ChemicalBook--->CAS DataBase List--->693-98-1

693-98-1

693-98-1 Structure

693-98-1 Structure
IdentificationMore
[Name]

2-Methylimidazole
[CAS]

693-98-1
[Synonyms]

2-Methyl-1H-imidazole
2-METHYLGLYOXALINE
2-METHYLIMIDAZOLE
2MI
AKOS BBS-00004447
RESICURE(TM) 46
1H-Imidazole,2-methyl-
2-methyl-1h-imidazol
2-methyl-imidazol
2MZ
Glyoxalethyline
Imidazole, 2-methyl-
p-Oxal-methyline
Flucythrinate PESTANAL
2-Methylimidazole,97%
2-METHYLIMIDAZOLE pure
Curezol 2MZ
Denka CN 25
[EINECS(EC#)]

211-765-7
[Molecular Formula]

C4H6N2
[MDL Number]

MFCD00005190
[Molecular Weight]

82.1
[MOL File]

693-98-1.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow crystalline powder
[Melting point ]

142-143 °C (lit.)
[Boiling point ]

267-268 °C (lit.)
[density ]

1.0500 (rough estimate)
[vapor pressure ]

<1 mm Hg ( 0 °C)
[refractive index ]

1.4970 (estimate)
[Fp ]

155 °C
[storage temp. ]

2-8°C
[solubility ]

780g/l
[form ]

Crystalline Powder
[pka]

14.44±0.10(Predicted)
[color ]

White to light yellow
[PH]

10.5-11.5 (100g/l, H2O, 20℃)
[PH Range]

10.5
[Water Solubility ]

Soluble in water and ethanol.
[BRN ]

1368
[InChIKey]

LXBGSDVWAMZHDD-UHFFFAOYSA-N
[CAS DataBase Reference]

693-98-1(CAS DataBase Reference)
[IARC]

2B (Vol. 101) 2013
[NIST Chemistry Reference]

1H-Imidazole, 2-methyl-(693-98-1)
[EPA Substance Registry System]

693-98-1(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

C
[Risk Statements ]

R22:Harmful if swallowed.
R34:Causes burns.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S25:Avoid contact with eyes .
[RIDADR ]

UN 3259 8/PG 2
[WGK Germany ]

2
[RTECS ]

NI7175000
[Autoignition Temperature]

>600 °C DIN 51794
[Hazard Note ]

Harmful/Corrosive
[TSCA ]

Yes
[HazardClass ]

8
[PackingGroup ]

III
[HS Code ]

29332990
[Hazardous Substances Data]

693-98-1(Hazardous Substances Data)
[Toxicity]

LD50 orally in Rabbit: 1500 mg/kg
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ammonia-->Acetonitrile-->Ethylenediamine-->Glyoxal-->Acetaldehyde-->2-METHYL-2-IMIDAZOLINE-->1,8-Diaminooctane-->Imidazole-2-carboxaldehyde-->1,12-Dodecanediamine-->2-METHYL-4(5)-IODO-1(H)-IMIDAZOLE
[Preparation Products]

Ondansetron-->5-BROMO-1,2-DIMETHYL-1H-IMIDAZOLE-->1,2-Dimethyl-5-nitroimidazole-->Metronidazole-->2-Methyl-5-nitroimidazole-->1-Benzyl-2-methyl-1H-imidazole-->2-Methyl-4-nitroimidazole-->1-(2-HYDROXYETHYL)-2-METHYLIMIDAZOLE-->Hexamethylenediamine
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

2-Methylimidazole(693-98-1).msds
Hazard InformationBack Directory
[Hazard]

Possible carcinogen.
[Chemical Properties]

2-Methylimidazole is a white to light yellow crystalline powder with an amine-like odor. It is highly soluble in polar organic solvents.
[Uses]

2-Methylimidazole is a monomethylated imidazole that can be used as a building block in the preparation of a wide range of biologically active compounds. 2-Methylimidazole as well as other imidazoles can be use as catalyst for refolding of enhanced coloured fluorescent protein. 2-Methylimidazole has been identified as a byproduct of fermentation and is detected in foods and mainstream and side-str eam tobacco smoke.
[Uses]

Hardener or accelerator for epoxy
[Preparation]

2-Methylimidazole is prepared by condensation of glyoxal, ammonia and acetaldehyde, a Radziszewski reaction. It is widely used as a polymeriza tion cross-linking accelerator and a hardener for epoxy resin systems for semiconductor potting compounds and soldering masks.
It is obtained by eliminating dehydrogenation of 2-methylimidazoline. 2-methylimidazoline heated to melt (melting point 107 ℃), carefully add active nickel, raise the temperature to 200-210 ℃ reaction 2h. cool down to below 150 ℃, add water to dissolve, while hot pressure filtration, separation of active nickel, the filter Chemicalbook liquid concentrated to a temperature of 140 ℃ or more, put the material cooling that 2-methylimidazole. Use the method to produce purity of ≥ 98% of the product, 1t product consumption of ethylenediamine (95%) 1095kg, acetonitrile 975kg. better method is to use glyoxal and aldehyde as raw materials.
[General Description]

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
[Flammability and Explosibility]

Notclassified
[Purification Methods]

Recrystallise 2-methylimidazole from *benzene or pet ether. The picrate has m 215o (from H2O). [Beilstein 23 III/IV 594, 23/5 V 35.]
Spectrum DetailBack Directory
[Spectrum Detail]

2-Methylimidazole(693-98-1)MS
2-Methylimidazole(693-98-1)1HNMR
2-Methylimidazole(693-98-1)13CNMR
2-Methylimidazole(693-98-1)IR1
2-Methylimidazole(693-98-1)IR2
2-Methylimidazole(693-98-1)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

2-Methylimidazole, 99%(693-98-1)
[Alfa Aesar]

2-Methylimidazole, 97%(693-98-1)
[Sigma Aldrich]

693-98-1(sigmaaldrich)
[TCI AMERICA]

2-Methylimidazole,>97.0%(GC)(T)(693-98-1)
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