3,5-Dimethyl-4-nitrobenzoic acid(CAS#3095-38-3)
| Awọn koodu ewu | 36/37/38 - 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. |
Ọrọ Iṣaaju
4-Nitro-3,5-dimethylbenzoic acid jẹ ẹya Organic yellow. Atẹle jẹ ifihan si awọn ohun-ini rẹ, awọn lilo, awọn ọna iṣelọpọ ati alaye ailewu:
Didara:
- 4-Nitro-3,5-dimethylbenzoic acid jẹ kirisita ti ko ni awọ pẹlu adun oorun aladun.
- O jẹ iduroṣinṣin ni iwọn otutu yara, ṣugbọn awọn bugbamu le waye ni awọn iwọn otutu giga, ni ina, tabi nigba ti o farahan si awọn orisun ina.
- O fẹrẹ jẹ aifọkanbalẹ ninu omi, ṣugbọn tiotuka ninu awọn nkanmimu Organic gẹgẹbi ethanol, ethers, ati awọn hydrocarbons chlorinated.
Lo:
- 4-nitro-3,5-dimethylbenzoic acid jẹ lilo akọkọ bi agbedemeji ti awọn awọ ati ohun elo aise fun iṣelọpọ ti awọn awọ.
Ọna:
- 4-Nitro-3,5-dimethylbenzoic acid le ṣee gba nipasẹ nitrification ti p-toluene. Awọn aati nitrification ni gbogbogbo lo idapọ ti acid nitric ati sulfuric acid gẹgẹbi oluranlowo nitrifying.
- Ọna igbaradi pato jẹ gbogbogbo: toluene ti wa ni idapọ pẹlu acid nitric ati sulfuric acid, kikan fun iṣesi, lẹhinna crystallized ati mimọ.
Alaye Abo:
- 4-Nitro-3,5-dimethylbenzoic acid jẹ irritating ati ibajẹ ati pe o yẹ ki o yee ni olubasọrọ pẹlu awọ ara ati oju.
- Nigbati o ba n mu agbo-ara yii mu, wọ awọn ibọwọ aabo, awọn atẹgun, ati awọn gilaasi aabo lati yago fun awọn gaasi mimu tabi wiwa sinu olubasọrọ pẹlu awọ ara.
- Nigbati o ba tọju ati mimu, yago fun olubasọrọ pẹlu awọn oxidants, awọn orisun ina ati awọn ohun elo ina lati yago fun ina tabi bugbamu.
- Ni ọran ti jijẹ lairotẹlẹ tabi ifasimu, wa akiyesi iṣoogun lẹsẹkẹsẹ ki o ṣafihan iwe data ailewu ọja si dokita rẹ.
