3 5-difluorobenzonitrile (CAS# 64248-63-1)
| Awọn koodu ewu | R20 / 21/22 - ipalara nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati 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. S36 - Wọ aṣọ aabo to dara. S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju. S36 / 37 - Wọ aṣọ aabo ati awọn ibọwọ to dara. |
| UN ID | 3276 |
| WGK Germany | 3 |
| HS koodu | 29269090 |
| Akọsilẹ ewu | Ipalara / Irritant |
| Kíláàsì ewu | 6.1 |
| Iṣakojọpọ Ẹgbẹ | III |
Ọrọ Iṣaaju
3,5-Difluorobenzonitrile jẹ ẹya Organic yellow. Atẹle jẹ ifihan si diẹ ninu awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti 3,5-difluorobenzonitrile:
Didara:
- Irisi: 3,5-Difluorobenzonitrile jẹ awọ ti ko ni awọ si omi alawọ ofeefee.
- Solubility: Soluble ni ọpọlọpọ awọn olomi Organic gẹgẹbi ethanol, ether, ati chloroform.
Lo:
- 3,5-Difluorobenzonitrile jẹ lilo akọkọ bi agbedemeji ni iṣelọpọ Organic.
- O tun le ṣee lo bi kemikali ti o pọju ni ile-iṣẹ itanna fun iṣelọpọ awọn awọ ati awọn ohun elo sintetiki.
Ọna:
- Ọna igbaradi akọkọ ti 3,5-difluorobenzonitrile ni a gba nipasẹ iṣesi ti 3,5-difluorophenyl bromide ati cyanide bàbà labẹ awọn ipo to dara.
Alaye Abo:
- 3,5-Difluorobenzonitrile jẹ irritating ati ibajẹ, ati awọn ọna aabo ti o yẹ gẹgẹbi wọ awọn ibọwọ aabo ati awọn oju iboju yẹ ki o mu nigba lilo.
- Yago fun olubasọrọ taara pẹlu awọ ara ati ifasimu ti awọn vapours rẹ, ati ṣiṣẹ ni agbegbe ti o ni afẹfẹ daradara.
- Nigbati mimu ati titoju 3,5-difluorobenzonitrile, itọju yẹ ki o wa ni ya lati yago fun olubasọrọ pẹlu oxidants, lagbara alkalis ati awọn miiran oludoti lati se awọn iṣẹlẹ ti lewu aati.
- Tọkasi awọn iwe aabo ti o yẹ ati awọn itọnisọna mimu nigba lilo tabi mimu agbo-ara yii, ati tẹle awọn ilana ti o yẹ.
