Metanilic acid(121-47-1) IR2
Molecular FormulaC6H7NO3S
Molecular Weight173.19
InChIInChI=1S/C6H7NO3S/c7-5-2-1-3-6(4-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
InChIKey ZAJAQTYSTDTMCU-UHFFFAOYSA-N
SmilesC1(S(O)(=O)=O)=CC=CC(N)=C1
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![](https://www.chemicalbook.com/Spectrum/121-47-1_MS.gif)
Mass
MS-NW-0353
m-aminobenzenesulfonic acid
C6H7NO3S (Mass of molecular ion: 173)
Source Temperature: 170 °C
Sample Temperature: 330 °C
Direct, 75 eV
17.0 1.5
18.0 7.5
27.0 2.5
28.0 6.2
35.0 3.1
36.0 23.8
37.0 1.8
38.0 9.5
39.0 16.0
40.0 1.9
41.0 5.3
42.0 2.0
44.0 1.7
45.5 1.0
48.0 5.1
50.0 2.5
51.0 2.9
52.0 6.0
53.0 3.7
54.0 2.1
61.0 1.5
62.0 3.6
63.0 8.9
64.0 11.3
65.0 57.3
66.0 9.7
67.0 1.0
71.5 1.0
74.0 1.4
75.0 1.2
77.0 1.1
78.0 1.0
80.0 13.0
81.0 5.0
82.0 1.8
89.0 1.1
90.0 2.4
91.0 9.3
92.0 55.4
93.0 14.3
94.0 1.2
108.0 2.0
109.0 14.3
110.0 1.1
115.0 4.4
116.0 2.0
125.0 3.7
140.0 1.2
141.0 1.5
143.0 11.5
144.0 1.7
173.0 100.0
174.0 8.0
175.0 5.5