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792527

Sigma-Aldrich

Imidazol

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

Sinônimo(s):

1,3-Diaza-2,4-ciclopentadieno, Glioxalina

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About This Item

Fórmula empírica (Notação de Hill):
C3H4N2
Número CAS:
288-32-4
Peso molecular:
68.08
Beilstein:
103853
Número CE:
206-019-2
Número MDL:
MFCD00005183
Código UNSPSC:
12352100
ID de substância PubChem:
329768341
NACRES:
NA.21

grau

ACS reagent
anhydrous

Nível de qualidade

200

pressão de vapor

<1 mmHg ( 20 °C)

linha de produto

Redi-Dri™

Ensaio

≥99%

forma

solid

qualidade

free-flowing

Impurezas

≤0.2% water

resíduo de ignição

≤0.1%

pH

9.5-11.0 (25 °C, 5% in H2O)

pKa (25 °C)

6.95

pb

256 °C (lit.)

pf

88-91 °C (lit.)

traços de cátion

Fe: ≤0.001%

cadeia de caracteres SMILES

c1c[nH]cn1

InChI

1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)

chave InChI

RAXXELZNTBOGNW-UHFFFAOYSA-N

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Aplicação

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.      

Excelente para tampões na faixa de pH de 6,2-7,8

Informações legais

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

Palavra indicadora

Danger

Frases de perigo

H302,H314,H360D

Classificações de perigo

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

Código de classe de armazenamento

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de risco de água (WGK)

WGK 2

Ponto de fulgor (°F)

293.0 °F - closed cup

Ponto de fulgor (°C)

145 °C - closed cup

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Certificados de análise (COA)

Lot/Batch Number
SLCM7641
SLCH7487
SLBT7469
SLCK7110
SLCJ6393

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Sigma-Aldrich

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