methyl 2H-1 2 3-triazole-4-carboxylate (CAS# 4967-77-5)
Ọrọ Iṣaaju
Methyl 1,2,3-triazole-4-carboxylic acid jẹ ẹya Organic yellow. Atẹle jẹ ifihan si iseda rẹ, lilo, ọna igbaradi ati alaye aabo:
Didara:
Methyl 1,2,3-triazole-4-carboxylic acid jẹ omi ti ko ni awọ si ina pẹlu õrùn õrùn to lagbara. O jẹ tiotuka ni awọn nkan ti ara ẹni gẹgẹbi ethanol ati dimethylformamide. O jẹ iduroṣinṣin ni iwọn otutu yara, ṣugbọn decomposes ni awọn iwọn otutu giga tabi labẹ ina.
Nlo: O tun le ṣee lo bi olutọsọna idagbasoke ọgbin ati paati awọn ohun elo ti o ni irọrun.
Ọna:
Ọna igbaradi ti o wọpọ fun methyl 1,2,3-triazole-4-carboxylic acid ni a gba nipasẹ fesi pẹlu phenylenediamine ati formic anhydride labẹ awọn ipo ipilẹ. Ilana igbaradi pato jẹ bi atẹle:
1) Ṣafikun phenylenediamine ati anhydride formic si ojutu ipilẹ, nigbagbogbo lilo iṣuu soda hydroxide tabi carbonate sodium bi oluranlowo ipilẹ;
2) Ni iwọn otutu ti o dara, a ṣe ifasilẹ fun awọn wakati pupọ lati jẹ ki awọn reactants fesi ni kikun;
3) Awọn ọja ti wa ni filtered ati mimọ nipasẹ distillation lati gba methyl 1,2,3-triazole-4-carboxylate.
Alaye Abo:
Methyl 1,2,3-triazole-4-carboxylic acid jẹ irritating pupọ ati ibajẹ, ati olubasọrọ pẹlu awọ ara, oju, tabi ifasimu ti awọn eefin rẹ le fa irritation tabi awọn iṣoro ilera miiran. Ohun elo aabo ti ara ẹni ti o yẹ (PPE), pẹlu awọn ibọwọ, awọn oju aabo, ati ohun elo aabo atẹgun, yẹ ki o wọ nigba lilo tabi mu. O yẹ ki o ṣiṣẹ ni agbegbe ti o ni afẹfẹ daradara ati yago fun olubasọrọ pẹlu awọn aṣoju oxidizing ti o lagbara tabi awọn ohun elo ina. Ni ọran ti olubasọrọ lairotẹlẹ, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa itọju ilera ni kiakia.
