| Substance name | EC Number | CAS Number | Possible application scope |
| 三氯乙烯Trichloroethylene | 201-167-4 | 79-01-6 | Used as an intermediate in the production of chlorinated and fluorinated organic compounds, as a cleaning agent and detergent for metal parts, and as a solvent in adhesives.
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| 硼酸Boric acid | 233-139-2 234-343-4 | 10043-35-3 11113-50-1 | It has numerous applications, such as flame retardant, preservative, antibacterial agent, cleaning agent, detergent, and adhesive. It is used in industries such as toys, industrial liquids, brake fluid, glass, ceramics, flame retardants, coatings, cosmetics, and food additives.
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| 四硼酸鈉，無水Disodium tetraborate, anhydrous | 215-540-4 | 1303-96-41330-43-412179-04-3 | As a detergent and cleaning agent, it is used in glass and glass fiber, ceramics, and industrial liquids.
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| 四硼酸鈉，水合物Tetraboron disodium heptaoxide, hydrate | 235-541-3 | 12267-73-1 | Metallurgy, adhesives, flame retardants, personal care products, bactericides, fertilizers, etc.
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| 鉻酸鈉Sodium chromate | 231-889-5 | 7775-11-3 | To produce and synthesize other chromium compounds and analytical reagents for experiments.
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| 鉻酸鉀Potassium chromate | 232-140-5 | 7789-00-6 | Metal corrosion inhibitors and metal plating treatments, chemicals and textiles, ceramic colorants, leather tanning and dressings, pigments and inks, and laboratory analytical reagents.
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| 重鉻酸銨Ammonium dichromate | 232-143-1 | 7789-09-5 | It is primarily used as an oxidizing agent; it is also used in the production of photosensitive screens, textile mordants, metal treatments, and laboratory reagents.
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| 重鉻酸鉀Potassium dichromate | 231-906-6 | 7778-50-9 | It produces and synthesizes other chromium compounds, metal corrosion inhibitors and metal plating treatments, textile mordants, laboratory reagents, cleaning glass laboratory instruments, and oxidants for photolithography. |
