2 4-Difluorobenzaldehyde (CAS# 1550-35-2)
Ewu ati Aabo
| Awọn aami ewu | Xi - Irritant |
| Awọn koodu ewu | R10 - flammable 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. S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju S16 – Jeki kuro lati awọn orisun ti iginisonu. S36 / 37 - Wọ aṣọ aabo ati awọn ibọwọ to dara. |
| UN ID | UN 1989 3/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F koodu | 10-23 |
| HS koodu | 29130000 |
| Akọsilẹ ewu | Irritant |
| Kíláàsì ewu | 3 |
| Iṣakojọpọ Ẹgbẹ | III |
Ọrọ Iṣaaju
2,4-Difluorobenzaldehyde jẹ ẹya Organic yellow. Atẹle jẹ ifihan si awọn ohun-ini rẹ, awọn lilo, awọn ọna iṣelọpọ ati alaye ailewu:
Didara:
- Irisi: Alailẹgbẹ tabi omi alawọ ofeefee.
- Solubility: tiotuka ninu awọn nkan ti ara ẹni gẹgẹbi awọn ọti-lile, awọn ethers ati awọn hydrocarbons chlorinated.
Lo:
- 2,4-Difluorobenzaldehyde ni igbagbogbo lo bi agbedemeji ni iṣelọpọ ti awọn agbo ogun Organic miiran.
- Awọn ohun elo pataki ni iṣelọpọ ti awọn fọtosensitizers kan.
Ọna:
2,4-difluorobenzaldehyde ti pese sile nipasẹ awọn ọna wọnyi:
O le gba nipa didaṣe benzaldehyde pẹlu hydrogen fluoride, nigbagbogbo ni 40-50°C.
- O tun le pese sile nipa fesi pẹlu chlorobenzaldehyde pẹlu hydrogen fluoride tabi fluorosilanes.
Alaye Abo:
- 2,4-Difluorobenzaldehyde le jẹ irritating si awọ ara, oju, ati eto atẹgun. Awọn ohun elo aabo ti o yẹ gẹgẹbi awọn ibọwọ, awọn goggles, ati aabo atẹgun yẹ ki o wọ nigba lilo tabi mimu.
- O yẹ ki o wa ni ipamọ kuro ninu ina ati awọn iwọn otutu ti o ga, ni itura, gbigbẹ, aaye ti o dara daradara, ati lọtọ lati awọn oxidants ati awọn ohun elo ipilẹ to lagbara.
- Ṣe akiyesi ati tẹle awọn ilana ṣiṣe aabo ti o yẹ ni awọn alaye ṣaaju lilo.
