4-Bromo-2-nitrobenzoic acid (CAS# 99277-71-1)
| Awọn koodu ewu | R22 – Ipalara ti o ba gbe R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara. R43 – Le fa ifamọ nipa ara olubasọrọ R50 – Oloro pupọ si awọn oganisimu omi |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 / 37 - Wọ aṣọ aabo ati awọn ibọwọ to dara. S61 – Yago fun itusilẹ si ayika. Tọkasi awọn ilana pataki / awọn iwe data aabo. |
| UN ID | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| HS koodu | 29163990 |
| Kíláàsì ewu | IKANU |
| Iṣakojọpọ Ẹgbẹ | III |
Ọrọ Iṣaaju
4-Bromo-2-nitrobenzoic acid jẹ ẹya Organic yellow, igba abbreviated bi BNBA. Atẹle jẹ ifihan si awọn ohun-ini rẹ, awọn lilo, awọn ọna iṣelọpọ ati alaye ailewu:
Didara:
- Ifarahan: 4-Bromo-2-nitrobenzoic acid jẹ okuta funfun ti o lagbara.
- Solubility: O le jẹ tiotuka daradara ni awọn olomi-ara ti o wọpọ gẹgẹbi ethanol, chloroform ati dimethylformamide.
Lo:
- Aaye pigment: Apọpọ yii le ṣee lo lati mura diẹ ninu awọn pigments pataki.
Ọna:
- Igbaradi ti 4-bromo-2-nitrobenzoic acid ni a maa n gba nipasẹ didaṣe 2-nitrobenzoic acid ati bromine labẹ awọn ipo ekikan. Fun ọna igbaradi kan pato, jọwọ tọka si awọn iwe ti iṣelọpọ Organic ti o yẹ.
Alaye Abo:
- Apapo naa ni ibinu kan, ati awọn igbese aabo gẹgẹbi wọ awọn ibọwọ, awọn goggles, ati bẹbẹ lọ, yẹ ki o mu lakoko iṣẹ.
- Jeki kuro lati awọn ina ṣiṣi ati awọn nkan iwọn otutu giga, ki o tọju ni itura, aaye gbigbẹ.
- Awọn data majele ti ko to, majele ti 4-bromo-2-nitrobenzoic acid ko mọ, ati pe o yẹ ki o ṣọra nigba lilo tabi mimu rẹ, ati pe awọn iṣe iṣẹ ṣiṣe ailewu yẹ ki o tẹle.
