Furfural (CAS#98-01-1)
| Zizindikiro Zowopsa | R21 - Zowopsa pokhudzana ndi khungu R23/25 - Poizoni pokoka mpweya komanso ngati kumumeza. R36/37 - Zokhumudwitsa m'maso ndi kupuma. R40 - Umboni wochepa wa zotsatira za carcinogenic R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu. |
| Kufotokozera Zachitetezo | S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala. S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso. S45 - Pakachitika ngozi kapena ngati simukumva bwino, funsani upangiri wachipatala nthawi yomweyo (onetsani chizindikirocho ngati kuli kotheka.) S1/2 - Khalani wotseka komanso kutali ndi ana. S36/37 - Valani zovala zoyenera zodzitchinjiriza ndi magolovesi. |
| Ma ID a UN | UN 1199 6.1/PG 2 |
| WGK Germany | 2 |
| Mtengo wa RTECS | LT7000000 |
| FLUKA BRAND F CODES | 1-8-10 |
| TSCA | Inde |
| HS kodi | 2932 12 00 |
| Zowopsa | Zokwiyitsa |
| Kalasi Yowopsa | 6.1 |
| Packing Group | II |
| Poizoni | LD50 pamlomo makoswe: 127 mg/kg (Jenner) |
Mawu Oyamba
Furfural, yomwe imadziwikanso kuti 2-hydroxyunsaturated ketone kapena 2-hydroxypentanone. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha furfural:
Ubwino:
- Ili ndi maonekedwe opanda mtundu ndipo ili ndi kukoma kwapadera kotsekemera.
- Furfural imakhala ndi kusungunuka kochepa m'madzi, koma imasungunuka mu mowa ndi zosungunulira za ether.
- Furfural imapangidwa ndi okosijeni mosavuta ndipo imawola mosavuta ndi kutentha.
Njira:
- Njira yodziwika bwino yopangira furfural imapezedwa ndi okosijeni wa C6 alkyl ketones (mwachitsanzo, hexanone).
- Mwachitsanzo, hexanone imatha kupangidwa ndi okosijeni pogwiritsa ntchito mpweya ndi zinthu monga potassium permanganate kapena hydrogen peroxide.
- Kuphatikiza apo, asidi acetic amathanso kuchitapo kanthu ndi ma alcohols osiyanasiyana a C3-C5 (monga isoamyl mowa, etc.) kuti apange ester yofananira, kenako ndikuchepetsedwa kuti apeze furfural.
Zambiri Zachitetezo:
- Furfural ili ndi kawopsedwe kakang'ono koma iyenera kugwiritsidwa ntchito ndikusungidwa mosamala.
- Pewani kukhudza khungu ndi maso, ndipo muzimutsuka nthawi yomweyo ndi madzi ambiri ngati zitero.
- Chisamaliro chiyenera kutengedwa kuti musakhudzidwe ndi ma okosijeni amphamvu, magwero oyatsira, ndi zina zambiri posungira ndikugwiritsa ntchito kuteteza moto kapena kuphulika.
- Payenera kukhala malo abwino olowera mpweya wabwino pakagwiritsidwe ntchito kuti asapumedwe ndi nthunzi.
