High Purity Ethyl 4-bromobutyrate CAS No. 2969-81-5 ine Best Price

Physicochemical Properties
Chitarisiko uye maitiro: Yero zvishoma mvura
Density: 1.363 g/mL pa25 °C(lit.)
Poindi yekubikira: 80-82 °C10 mm Hg(lit.)
Flash Point: 195 °F
Kunyungudika kweMvura: Kusapindirana
Refractive Index: n20/D 1.456(lit.)
Mhepo Dhedhi: 0.362mmHg pa25°C
Mamiriro Ekuchengetedza / Nzira Yekuchengetedza: Yakavharwa munzvimbo inotonhorera uye yakaoma
Kugadzikana-kwakabatana: Haina kuora kana yakashandiswa uye yakachengetwa maererano nemitemo.

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Product Detail

Product Tags

Product Description

Zita:	Ethyl 4-bromobutyrate
Shoko rakafanana:	4-Bromobutanoic acid, ethyl ester;BRCH2CH2CH2C(O)OC2H5; Butanoic asidhi, 4-bromo-, ethyl ester;Ethyl 4-bromobutanoate; Ethyl gamma-bromobutyrate;ETHYL 4-BROMO-N-BUTYRATE; ETHYL GAMMA-BROMO-N-BUTYRATE
CAS:	2969-81-5
Formula:	C6H11BrO2
Chitarisiko:	Mvura yero zvishoma
EINECS:	221-005-6
HS Kodhi:	2915900090

neMutengo Wakanakisisa (1)

neMutengo Wakanakisisa (4)

Kugadzirira Nzira

Mubhodhoro rekuita rakashongedzerwa nestirrer, thermometer uye vent chubhu, 200 g (2.33 mol) ye γ -butyrolactone uye 375mL yeanhydrous ethanol yakawedzerwa, yakatonhodzwa kusvika 0 ℃ muchando chekugezesa munyu, uye yakaomeswa hydrogen bromide gasi yakaunzwa kusvika. mareactants akaramba asina kuchinjwa, izvo zvakatora maawa maviri.Isiye pa 0 ℃ kwe 24h.Dururira reactant mu 1L mvura inotonhora, simbisa zvizere, paradzanisa organic layer, uye bvisa iyo mvura layer ne bromoethane kaviri, 10mL nguva imwe neimwe.Kubatanidza organic layers, kugeza ethanol ne2% potassium hydroxide solution, dilute hydrochloric acid nemvura, kuomesa neanhydrous sodium sulfate, kupora solvent, vacuum fractionating, uye kuunganidza zvikamu pa97 ~ 99℃/3.3 kPa kuwana 350 ~ 380 g yeethyl γ-bromobutyrate (1) ine goho re77% ~ 84%.

Uses

Ethyl 4- bromobutyrate inotorwa necarboxylate, isina ruvara, inoonekera kune yero mvura.Inogona kushandiswa sepakati pemishonga yezvipembenene nemishonga, uye inogona kushandiswa mukutsvagisa marabhoritari nekusimudzira uye kugadzirwa kwemakemikari.

Chengetedzo Information

Kurongedza Giredhi: I;II
Chikamu cheNjodzi: 6.1
HS Kodhi: 2915900090
WGK_Germany (Kuronga Rondedzero yeZvinhu Zvinosvibisa Mvura muGermany): 3
Hazard Kirasi Code: R22;R36/37/38
Mirayiridzo Yekuchengetedza: S26-S36-S37/39
Chiratidzo chekuchengetedza: S26: Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye utumire kuna chiremba.
S36: Pfeka zvipfeko zvinodzivirira zvakakodzera.
Hazard Signs: Xn: Inokuvadza