3-Fluoro-4-nitrobenzoic acid (CAS # 403-21-4)
| Awọn koodu ewu | R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara. R37 / 38 - Irritating si eto atẹgun ati awọ ara. R36 - Irritating si awọn oju R22 – Ipalara ti o ba gbe |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju. S37 - Wọ awọn ibọwọ ti o dara. |
| HS koodu | 29163990 |
| Kíláàsì ewu | IKANU |
Ọrọ Iṣaaju
3-Fluoro-4-nitrobenzoic acid jẹ ẹya eleto pẹlu agbekalẹ kemikali C7H4FNO4. Atẹle ni apejuwe diẹ ninu awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti agbo:
Iseda:
-Irisi: White tabi die-die ofeefee gara, tabi ina ofeefee to yellowish brown lulú.
-yo ojuami: 174-178 iwọn Celsius.
- farabale ojuami: 329 iwọn Celsius.
-Solubility: Soluble ni oti ati Organic epo, gẹgẹ bi awọn ethanol, dimethylformamide ati dichloromethane.
Lo:
- 3-Fluoro-4-nitrobenzoic acid jẹ agbedemeji pataki, ti a lo pupọ ni aaye ti iṣelọpọ Organic.
-It ti wa ni commonly lo ninu oògùn kolaginni ati dai kolaginni.
-Apapọ yii tun le ṣee lo bi ohun elo aise fun awọn awọ, ipakokoropaeku ati awọn ibẹjadi.
Ọna Igbaradi:
Ọna igbaradi ti 3-Fluoro-4-nitrobenzoic acid ni gbogbogbo pẹlu awọn igbesẹ wọnyi:
1. 4-Nitrobenzoic acid ti ṣe atunṣe pẹlu hydrogen fluoride lati gba 3-nitro-4-fluorobenzoic acid.
2. Ọja ti a gba ni igbesẹ ti tẹlẹ ti ṣe atunṣe pẹlu sulfuric acid lati gba 3-Fluoro-4-nitrobenzoic acid.
Alaye Abo:
- 3-Fluoro-4-nitrobenzoic acid le jẹ irritating si oju, awọ ara, ati atẹgun atẹgun. San ifojusi si lilo ohun elo aabo ti ara ẹni lakoko olubasọrọ.
-O yẹ ki o wa ni ipamọ ni dudu, gbẹ ati apo eiyan, kuro lati ina ati awọn aṣoju oxidizing.
-Ni lilo ati mimu, o yẹ ki o tẹle awọn ilana aabo ti o yẹ, ki o si ṣe itọju fentilesonu to dara.
