1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE

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1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE Basic information

Product Name:
1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE
CAS:
14542-93-9
MF:
C9H17N
MW:
139.24
EINECS:
238-577-8
Mol File:
14542-93-9.mol
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1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE Chemical Properties

Boiling point:
55-57 °C11 mm Hg(lit.)
Density 
0.794 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.422(lit.)
Flash point:
125 °F
storage temp. 
2-8°C
BRN 
2076559
CAS DataBase Reference
14542-93-9(CAS DataBase Reference)
EPA Substance Registry System
Pentane, 2-isocyano-2,4,4-trimethyl- (14542-93-9)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
10-20/21/22
Safety Statements 
23-36/37
RIDADR 
UN 1993 3/PG 3
WGK Germany 
3
10-21
HS Code 
2929 90 00
HazardClass 
3.2
PackingGroup 
III

MSDS

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1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE Usage And Synthesis

Chemical Properties

clear colorless liquid

Preparation

To a stirred solution of 83.0 g (0.528 mole) of N-(l,l,3,3-tetramethylbutyl) formamide in 11 of DMF was added dropwise, under a nitrogen atmosphere, a solution made up of thionyl chloride (40.3 ml, 0.55 mole) dissolved in 150 ml of DMF. The addition was at such a rate that the temperature did not exceed -50°C. After the addition, the cooling bath was removed momentarily to allow the temperature to increase to -35°C and then it was replaced while 118.0 g (1.11 mole) of sodium carbonate (anhydrous grade) was added. Then the cooling bath was removed and the reaction mixture was diluted with ice-cold water in a separatory funnel and then extracted with pentane. The pentane extract was dried over sodium sulfate and concentrated, and the product distilled to yield 68.4 g (93% yield), b.p. 55.5-56.6°C (11 mm). Infrared spectrum (neat) 2110 c m " 1 (s); nmr (neat) 51.08 [s, 9, C(CH3) 2] , 1.43 [t, 6, J = 2Hz, C(CH3) 2] , 1.58 (t, 2, J = 2.3 Hz, CH2).
Preparation of1,1,3,3-Tetramethylbutylisonitrile

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1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE(14542-93-9)Related Product Information

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