{"id":3528,"date":"2021-02-05T13:18:22","date_gmt":"2021-02-05T13:18:22","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&p=3528"},"modified":"2025-12-23T07:01:51","modified_gmt":"2025-12-23T07:01:51","slug":"cyclopentanone-cas-120-92-3","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/nl\/product\/cyclopentanone-cas-120-92-3\/","title":{"rendered":"Cyclopentanon CAS 120-92-3"},"content":{"rendered":"

Cyclopentanon CAS 120-92-3<\/strong><\/h1>\n

Dichtheid: 0,951 g\/cm<\/h4>\n

Smeltpunt: - 51 C<\/h4>\n

Kookpunt: 130-131 C<\/h4>\n

Brekingsindex: 1.436-1.438<\/h4>\n

Vlampunt: 31 C<\/h4>\n

Oplosbaarheid in water: onoplosbaar in water.<\/h4>\n

 <\/p>\n

COA van cyclopentanon<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n
\n

Item<\/h4>\n<\/td>\n

\n

Standaard<\/h4>\n<\/td>\n<\/tr>\n

\n

Uiterlijk<\/h4>\n<\/td>\n

\n

Transparante vloeistof<\/h4>\n<\/td>\n<\/tr>\n

\n

Kleur (Hazen nr.)<\/h4>\n<\/td>\n

\n

\u226610<\/h4>\n<\/td>\n<\/tr>\n

\n

Zuiverheid (GC )<\/h4>\n<\/td>\n

\n

\u226799,5%<\/h4>\n<\/td>\n<\/tr>\n

\n

Zuurgetal (mgKOH\/g)<\/h4>\n<\/td>\n

\n

\u22660,5%<\/h4>\n<\/td>\n<\/tr>\n

\n

Totaal onzuiverheden<\/h4>\n<\/td>\n

\n

\u22660,5%<\/h4>\n<\/td>\n<\/tr>\n

\n

Watergehalte<\/h4>\n<\/td>\n

\n

\u22660,5%<\/h4>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Cyclopentanon Gebruik<\/strong><\/h2>\n

1. Met behulp van cyclopentanon en n-valeraldehyde als grondstoffen, ondergaan eerst aldolcondensatie en vervolgens dehydratie om pentylcyclopentanon te produceren, gevolgd door selectieve katalytische hydrogenering om pentylcyclopentanon te produceren, dat sterk Het heeft een bloemige en fruitige geur, en heeft een jasmijngeur. Het kan worden gebruikt in dagelijkse chemische geurformules. De dosering kan lager zijn dan 20%. IFRA heeft geen beperkingen.<\/h4>\n

2. Met n-hexanal en cyclopentanon als grondstoffen, eerst condenseren en dan selectief hydrogeneren om hexylcyclopentanon te verkrijgen. Hexylcyclopentanon heeft een sterke jasmijngeur en fruitige geur, die kan worden gebruikt in parfumgeuren. En in verschillende andere dagelijkse chemische smaakformules is de dosering 5%. IFRA heeft geen beperkingen.<\/h4>\n

3. Het 1-penteen of 1-heptene verkregen door pyrolyse van paraffine of de dehydratie van de overeenkomstige alcohol wordt gebruikt als grondstof, en in aanwezigheid van di-tert-butylperoxide als initiator ondergaat het een radicale additiereactie met cyclopentanon om 2 -Pentylcyclopentanon (of 2-heptylcyclopentanon) te vormen, dat \u03b4-decanolacton (of \u03b4-laurolacton) wordt na ringuitbreiding door oxidatie.<\/h4>\n

4. De syntheseroute met cyclopentanon als uitgangsmateriaal heeft de meeste industri\u00eble productiewaarde. Cyclopentanon ondergaat eerst aldolcondensatie met n-valeraldehyde, het condensatieproduct wordt 2-pentylcyclopentanon na dehydratie en selectieve hydrogenering, en wordt ten slotte \u03b4-decanolacton na oxidatieve ringuitbreiding.<\/h4>\n

5. Delta-decanolacton wordt voornamelijk gebruikt in formules voor eetbare smaken. Het wordt geacht de karakteristieke smaak van natuurlijke room te hebben. Tot dan toe hebben parfumeurs zich lange tijd beperkt tot het gebruik van monomere geurstoffen zoals diacetyl en vanilline als belangrijkste grondstof voor het formuleren van roomaroma's. De mensen vinden echter over het algemeen dat de bereide roomaroma's veel minder natuurlijk zijn dan de natuurlijke aroma's. Over het algemeen vindt men echter dat de bereide roomsmaak qua smaak of aroma ver onderdoet voor natuurlijke producten. Alleen wanneer \u03b4-decanolacton wordt gebruikt, kan het een levendige roomsmaak hebben, vooral wanneer \u03b4-decanolacton en \u03b4-laurolacton samen als belangrijkste geurgrondstoffen worden gebruikt, zullen de smaak en het effect van de geformuleerde roomsmaak beter zijn.<\/h4>\n

6. Neem cyclopentanon en valeraldehyde als grondstoffen, condenseer om 2-(1-hydroxy)pentylcyclopentanon te produceren, reageer met dimethylmalonaat, en hydrolyseer, decarboxyleer en verestering bij 160-180\u2103, en verkrijg dihydrojasmonaatmethylester. Methyldihydrojasmonaat is een specerij die tijdelijk gebruikt mag worden volgens GB2760-1996 van mijn land. Het aroma is beter dan dat van natuurlijk methyljasmonaat en de eigenschappen zijn relatief stabiel.<\/h4>\n

<\/h4>\n

Cyclopentanon Verpakking en verzending<\/strong><\/h2>\n

Verpakking: 200 kg\/trommel<\/h4>\n

Levering: levering binnen 3-5 werkdagen<\/h4>\n

 <\/p>\n

Opslag van cyclopentanon<\/strong><\/h2>\n

Licht en drogen vermijden.<\/h4>\n

 <\/p>\n

Neem nu contact met ons op!<\/b><\/strong><\/h2>\n

Als je een COA, MSDS of TDS nodig hebt, vul dan je contactgegevens in op het formulier hieronder. We nemen meestal binnen 24 uur contact met je op. U kunt mij ook een e-mail sturen info@longchangchemical.com<\/a><\/span> tijdens kantooruren (8:30 tot 18:00 UTC+8 ma. ~ za.) of gebruik de live chat op de website voor een snel antwoord.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"

Chemische naam: Cyclopentanon<\/h4>\n

CAS-nr.:120-92-3<\/h4>\n

Moleculaire formule: C5H8O<\/h4>\n

Molecuulgewicht: 84,12<\/h4>\n

Uiterlijk: Transparante vloeistof<\/h4>\n

Analyse: 99,5%<\/h4>\n

Moleculaire structuur:\"afbeelding.png\"<\/h4>","protected":false},"featured_media":4330,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[69],"product_tag":[],"class_list":{"0":"post-3528","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-catalysts-chemical-auxiliary-agents","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"\nChina Cyclopentanone Manufacturer \uff06 CAS 120-92-3 Supplier - Longchang chemical Co., Ltd.<\/title>\n<meta name=\"description\" content=\"Longchang Chemical is a leading manufacturer and supplier of Cyclopentanone in China. Buy Cyclopentanone in china. 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