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199885

Sigma-Aldrich

4(5)-Methylimidazol

98%

Synonym(e):

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

Empirische Formel (Hill-System):
C4H6N2
CAS-Nummer:
822-36-6
Molekulargewicht:
82.10
Beilstein:
1453
EG-Nummer:
212-497-3
MDL-Nummer:
MFCD00005201
UNSPSC-Code:
12352005
PubChem Substanz-ID:
24851942
NACRES:
NA.22

Qualitätsniveau

100

Assay

98%

bp

263 °C (lit.)

mp (Schmelzpunkt)

44-47 °C (lit.)

Löslichkeit

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

SMILES String

Cc1c[nH]cn1

InChI

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

InChIKey

XLSZMDLNRCVEIJ-UHFFFAOYSA-N

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Allgemeine Beschreibung

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

Piktogramme

CorrosionExclamation mark
GHS05,GHS07

Signalwort

Danger

Gefahreneinstufungen

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

Lagerklassenschlüssel

8A - Combustible corrosive hazardous materials

WGK

WGK 2

Flammpunkt (°F)

314.6 °F - closed cup

Flammpunkt (°C)

157 °C - closed cup

Persönliche Schutzausrüstung

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

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
WXBD3882V
WXBD2731V
MKCK3992
MKBV5083V
MKBN5017V

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Sigma-Aldrich

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Sigma-Aldrich

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4-tert-Butyl-1H-imidazole

2-Butanonoxim 99%

Sigma-Aldrich

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Sigma-Aldrich

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1,2-Dimethylimidazol

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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