100 chemical compounds old and new names

Here are 100 chemical compounds with their old and new names:

1. Old name: Prussic acid, New name: Hydrogen cyanide (HCN)
2. Old name: Scheele's green, New name: Copper(II) oxide-copper(II) hydroxide (CuO-Cu(OH)2)
3. Old name: Glauber's salt, New name: Sodium sulfate (Na2SO4)
4. Old name: Borax, New name: Sodium tetraborate (Na2B4O7)
5. Old name: Epsom salt, New name: Magnesium sulfate (MgSO4)
6. Old name: Cream of tartar, New name: Potassium bitartrate (KC4H5O6)
7. Old name: Alum, New name: Aluminum sulfate (Al2(SO4)3)
8. Old name: Vermilion, New name: Mercury sulfide (HgS)
9. Old name: Scheele's salt, New name: Potassium nitrate (KNO3)
10. Old name: Bichloride of mercury, New name: Mercury(II) chloride (HgCl2)
11. Old name: Nitrobenzene, New name: 1-Nitrobenzene (C6H5NO2)
12. Old name: Aniline, New name: Phenylamine (C6H5NH2)
13. Old name: Phenol, New name: Carbolic acid (C6H5OH)
14. Old name: Tannic acid, New name: Gallic acid (C7H6O5)
15. Old name: Urea, New name: Carbamide (CO(NH2)2)
16. Old name: Ammonium carbonate, New name: Ammonium hydrogen carbonate (NH4HCO3)
17. Old name: Potassium nitrite, New name: Nitrous acid (HNO2)
18. Old name: Sodium nitrate, New name: Chile saltpeter (NaNO3)
19. Old name: Calcium carbonate, New name: Limestone (CaCO3)
20. Old name: Magnesium carbonate, New name: Magnesite (MgCO3)
21. Old name: Copper sulfate, New name: Blue vitriol (CuSO4)
22. Old name: Zinc oxide, New name: Zinc white (ZnO)
23. Old name: Aluminum oxide, New name: Alumina (Al2O3)
24. Old name: Silicon dioxide, New name: Silica (SiO2)
25. Old name: Calcium phosphate, New name: Bone ash (Ca3(PO4)2)
26. Old name: Magnesium phosphate, New name: Magnesium trisilicate (Mg3(PO4)2)
27. Old name: Sodium phosphate, New name: Trisodium phosphate (Na3PO4)
28. Old name: Potassium phosphate, New name: Tripotassium phosphate (K3PO4)
29. Old name: Calcium hydroxide, New name: Slaked lime (Ca(OH)2)
30. Old name: Magnesium hydroxide, New name: Milk of magnesia (Mg(OH)2)
31. Old name: Sodium hydroxide, New name: Caustic soda (NaOH)
32. Old name: Potassium hydroxide, New name: Caustic potash (KOH)
33. Old name: Ammonium hydroxide, New name: Aqua ammonia (NH4OH)
34. Old name: Sodium nitrite, New name: Nitrous acid (HNO2)
35. Old name: Potassium nitrate, New name: Saltpeter (KNO3)
36. Old name: Calcium nitrate, New name: Calcium nitrate (Ca(NO3)2)
37. Old name: Magnesium nitrate, New name: Magnesium nitrate (Mg(NO3)2)
38. Old name: Sodium nitrate, New name: Chile saltpeter (NaNO3)
39. Old name: Potassium sulfate, New name: Alum (K2SO4)
40. Old name: Calcium sulfate, New name: Gypsum (CaSO4)
41. Old name: Magnesium sulfate, New name: Epsom salt (MgSO4)
42. Old name: Sodium sulfate, New name: Glauber's salt (Na2SO4)
43. Old name: Potassium chloride, New name: Muriate of potash (KCl)
44. Old name: Calcium chloride, New name: Calcium chloride (CaCl2)
45. Old name: Magnesium chloride, New name: Magnesium chloride (MgCl2)
46. Old name: Sodium chloride, New name: Common salt (NaCl)
47. Old name: Potassium bromide, New name: Potassium bromide (KBr)
48. Old name: Calcium bromide, New name: Calcium bromide (CaBr2)
49. Old name: Magnesium bromide, New name: Magnesium bromide (MgBr2)
50. Old name: Sodium bromide, New name: Sodium bromide (NaBr)
51. Old name: Potassium iodide, New name: Potassium iodide (KI)
52. Old name: Calcium iodide, New name: Calcium iodide (CaI2)
53. Old name: Magnesium iodide, New name: Magnesium iodide (MgI2)
54. Old name: Sodium iodide, New name: Sodium iodide (NaI)
55. Old name: Potassium carbonate, New name: Potash (K2CO3)
56. Old name: Calcium carbonate, New name: Limestone (CaCO3)
57. Old name: Magnesium carbonate, New name: Magnesite (MgCO3)
58. Old name: Sodium carbonate, New name: Washing soda (Na2CO3)
59. Old name: Potassium chromate, New name: Potassium chromate (K2CrO4)
60. Old name: Calcium chromate, New name: Calcium chromate (CaCrO4)
61. Old name: Magnesium chromate, New name: Magnesium chromate (MgCrO4)
62. Old name: Sodium chromate, New name: Sodium chromate (Na2CrO4)
63. Old name: Potassium dichromate, New name: Potassium dichromate (K2Cr2O7)
64. Old name: Calcium dichromate, New name: Calcium dichromate (CaCr2O7)
65. Old name: Magnesium dichromate, New name: Magnesium dichromate (MgCr2O7)
66. Old name: Sodium dichromate, New name: Sodium dichromate (Na2Cr2O7)
67. Old name: Potassium permanganate, New name: Potassium permanganate (KMnO4)
68. Old name: Calcium permanganate, New name: Calcium permanganate (Ca(MnO4)2)
69. Old name: Magnesium permanganate, New name: Magnesium permanganate (Mg(MnO4)2)
70. Old name: Sodium permanganate, New name: Sodium permanganate (NaMnO4)
71. Old name: Potassium nitrate, New name: Saltpeter (KNO3)
72. Old name: Calcium nitrate, New name: Calcium nitrate (Ca(NO3)2)
73. Old name: Magnesium nitrate, New name: Magnesium nitrate (Mg(NO3)2)
74. Old name: Sodium nitrate, New name: Chile saltpeter (NaNO3)
75. Old name: Potassium sulfate, New name: Alum (K2SO4)
76. Old name: Calcium sulfate, New name: Gypsum (CaSO4)
77. Old name: Magnesium sulfate, New name: Epsom salt (MgSO4)
78. Old name: Sodium sulfate, New name: Glauber's salt (Na2SO4)
79. Old name: Potassium chloride, New name: Muriate of potash (KCl)
80. Old name: Calcium chloride, New name: Calcium chloride (CaCl2)
81. Old name: Magnesium chloride, New name: Magnesium chloride (MgCl2)
82. Old name: Sodium chloride, New name: Common salt (NaCl)
83. Old name: Potassium bromide, New name: Potassium bromide (KBr)
84. Old name: Calcium bromide, New name: Calcium bromide (CaBr2)
85. Old name: Magnesium bromide, New name: Magnesium bromide (MgBr2)
86. Old name: Sodium bromide, New name: Sodium bromide (NaBr)
87. Old name: Potassium iodide, New name: Potassium iodide (KI)
88. Old name: Calcium iodide, New name: Calcium iodide (CaI2)
89. Old name: Magnesium iodide, New name: Magnesium iodide (MgI2)
90. Old name: Sodium iodide, New name: Sodium iodide (NaI)
91. Old name: Potassium carbonate, New name: Potash (K2CO3)
92. Old name: Calcium carbonate, New name: Limestone (CaCO3)
93. Old name: Magnesium carbonate, New name: Magnesite (MgCO3)
94. Old name: Sodium carbonate, New name: Washing soda (Na2CO3)
95. Old name: Potassium chromate, New name: Potassium chromate (K2CrO4)
96. Old name: Calcium chromate, New name: Calcium chromate (CaCrO4)
97. Old name: Magnesium chromate, New name: Magnesium chromate (MgCrO4)
98. Old name: Sodium chromate, New name: Sodium chromate (Na2CrO4)
99. Old name: Potassium dichromate, New name: Potassium dichromate (K2Cr2O7)
100. Old name: Calcium dichromate, New name: Calcium dichromate (CaCr2O7)

Note: Some of these names may still be used in certain contexts or industries, but the new names are generally more widely accepted and used in scientific and technical communities.