3 4-Difluorobenzoic acid (CAS # 455-86-7)
Awọn aami ewu | Xn – ipalara |
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. S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju |
UN ID | UN 2811 |
WGK Germany | 3 |
HS koodu | 29163900 |
Ọrọ Iṣaaju
3,4-Difluorobenzoic acid. Atẹle jẹ ifihan si iseda rẹ, lilo, ọna iṣelọpọ ati alaye ailewu:
Didara:
- 3,4-Difluorobenzoic acid jẹ kristali funfun ti o lagbara pẹlu õrùn gbigbona.
- O ti wa ni ri to ni yara otutu ati ki o le jẹ tiotuka ni Organic olomi bi alcohols, ethers, ati be be lo, ati ki o ni opin solubility ninu omi.
- 3,4-Difluorobenzoic acid jẹ ekikan ati pe o ṣe atunṣe pẹlu alkali lati ṣe iyọ ti o baamu.
Lo:
- 3,4-difluorobenzoic acid jẹ lilo pupọ bi agbedemeji pataki ati ohun elo aise ni iṣelọpọ Organic.
Ọna:
- Ọpọlọpọ awọn ọna igbaradi fun 3,4-difluorobenzoic acid, ọkan ninu eyiti o jẹ lilo nigbagbogbo nipasẹ fluorinating acid fluorinated.
- Ọna igbaradi kan pato pẹlu yiyan ti oluranlowo fluorinating ati iṣakoso ti awọn ipo ifaseyin, awọn aṣoju fluorinating ti o wọpọ jẹ hydrogen fluoride, sulfur polyfluoride, bbl
Alaye Abo:
- 3,4-Difluorobenzoic acid jẹ kemikali ati pe o yẹ ki o tẹle ni ibamu pẹlu awọn ilana aabo ti o yẹ ati awọn ohun elo aabo kemikali ti o yẹ.
- O le ni ipa ibinu lori oju, awọ ara, ati atẹgun atẹgun ati pe o yẹ ki o wẹ ni kiakia lẹhin olubasọrọ.
- Lakoko itọju, olubasọrọ pẹlu awọn oxidants ti o lagbara ati awọn acids ti o lagbara yẹ ki o yee lati yago fun awọn aati ti o lewu.
- 3,4-Difluorobenzoic acid yẹ ki o wa ni ipamọ ni ibi ti o tutu, gbigbẹ, aaye ti o dara daradara, kuro lati ina ati awọn orisun ooru.