4-Hydroxyvalerophenone (CAS # 2589-71-1)
| Awọn aami ewu | Xi - Irritant |
| Awọn koodu ewu | 36/37/38 - Irritating si oju, eto atẹgun ati awọ ara. |
| Apejuwe Abo | S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju. S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. |
| WGK Germany | 3 |
| HS koodu | 29182900 |
Ọrọ Iṣaaju
P-hydroxyvalerone jẹ ẹya Organic yellow. Atẹle jẹ ifihan alaye si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti p-hydroxypenterone:
Didara:
P-hydroxyvalerone jẹ omi ti ko ni awọ pẹlu itọwo oorun aladun alailẹgbẹ. O le ni tituka nipasẹ omi ati ọpọlọpọ awọn olomi Organic gẹgẹbi ethanol ati ether.
Lo:
P-hydroxyvalerone jẹ lilo pupọ ni ile-iṣẹ kemikali. O jẹ epo pataki ati pe a lo nigbagbogbo ni igbaradi ti awọn kikun, inki ati awọn varnishes. P-hydroxypentanone tun le ṣee lo bi ohun elo aise sintetiki fun awọn turari, gẹgẹbi awọn turari ati awọn adun.
Ọna:
Awọn ọna pupọ lo wa lati ṣeto p-hydroxypenterone. Ọkan ninu awọn ọna ti o wọpọ ni lati gba p-hydroxypentanone nipasẹ iṣesi acid-catalyzed ti benzoic acid ati acetone. Ọna miiran ni a gba nipasẹ transesterification ti benzoic acid ati acetone, atẹle nipa hydrolysis acid.
Alaye Abo:
P-hydroxyvalerone jẹ olomi flammable ti awọn vapors le dagba flammable tabi awọn apopọ ibẹjadi pẹlu afẹfẹ. Nigbati o ba n mu ati lilo, awọn igbese idena ina yẹ ki o mu ati olubasọrọ pẹlu awọn ina ṣiṣi ati awọn orisun iwọn otutu yẹ ki o yago fun. P-hydroxyvalerone ni ipa irritating ati ipabajẹ lori awọn oju ati awọ ara, ati olubasọrọ taara yẹ ki o yago fun. Awọn ohun elo aabo ti ara ẹni ti o yẹ gẹgẹbi awọn ibọwọ ati awọn goggles yẹ ki o wọ lakoko lilo.
