Product NameHexamethylphosphoramide
CAS680-31-9
Molecular FormulaC6H18N3OP
Molecular Weight179.2
InChIInChI=1S/C6H18N3OP/c1-7(2)11(10,8(3)4)9(5)6/h1-6H3
InChIKey GNOIPBMMFNIUFM-UHFFFAOYSA-N
SmilesP(N(C)C)(N(C)C)(N(C)C)=O

Mass
MS-NW-3747 hexamethylphosphoric triamide C6H18N3OP (Mass of molecular ion: 179)
Source Temperature: 280 °C Sample Temperature: 180 °C Reservoir, 75 eV
15.0 6.2
18.0 3.7
28.0 3.4
30.0 2.5
41.0 1.1
42.0 21.7
43.0 6.1
44.0 100.0
45.0 80.6
46.0 20.1
47.0 3.2
49.0 1.4
58.0 3.0
60.0 2.8
73.0 2.0
75.0 1.5
76.0 4.2
78.0 1.0
88.0 1.7
88.5 1.0
90.0 4.7
91.0 3.8
92.0 23.2
93.0 6.8
119.0 2.0
121.0 1.2
134.0 1.0
135.0 92.3
136.0 26.2
137.0 1.6
179.0 37.2
180.0 3.1
90 MHz in CDCl3
400 MHz in CDCl3

| 1H NMR | 89.56 MHz |
| C6 H18 N3 O P | 0.04 ml : 0.5 ml CDCl3 |
| hexamethylphosphoric triamide | |
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Assign. Shift(ppm) |
Hz ppm Int.
242.13 2.704 1000
232.81 2.600 996

| 1H NMR | 399.65 MHz |
| C6 H18 N3 O P | 0.05 ml : 0.5 ml CDCl3 |
| hexamethylphosphoric triamide | |
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Assign. Shift(ppm) |
Hz ppm Int.
1080.32 2.704 21 1075.20 2.691 39 1066.41 2.669 988 1057.13 2.646 1000 1045.65 2.617 36
in CDCl3

CCl4 solution

liquid film

4880 A,200 M,liquid

Hexamethylphosphoramide(680-31-9) MS Atlas of Related Products
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