2-5-Dimethylfuran (CAS#625-86-5)
| Awọn koodu ewu | R11 - Gíga flammable R22 – Ipalara ti o ba gbe R2017/11/22 - |
| Apejuwe Abo | 16 – Jeki kuro lati awọn orisun ti iginisonu. |
| UN ID | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| RTECS | LU0875000 |
| FLUKA BRAND F koodu | 8 |
| TSCA | Bẹẹni |
| HS koodu | 29321900 |
| Akọsilẹ ewu | Ipalara / flammable |
| Kíláàsì ewu | 3 |
| Iṣakojọpọ Ẹgbẹ | II |
Ọrọ Iṣaaju
2,5-Dimethylfuran jẹ ẹya Organic yellow. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti 2,5-dimethylfuran:
Didara:
- Irisi: 2,5-Dimethylfuran jẹ omi ti ko ni awọ pẹlu õrùn ti o yatọ.
- Solubility: tiotuka ni awọn nkan ti o nfo Organic gẹgẹbi ethanol ati ether, insoluble ninu omi.
- Iduroṣinṣin: O jẹ iduroṣinṣin ni iwọn otutu yara, ṣugbọn o nilo lati ni aabo lati ina ati edidi.
Lo:
- 2,5-dimethylfuran ni a maa n lo bi epo ni ile-iṣẹ kemikali, paapaa fun tituka awọn agbo ogun polima, gẹgẹbi awọn polima, resins, ati bẹbẹ lọ.
Ọna:
- 2,5-Dimethylfuran ni a le pese sile nipasẹ iṣesi ti furan pẹlu ethylene. Ni akọkọ, ifasilẹ afikun ti furan ati ethylene labẹ iṣe ti ayase acid ni a gbe jade, ati lẹhinna a ṣe idasi iṣeto alkali-catalyzed lati ṣe ina 2,5-dimethylfuran.
Alaye Abo:
- 2,5-Dimethylfuran jẹ irritating ati narcotic, ati pe o le ni ipa irritating lori awọ ara, oju, ati eto atẹgun.
- Awọn iṣọra yẹ ki o ṣe fun ifihan, gẹgẹbi wọ awọn ibọwọ aabo ti o yẹ, awọn gilaasi, ati awọn iboju iparada.
- Yago fun olubasọrọ pẹlu ina, san ifojusi si fentilesonu nigbati o fipamọ, ki o si yago fun awọn oxidants.
- Nigba lilo tabi mimu 2,5-dimethylfuran, tẹle awọn ilana aabo ti o yẹ ki o yago fun ifasimu, ingestion, tabi olubasọrọ.
