Sigma-Aldrich
687189 
Aldrich 

2-Methyl-3-butyn-2-amine 

95%  
  1 of 1  
      
 
Synonym 
1,1-Dimethylpropargylamine
 
 
3-Amino-3-methyl-1-butyne
 
Molecular Formula
C5H9N
 
Molecular Weight
83.13
 
CAS Number 
2978-58-7
MDL number 
MFCD00008052

 
EG/EC Number 
221-029-7

 
 
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Price and Availability
Properties
assay 
95%
 
refractive index 
n20/D 1.4237
 
bp 
79-80 °C/760 mmHg
 
density 
0.79 g/mL at 25 °C
Safety
Hazard Codes 
F,C
 
Risk Statements 
11-22-34-43
 
Safety Statements 
16-26-36/37/39-45
 
RIDADR 
UN 2733 3/PG 2
 
RTECS 
ER9543533
 
Flash Point(F) 
36 °F
 
Flash Point(C) 
2 °C
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687189 (Aldrich)



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