Cyclopentanone CAS 120-92-3
Cyclopentanone tun mọ bi Adipic Ketono. Olomi olomi ti ko ni awọ sihin. Nini etheric pato, õrùn minty die-die.
| Ohun elo idanwo | Standard iye | Idiwon iye |
| Ifarahan | Omi ti ko ni awọ | Omi ti ko ni awọ |
| Chroma | <10 | <10 |
| Akoonu | > 99.5% | 99.75% |
| Akitiyan | <0.5% | 0.11% |
| Ọrinrin | <0.5% | 0.28% |
| Omiiran | <0.5% | 0.25% |
1.From cyclopentanone ati n-valeraldehyde bi awọn ohun elo aise, amyl cyclopentanone ti wa ni akoso nipasẹ aldol condensation ati gbigbẹ, ati lẹhinna ti a yan catalytic hydrogenation ti a ṣe lati ṣe amyl cyclopentanone. Amyl cyclopentanone ni ododo ododo ti o lagbara ati adun eso ati adun jasmine, ati pe o le ṣee lo ni ilana adun kemikali ojoojumọ, iwọn lilo le dinku ju 20%. IFRA ko ni awọn ihamọ.
2. Hexylcyclopentanone ti pese sile lati n-hexylaldehyde ati cyclopentanone nipasẹ condensation ati ki o si yan hydrogenation. Hexylcyclopentanone ni oorun oorun jasmine to lagbara ati pe o tẹle pẹlu oorun eso, ati pe o le ṣee lo ni lofinda ati awọn ilana adun kemikali ojoojumọ miiran pẹlu iwọn lilo laarin 5%. IFRA ko ni awọn ihamọ.
3. 1-pentene tabi 1-heptene ti a gba nipasẹ fifun paraffin tabi gbigbẹ oti ti o baamu gẹgẹbi awọn ohun elo aise, niwaju di-tert-butyl peroxide bi olupilẹṣẹ, ifarabalẹ afikun ẹgbẹ ọfẹ pẹlu cyclopentanone lati dagba 2-amyl cyclopentanone (tabi 2-heptyl cyclopentanone), lẹhin ifoyina lati di delta-decalactone (tabi delta-dodecalactone).
4. Ọna ti iṣelọpọ pẹlu cyclopentanone bi ohun elo ibẹrẹ ni iye iṣelọpọ ile-iṣẹ julọ. Cyclopentanone ti wa ni akọkọ ti di pẹlu n-valeraldehyde, ati awọn Abajade Chemicalbook ti wa ni gbẹ ati ki o yan hydrogenated lati dagba 2-amylcyclopentanone, ati nipari lati dagba delta-decalactone nipa oxidative oruka gbooro.
5.delta-decanolactone jẹ lilo akọkọ ni awọn agbekalẹ adun ounjẹ, nibiti o ti gbagbọ pe o ni adun abuda ti ipara adayeba. Ṣaaju eyi, fun igba pipẹ, awọn turari nikan ni opin si lilo awọn turari monomer gẹgẹbi butanedione ati vanillin gẹgẹbi ohun elo aise akọkọ fun igbaradi ti adun ipara. Sibẹsibẹ, awọn eniyan ni gbogbogbo lero pe adun ipara ti a dapọ kere pupọ ju ọja adayeba lọ ni awọn ofin ti itọwo tabi adun. Nikan lẹhin lilo delta-decalactone, o le jẹ adun otitọ ti ipara, paapaa apapo ti delta-decalactone ati delta-dodecalactone gẹgẹbi awọn ohun elo õrùn akọkọ, adun ati ipa ti adun ipara ti a pese sile dara julọ.
6.lilo cyclopentanone ati valeraldehyde bi awọn ohun elo aise, condensation lati dagba 2- (1-hydroxyl) amyl cyclopentanone, ifasẹpọ pẹlu dimethyl malonate, ati lẹhinna hydrolysis ni 160 ~ 180 ℃, decarboxylated, esterification, dihydrojasmonate methyl ester le wa ni pese sile. Methyl jasmonate dihydrojasmonate jẹ adun jijẹ igba diẹ ti a gba laaye nipasẹ GB2760-1996 ni orilẹ-ede wa. Oorun rẹ dara ju methyl jasmonate adayeba, ati awọn ohun-ini rẹ jẹ iduroṣinṣin.
200kg/ilu 20'FCL le gba 16 toonu
Cyclopentanone CAS 120-92-3
Cyclopentanone CAS 120-92-3
