4,4'-Diamino-2,2'-stilbenedisulfonic acid(81-11-8) MS
Molecular FormulaC14H14N2O6S2
Molecular Weight370.4
InChIInChI=1S/C14H14N2O6S2/c15-11-5-3-9(13(7-11)23(17,18)19)1-2-10-4-6-12(16)8-14(10)24(20,21)22/h1-8H,15-16H2,(H,17,18,19)(H,20,21,22)
InChIKey REJHVSOVQBJEBF-UHFFFAOYSA-N
SmilesC(C1=CC=C(N)C=C1S(O)(=O)=O)=CC1=CC=C(N)C=C1S(O)(=O)=O
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![](https://www.chemicalbook.com/Spectrum/81-11-8_MS.gif)
Mass
MS-NW-8875
4,4'-diamino-2,2'-stilbenedisulfonic acid
C14H14N2O6S2 (Mass of molecular ion: 370)
Source Temperature: 260 °C
Sample Temperature: 330 °C
Direct, 75 eV
27.0 1.8
28.0 13.3
29.0 1.1
32.0 5.2
33.0 1.5
34.0 4.7
38.0 1.8
39.0 7.0
40.0 2.0
41.0 3.2
42.0 1.3
43.0 1.6
44.0 24.5
46.5 1.3
48.0 40.1
50.0 2.7
51.0 2.4
52.0 2.4
53.0 1.7
54.0 1.8
60.0 1.0
62.0 1.2
63.0 3.0
64.0 100.0
65.0 14.4
66.0 18.5
67.0 2.2
76.0 1.0
77.0 2.4
78.0 1.5
79.0 1.1
80.0 3.5
81.0 1.7
89.0 1.2
90.0 1.7
91.0 2.7
92.0 8.7
93.0 33.8
94.0 2.5
104.0 2.1
105.0 3.0
106.0 5.0
107.0 2.7
109.0 2.5
117.0 1.9
118.0 1.1
125.0 1.5
165.0 2.3
167.0 1.3
173.0 7.9
180.0 2.0
191.0 1.0
192.0 2.0
193.0 2.8
194.0 2.0
195.0 3.8
208.0 3.4
209.0 4.1
210.0 18.3
211.0 3.1
224.0 1.3
240.0 1.8
254.0 1.1