trans-1,4-Diaminocyclohexane
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trans-1,4-Diaminocyclohexane
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CAS No:
2615-25-0
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Formula:
C6H14N2
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Chemical Name:
trans-1,4-Diaminocyclohexane
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Synonyms:
1,4-Cyclohexanediamine,trans-;trans-1,4-Cyclohexanediamine;trans-1,4-Diaminocyclohexane;trans-1,4-Bisaminocyclohexane;1,4-trans-Diaminocyclohexane
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CAS No:
Characteristics
52
-0.3
Off-white to brown Crystals or Chunks
0.9±0.1 g/cm3
258-260 °C
197 °C(lit.)
71 °C
1.484
18 mm Hg ( 87.2 °C)
6%
Safety Information
Ⅱ
8
UN 3259 8/PG 2
2
22-34-20/21/22
26-36/37/39-45
C
P280-P305 + P351 + P338-P310
H302-H314
trans-1,4-Diaminocyclohexane Use and Manufacturing
In a 500 mL autoclave, 100 g of 1, 4-diaminocyclohexane (cis / trans form = 80/20, manufactured by Tokyo Chemical Industry Co., Ltd.), 100 g of propylene glycol monomethyl ether (PGME) 7.5 g of Ru catalyst (AA-4501, 5percent Ru alumina powder, manufactured by N. E-Chemcat Co., Ltd.) and 0.63 g of sodium methoxide (manufactured by Tokyo Chemical Industry Co., Ltd.) were charged, (N 2) gas (10 kgf / cm 3) was repeated three times, and the inside of the system was replaced with nitrogen gas.While stirring at a stirring speed of 300 rpm, a temperature The reaction was carried out for 2 hours under the condition of 200 ° C. and pressure (pressure of N 2 gas) of 12 MPa. After the reaction, the reaction mixture was cooled to room temperature and pressure filtered using a 0.2 μm membrane filter to remove the catalyst to obtain a filtrate. Analysis of the obtained filtrate by gas chromatography mass spectrometry (GC-MS) revealed that the proportion of cis isomer was 63.37 areapercent, the proportion of trans form was 34.7 areapercent, the other components (4-aminocyclo By-product such as hexanol) was 1.93 areapercent, and cis / trans form = 65/35.
trans-1,4-diaminocyclohexane be used as organic intermediates and epoxy curing agents.
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