Ethyl 3-Mercaptopropionate (CAS#5466-6-8)

Chemical Property:

沸点: 75-76 °C/10 mmHg(lit.)

密度: 1.059 g/mL pa20 °C(lit.)

折射率: n20/D 1.457(lit.)

闪点: 72°C

形态: Liquid

酸度系数(pKa): 9.72±0.10(Zvakafanotaurwa)

颜色: Yakajeka isina ruvara kune yero, inogona kusviba panguva yekuchengetedza

气味 (Kunhuwa): 0.10% mune propylene glycol. mhuka inonzi foxy fruity mazambiringa skunky

香型: sulfurous

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Ethyl 3-Mercaptopropionate (CAS#5466-6-8) Nhanganyaya

Zvenyama:
Chitarisiko: Kazhinji isina ruvara kusvika kuchiedza yero inoonekera mvura ine kunhuhwirira kwakakosha.
Boiling Point: Kazhinji pa 190 - 192 ° C (pakumanikidzwa kwemhepo yemhepo), nzvimbo yekubikira inogona kusiyana zvishoma zvichienderana nemamiriro ekuedzwa uye kuchena.
Density: Kuwanda kwehukama kunosvika 1.07 (mvura = 1), zvinoreva kuti inorema zvishoma pane mvura uye panguva yekuchengetedza uye kushandiswa, inenge iri muzasi kana yakasanganiswa nemvura.
Solubility: inonyungudika zvishoma mumvura, asi inosanganiswa neakawanda organic solvents senge ethanol, ether, acetone, nezvimwewo, izvo zvinoita kuti zvibatanidzwe zvakanyanya mukuita kweakasiyana masisitimu ekunyungudutsa mune organic synthesis reactions.
Chemical properties:
Inoshanda boka reactivity: Iro sulfhydryl boka (-SH) mumorekuru rine simba reactivity uye ndiyo nzvimbo inoshanda yemakemikari akawanda ekuita. Inogona kupinda condensation reaction ne carbonyl compounds se aldehydes uye ketones kuti iite thioether compounds; Inogona zvakare kupindira maitikiro nehalogenated hydrocarbons kugadzira nyowani kabhoni-sarufa zvisungo, izvo zvinogona kushandiswa kugadzira yakaoma organic mamorekuru zvimiro.
Kugadzikana: Inogadzikana pakudziya kwekamuri uye kumanikidzwa, asi pasi pemamiriro echiedza, tembiricha yakakwira kana kuvepo kwemaoxidants akasimba, mapoka e sulfhydryl anogona kuve oxidized, zvichikonzera shanduko mumakemikari emukomboni, saka vanofanirwa kuchengetwa uye kushandiswa pasi pemamiriro akakodzera, uye inowanzokurudzirwa kuchengeta munzvimbo inotonhorera, ine mhepo uye ine rima, uye kudzivirira kusangana neane oxidants akasimba.
Synthesis Method:
Inowanzo gadzirirwa ne esterification ye 3-mercaptopropionic acid ine ethanol muhupo hwehutu hunokonzera acid yakadai seconcentrated sulfuric acid. Munguva yekupindura, kutanga kwezvose, boka re carboxyl neboka re hydroxyl ethanol rinopinda nucleophilic substitution reaction pasi pemamiriro e acidic kuti iite ester bonds, uye panguva imwechete mvura inogadzirwa. Pakupera kwekuita, chigadzirwa chinoda kucheneswa kuburikidza neakatevedzana emashure-ekugadzirisa matanho akadai se neutralization, kugeza mvura, uye distillation kuti uwane yakakwirira-kuchena Ethyl 3-Mercaptopropionate.
Shandisa:
Munda wekunhuhwirira: Une munhuwi wakasarudzika uye unoshandiswa sepakati pezvinonhuhwirira muindasitiri yekunhuhwirira, izvo zvinogona kuwedzera kunhuhwirira kwakakosha uye kuisa kune zvakasanganiswa zvinonaka, uye zvinowanzo shandiswa kusanganisa zvinonaka semichero nenyama kusangana nezvinodiwa. zvechikafu, zvekuzora uye mamwe maindasitiri ezvinonhuhwirira zvakasiyana-siyana.
Pharmaceutical field: Inogona kushandiswa seyakagadzirwa kana yepakati mukugadzirwa kwezvinodhaka kugadzira mamolecular zvimiro zvine chaiwo biological zviitiko. Semuyenzaniso, mukuumbwa kweimwe mishonga ine sarufa, mapoka avo e sulfhydryl anogona kuunzwa mumorekuru wakanangwa kuburikidza nekuita kwemakemikari, nekudaro achipa zviitiko zvemishonga kumushonga, senge antioxidant, antimicrobial, kana kudzora enzyme.
Zvekurima: Iyo zvakare ine chimwe chishandiso mukubatanidzwa kwemishonga yekuuraya zvipembenene, nekugadzirisa chimiro chayo chemamorekuru uye kuunza chaiwo mapoka anoshanda, kuti iratidze zvakanaka kudzora zvipembenene kana hutachiona pazvirimwa, izvo zvinobatsira kuvandudza goho uye mhando yezvirimwa. uye kuona kugadzikana kwekugadzirwa kwekurima.