1-Methyl-1H-imidazole

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CAS NO.: 616-47-7 Catalog: IMI220
Formula: C4H6N2 Purity: 97.00% +
Molecular Weight: 82.1 Pubchem CID: 1390
InChI Key: MCTWTZJPVLRJOU-UHFFFAOYSA-N
Canonical SMILES: CN1C=CN=C1
Storage: Store in a cool, dry and well-ventilated area away from incompatible substances.
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Properties Information

Melting point:
-60 °C(lit.)
Boiling point:
198 °C(lit.)
Density 
1.03 g/mL at 25 °C(lit.)
vapor pressure 
0.4 mm Hg ( 20 °C)
refractive index 
n20/D 1.495(lit.)
Flash point:
198 °F
storage temp. 
Store at RT.
pka
6.95(at 25?)
form 
Liquid
color 
Clear colorless to yellow
Specific Gravity
1.031
PH
9.5-10.5 (50g/l, H2O, 20?)
PH Range
9.5 - 11.5 at 100 g/l at 20 °C
explosive limit
2.7-15.7%(V)
Water Solubility 
Miscible with water.
Sensitive 
Hygroscopic
BRN 
105197
Stability:
Stable, but moisture sensitive. Incompatible with acids, acid anhydrides, strong oxidizing agents, moisture, carbon dioxide, acid chlorides.
InChIKey
MCTWTZJPVLRJOU-UHFFFAOYSA-N

Safety Information

Symbol(GHS) 

GHS07,GHS05,GHS06
Signal word 
Danger
Hazard statements 
H227-H312-H302-H311-H314
Precautionary statements 
P210e-P260h-P405-P501a-P280-P301+P312+P330-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes 
C,Xn,F,T
Risk Statements 
21/22-34-19-11-20/21/22-52/53-24-22-40-37-21
Safety Statements 
26-36-45-1/2-36/37/39-16-33-29-61
RIDADR 
UN 3267 8/PG 2
WGK Germany 
1
RTECS 
NI7000000
3-10
Autoignition Temperature
977 °F
TSCA 
Yes
Hazard Class 
8
Packing Group 
III
HS Code 
29332990
Toxicity
LD50 orally in Rabbit: 1144 mg/kg LD50 dermal Rabbit > 400 - < 640 mg/kg