4-fluoro-3-nitrobenzoic acid (CAS # 453-71-4)
| Awọn koodu ewu | R22 – Ipalara ti o ba gbe R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara. |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 - Wọ aṣọ aabo to dara. S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju. |
| WGK Germany | 2 |
| HS koodu | 29163990 |
| Kíláàsì ewu | IKANU |
Ọrọ Iṣaaju
3-nitro-4-fluorobenzoic acid jẹ ẹya Organic yellow. Atẹle jẹ ifihan si awọn ohun-ini rẹ, awọn lilo, awọn ọna iṣelọpọ, ati alaye ailewu:
Didara:
- Irisi: White kirisita ri to.
- Solubility: insoluble ninu omi, die-die tiotuka ni alcohols ati ethers.
Lo:
- 3-Nitro-4-fluorobenzoic acid jẹ lilo akọkọ bi agbedemeji ni awọn aati iṣelọpọ Organic.
Ọna:
- 3-nitro-4-fluorobenzoic acid ni a le gba nipasẹ ipadasẹhin ti p-nitrotoluene. Awọn igbesẹ kan pato ni lati rọpo fluorine akọkọ ti nitrotoluene labẹ awọn ipo ekikan lati gba 3-nitro-4-fluorotoluene, ati lẹhinna iṣesi oxidation siwaju lati gba 3-nitro-4-fluorobenzoic acid.
Alaye Abo:
- 3-nitro-4-fluorobenzoic acid le jẹ majele si eniyan, o jẹ irritating si oju ati awọ ara.
- Nigbati o ba nlo, yago fun olubasọrọ taara pẹlu awọ ara ati oju, ati lo awọn ibọwọ aabo ati awọn goggles ti o ba jẹ dandan.
- Lakoko ipamọ, o yẹ ki o wa ni ipamọ ni dudu, gbẹ, ati ibi tutu, kuro lati ina ati awọn oxidants.
- Nigbati o ba n sọ egbin nu, jọwọ tẹle awọn ilana aabo ti o yẹ lati ṣe idiwọ idoti ayika.
