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199885

Sigma-Aldrich

4(5)-Methylimidazole

98%

Sinônimo(s):

1H-4-Methylimidazole, 4(or 5)-Methylimidazole, 4-Methyl-1H-imidazole, 4-Methylimidazole, 5-Methyl-1H-imidazole, 5-Methylimidazole

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About This Item

Fórmula empírica (Notação de Hill):
C4H6N2
Número CAS:
822-36-6
Peso molecular:
82.10
Beilstein:
1453
Número CE:
212-497-3
Número MDL:
MFCD00005201
Código UNSPSC:
12352005
ID de substância PubChem:
24851942
NACRES:
NA.22

Nível de qualidade

100

Ensaio

98%

pb

263 °C (lit.)

pf

44-47 °C (lit.)

solubilidade

H2O: soluble, clear, colorless to yellow (50 mg/mL)

cadeia de caracteres SMILES

Cc1c[nH]cn1

InChI

1S/C4H6N2/c1-4-2-5-3-6-4/h2-3H,1H3,(H,5,6)

chave InChI

XLSZMDLNRCVEIJ-UHFFFAOYSA-N

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Descrição geral

4(5)-Methylimidazole was quantified in coffee by GC-MS method.

Pictogramas

CorrosionExclamation mark
GHS05,GHS07

Palavra indicadora

Danger

Frases de perigo

H302 + H312,H314

Classificações de perigo

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Skin Corr. 1B

Código de classe de armazenamento

8A - Combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 2

Ponto de fulgor (°F)

314.6 °F - closed cup

Ponto de fulgor (°C)

157 °C - closed cup

Equipamento de proteção individual

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number
WXBD3882V
WXBD2731V
MKCK3992
MKBV5083V
MKBN5017V

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S Casal et al.
Journal of chromatography. A, 976(1-2), 285-291 (2002-12-05)
A GC-MS method is described for quantification of 4-(5-)methylimidazole (4MI) in coffee. Although tested, GC-flame ionization detection proved inadequate for this purpose due to the complexity of the coffee matrix. The developed method was based on ion-pair extraction with bis-2-ethylhexylphosphate
Matt Hengel et al.
Journal of agricultural and food chemistry, 61(4), 780-789 (2013-01-09)
Since the National Toxicology Program (NTP) identified 4(5)-methylimidazole [4(5)-MI] as a cancer causing chemical in 2007 and the State of California added it to the Proposition 65 list of compounds as a carcinogen on January 7, 2011, many researchers and
Hitomi Yamaguchi et al.
Journal of agricultural and food chemistry, 59(18), 9770-9775 (2011-09-02)
A method for the determination of 4(5)-methylimidazole (4MeI) in naturally brewed soy sauce was developed for the first time using solid-phase extraction (SPE) and liquid chromatography-tandem mass spectrometry (LC-MS/MS). SPE on silica-based reversed-phase cartridges with heptafluorobutyric acid as an ion-pairing
Young-Teck Kim et al.
Talanta, 78(3), 998-1003 (2009-03-10)
Based on the principle of liquid core waveguide, a novel microfluidic device with micro-scale detection window capable of sensing flashlight emitted from rapid 1,1'-oxalyldi-4-methylimidazole (OD4MI) chemiluminescence (CL) reaction was fabricated. Light emitted from OD4MI CL reaction occurring in the micro-dimensional
P C Chan et al.
Archives of toxicology, 82(1), 45-53 (2007-07-11)
4-Methylimidazole (4MI) is used in the manufacture of pharmaceuticals, photographic chemicals, dyes and pigments, cleaning and agricultural chemicals, and rubber. It has been identified as a by-product of fermentation in foods and has been detected in mainstream and side stream
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