| Substance name | EC No. | CAS No. | Common Uses |
1,2,3三氯苯
1,2,3-Trichlorobenzene | 201-757-1 | 87-61-6 | The use of this substance is currently restricted by regulations. As a substance or preparation, it may not be sold in the market at a concentration exceeding 0.1%, unless it is used as an intermediate or a solvent in a closed system. |
1,2,4-三氯苯
1,2,4-Trichlorobenzene | 204-428-0 | 120-82-1 |
1,3,5-三氯苯
1,3,5-Trichlorobenzene | 203-608-6 | 108-70-3 |
硫酸鈷
Cobalt(II) sulphate | 233-334-2 | 10124-43-3 | It is mainly used in the production of other chemicals, including catalysts and desiccants, surface treatments (such as electroplating), corrosion protection, pigment production, decolorization (glass, ceramics), batteries, animal supplements, and soil fertilizers. |
硝酸鈷
Cobalt(II) dinitrate | 233-402-1 | 10141-05-6 | It is primarily used in the manufacture of other chemicals and as a catalyst. Other applications include surface treatment and batteries. |
碳酸鈷
Cobalt(II) carbonate | 208-169-4 | 513-79-1 | Primarily used as a catalyst. Other applications include food additives, pigment production, and adhesives (base coats). |
醋酸鈷
Cobalt(II) diacetate | 200-755-8 | 71-48-7 | It is primarily used as a catalyst. Other applications include surface treatment, alloys, pigment production, rubber adhesives, and food additives. |
乙二醇單甲醚
2-Methoxyethanol | 203-713-7 | 109-86-4 | Primarily used as a solvent, chemical intermediate, and additive in the fuel industry. |
乙二醇單乙醚
2-Ethoxyethanol | 203-804-1 | 110-80-5 | Mainly used as a solvent and chemical intermediate |
三氧化鉻
Chromium trioxide | 215-607-8 | 1333-82-0 | Fixing agent used in metal surface treatment and water-based wood preservatives. |
| 鉻酸及其寡聚體產生的酸類： | 鉻酸
Chromic acid | 231-801-5 | 7738-94-5 | When chromium trioxide dissolves in water, it forms these acids and their oligomers. These substances have the same uses as chromium trioxide. |
重鉻酸
Dichromic acid | 236-881-5 | 13530-68-2 |
| 鉻酸及重鉻酸的寡聚體 | – | – |
