Gamma-valerolactone Me Cas 108-29-2

Nama CAS:108-29-2

MF:C5H8O2

MW:100.12

EINECS Nama:203-569-5

kupu taurite:4,5-DIHYDRO-5-METHYL-2(3H)-FURANONE; 4-HYDROXYPENTANOICACIDLACTONE; 4-HYDROXYVALERICACIDG-LACTONE; 4-VALEROLACTONE;

Waiho To Karere

Taipitopito Hua

Tikiake

Tohu Hua

He aha te Gamma-Valerolactone Me Cas 108-29-2?

Ko te γ-Valerolactone he kore tae ki te wai maramara paku kowhai. Ma te kakara o te vanillin me te kokonati, he otaota mahana me te reka. Ko te ira koropuke he 207 °C, ko te ira hiko ko 96.1 °C, ko te tohu whakapatiotanga ko -37 °C. Ko te uara Ph o te anhydrous he 7.0; ko te uara Ph o te 10% wairewa wai maturu he 4.2. Miscible i roto i te wai me te nuinga whakarewa waro, resins, waxes, etc., insoluble in anhydrous glycerin, gum arabic, casein and soybean protein, etc.

Whakatakotoranga

Te ahua	wai taekore
Te kakara	Te kakara o te kokonati me te vanillin, te rongo otaota mahana me te reka
Ihirangi（na GC）	99.97%
Uara waikawa(mgKoH/g)	0.25
Taupū Refactive (）	1.4330
Te taumahatanga (）	1.0516

Taupānga

He mea kakara ka taea te kai. Ka whakamahia te nuinga ki te whakarite pītiti, kokonati, vanilla me etahi atu mea kakara. Ka whakamahia te γ-valerolactone he kaha te tauhohenga, ka taea te whakamahi hei whakarewa kapia me te takawaenga mo nga momo puhui e pa ana. Ka whakamahia ano hei whakahinuhinu, hei whakahiato, hei whakangao i nga katote mo nga surfactants kore-katote, hei taapiri lactone mo te penehīni arataki, hei tae hoki ki te waikano esters cellulose me nga muka waihanga. Ko te Gamma-valerolactone he kakara vanillin me te kokonati. Ko te GB2760-86 o taku whenua e kii ana ka whakaaetia te whakamahi i nga mea kakara. Ka whakamahia te nuinga ki te whakarite pītiti, kokonati, vanilla me etahi atu mea kakara.