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Merck

792527

Imidazole

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

동의어(들):

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

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제품정보 (DICE 배송 시 비용 별도)

실험식(Hill 표기법):
C3H4N2
CAS 번호:
Molecular Weight:
68.08
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
206-019-2
MDL number:
Beilstein/REAXYS Number:
103853
Assay:
≥99%
Form:
solid
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제품 이름

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

Quality Level

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

Excellent for buffers in the range of pH 6.2-7.8
Imidazole can be used as a proton transfer agent in the synthesis of porous organic polymers because of its amphiprotic nature and fast proton transfer behavior.
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

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


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Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1C

저장 등급

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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문서

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.


Joy Rathjen et al.
Reproduction, fertility, and development, 26(5), 703-716 (2013-06-14)
Human embryonic stem (ES) cells have been proposed as a renewable source of pluripotent cells that can be differentiated into various cell types for use in research, drug discovery and in the emerging area of regenerative medicine. Exploitation of this
E Rosalie Witjas-Paalberends et al.
The Journal of physiology, 592(15), 3257-3272 (2014-06-15)
The first mutation associated with hypertrophic cardiomyopathy (HCM) is the R403Q mutation in the gene encoding β-myosin heavy chain (β-MyHC). R403Q locates in the globular head of myosin (S1), responsible for interaction with actin, and thus motor function of myosin.
Joel E Schmidt et al.
Angewandte Chemie (International ed. in English), 53(32), 8372-8374 (2014-06-26)
Crystalline molecular sieves are used in numerous applications, where the properties exploited for each technology are the direct consequence of structural features. New materials are typically discovered by trial and error, and in many cases, organic structure-directing agents (OSDAs) are



국제 무역 품목 번호

SKUGTIN
792527-100G04061832950914
792527-1KG04061832950921
792527-500G04061832950938