrogen atom to leave in the form of hydrogen ions.

Imidazole is acidic and alkaline, and can form salts with strong bases. The chemical properties of imidazole can be summarized as a combination of pyridine and pyrrole. These two structural units happen to be in enzymes. Histidine plays an important role in the catalysis of lipid hydrolysis as an acyl transfer reagent. Imidazole derivatives exist in biological organisms and are more important than imidazole itself in scientific research and industrial production, such as DNA, hemoglobin, etc.

Imidazole Chemical Properties

Melting point	88-91 °C(lit.)
Boiling point	256 °C(lit.)
density	1.01 g/mL at 20 °C
vapor pressure	<1 mm Hg ( 20 °C)
refractive index	1.4801
Fp	293 °F
storage temp.	Store below +30°C.
solubility	H2O: 0.1 M at 20 °C, clear, colorless
pka	6.953(at 25℃)
form	crystalline
color	white
Specific Gravity	1.03
Odor	Amine like
PH Range	9.5 - 11
PH	9.5-11.0 (25℃, 50mg/mL in H2O)
Water Solubility	633 g/L (20 ºC)
Sensitive	Hygroscopic
λmax	λ: 260 nm Amax: 0.10 λ: 280 nm Amax: 0.10
Merck	14,4912
BRN	103853
Dielectric constant	23.0（Ambient）
Stability:	Stable. Incompatible with acids, strong oxidizing agents. Protect from moisture.
InChIKey	RAXXELZNTBOGNW-UHFFFAOYSA-N
LogP	-0.02 at 25℃
CAS DataBase Reference	288-32-4(CAS DataBase Reference)
NIST Chemistry Reference	1H-Imidazole(288-32-4)
EPA Substance Registry System	Imidazole (288-32-4)

Safety Information

Hazard Codes	C,Xi,T
Risk Statements	36/38-63-34-22-20/21/22-61
Safety Statements	26-36/37/39-45-22-36-27-53
RIDADR	UN 2923 8/PG 3
WGK Germany	1
RTECS	NI3325000
Autoignition Temperature	480 °C
TSCA	Yes
HazardClass	8
PackingGroup	III
HS Code	29332990
Hazardous Substances Data	288-32-4(Hazardous Substances Data)
Toxicity	LD50 in mice (mg/kg): 610 i.p.; 1880 orally (Nishie)

Product Application of Imidazole CAS#288-32-4

Imidazole is slightly more alkaline than pyrazole and can generate stable salts such as picrate and nitrate. One use of imidazole is to purify His-tagged proteins in metal chelate affinity chromatography (IMAC). The tagged protein binds to the nickel ion medium in the bead hole on the surface of the chromatography column. Excess imidazole passes through the chromatography column to elute the tagged protein coordinated with nickel to obtain a high-purity target protein.

Imidazole is an important fine chemical raw material, mainly used in the synthesis of medicines and pesticides and epoxy resin curing agent, used as a pesticide raw material, used as a synergist for boric acid preparations, and used to prepare insecticides and fungicides. Used as an epoxy resin curing agent, it can improve the mechanical properties of products such as bending, stretching, and compression, improve the electrical properties of insulation, and improve the chemical properties of chemical resistance. It is widely used in computers and electrical appliances.

It is used in imidazole antifungal drugs in medicine. It is one of the main raw materials for drugs such as dichlorobenzamide, econazole, ketoconazole, and clotrimazole. It can be used as a copper rust inhibitor for printed circuit boards and integrated circuits. It is also used as a raw material and organic synthesis intermediate for urea-formaldehyde resin curing agent, photographic drugs, adhesives, coatings, rubber vulcanizers, antistatic agents, etc. It is also widely used as a preservative for fruits.

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