PHENOLPHTHALIN(81-90-3) IR2
Molecular FormulaC20H16O4
Molecular Weight320.34
InChIInChI=1S/C20H16O4/c21-15-9-5-13(6-10-15)19(14-7-11-16(22)12-8-14)17-3-1-2-4-18(17)20(23)24/h1-12,19,21-22H,(H,23,24)
InChIKey FFFPYJTVNSSLBQ-UHFFFAOYSA-N
SmilesC(O)(=O)C1=CC=CC=C1C(C1=CC=C(O)C=C1)C1=CC=C(O)C=C1
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![](https://www.chemicalbook.com/Spectrum/81-90-3_MS.gif)
Mass
MS-NW-1711
phenolphthalin
C20H16O4 (Mass of molecular ion: 320)
Source Temperature: 230 °C
Sample Temperature: 210 °C
Direct, 75 eV
18.0 2.9
27.0 2.0
28.0 2.0
39.0 4.7
41.0 1.7
43.0 1.5
44.0 1.2
50.0 1.0
51.0 2.7
53.0 1.0
55.0 4.3
57.0 1.2
63.0 2.3
65.0 4.6
66.0 1.0
75.0 1.5
76.0 2.4
77.0 5.9
88.0 1.0
89.0 1.4
91.0 1.0
93.0 2.2
94.0 2.7
94.5 1.5
95.0 1.1
101.0 2.7
104.0 1.5
105.0 4.6
107.0 1.3
109.0 1.2
113.0 4.4
113.5 1.3
114.0 1.2
115.0 4.8
119.0 1.8
121.0 5.8
122.0 1.3
126.0 1.0
127.0 2.3
127.5 2.2
128.0 3.2
131.0 1.1
133.0 7.2
139.0 2.0
141.0 4.5
142.0 4.4
142.5 1.0
150.0 1.5
151.0 4.6
152.0 9.0
153.0 4.2
165.0 1.7
168.0 1.7
169.0 2.5
170.0 1.0
180.0 2.0
181.0 16.2
182.0 3.1
189.0 2.6
197.0 11.5
198.0 3.4
199.0 15.4
200.0 2.8
201.0 1.0
202.0 2.9
209.0 6.0
210.0 1.5
213.0 1.3
215.0 3.0
218.0 1.1
225.0 15.6
226.0 16.1
227.0 4.3
228.0 1.5
231.0 1.6
244.0 1.6
245.0 1.6
247.0 1.0
255.0 2.8
256.0 1.4
257.0 9.6
258.0 2.2
271.0 1.0
273.0 21.2
274.0 12.2
275.0 3.6
284.0 1.2
285.0 1.8
301.0 3.7
302.0 100.0
303.0 22.4
304.0 3.1
318.0 2.0
319.0 1.5
320.0 16.0
321.0 3.6