High Purity Ethyl 4-bromobutyrate CAS No. 2969-81-5 nrog Tus Nqi Zoo Tshaj Plaws

High Purity Ethyl 4-bromobutyrate CAS No. 2969-81-5 nrog Nqe Zoo

Physicochemical Properties
Cov tsos mob thiab cov yam ntxwv: me ntsis daj kua
Ceev: 1.363 g / mL ntawm 25 ° C (lit.)
Boiling Point: 80-82 ° C10 mm Hg (lit.)
Flash Point: 195 ° F
Dej Solubility: Immiscible
Refractive Index: n20/D 1.456 (lit.)
Vapor Siab: 0.362mmHg ntawm 25 ° C
Cia Lub Sijhawm / Txoj Kev Cia: Muab ntim rau hauv qhov chaw txias thiab qhuav
Kev ruaj ntseg ntsig txog: Nws tsis decompose thaum siv thiab khaws cia raws li cov cai.

Xa email rau peb

Product Detail

Khoom cim npe

Product Description

Lub npe:	Ethyl 4-bromobutyrate
Synonym:	4-Bromobutanoic acid, ethyl ester;BrCH2CH2CH2C(O)OC2H5; Butanoic acid, 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
Qhov tsos:	Me ntsis kua qaub
EINECS:	221-005-6
HS Code:	291590009 0

nrog tus nqi zoo tshaj (1)

nrog tus nqi zoo tshaj (4)

Txoj Kev Npaj

Nyob rau hauv ib lub raj mis tshuaj tiv thaiv nruab nrog ib tug stirrer, tus pas ntsuas kub thiab lub qhov cua raj, 200 g (2.33 mol) ntawm γ -butyrolactone thiab 375mL ntawm anhydrous ethanol tau ntxiv, txias rau 0 ℃ nyob rau hauv ib tug dej khov ntsev da dej, thiab qhuav hydrogen bromide roj tau qhia txog. cov reactants tseem tsis hloov, uas siv li 2 teev.Cia nws ntawm 0 ℃ rau 24 teev.Ncuav cov reactant rau hauv 1L dej txias, tag nrho do, cais cov organic txheej, thiab rho tawm cov dej txheej nrog bromoethane ob zaug, 10mL txhua zaus.Ua ke cov txheej txheem organic, ntxuav ethanol nrog 2% potassium hydroxide tov, dilute hydrochloric acid thiab dej, ziab nrog anhydrous sodium sulfate, rov qab hnyav, nqus fractionating, thiab sau cov feem ntawm 97 ~ 99 ℃ / 3.3 kPa kom tau 350 ~ 380 g ntawm ethyl γ-bromobutyrate (1) nrog cov txiaj ntsig ntawm 77% ~ 84%.

Siv

Ethyl 4- bromobutyrate yog carboxylate derivative, uas tsis muaj xim, pob tshab rau cov kua daj.Nws tuaj yeem siv los ua qhov nruab nrab ntawm cov tshuaj tua kab thiab tshuaj, thiab tuaj yeem siv rau hauv kev tshawb fawb thiab kev tsim kho thiab tshuaj lom neeg.

Cov ntaub ntawv kev ruaj ntseg

Packing Qib: I;II
Risk qeb: 6.1
HS Code: 2915900090
WGK_Germany (Kev faib cov npe ntawm cov dej qias neeg hauv lub teb chaws Yelemees): 3
Hazard Class Code: R22;R36/37/38
Cov Lus Qhia Txog Kev Nyab Xeeb: S26-S36-S37/39
Kev nyab xeeb kos npe: S26: Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab xa mus rau kws kho mob.
S36: Hnav khaub ncaws tiv thaiv tsim nyog.
Hazard Signs: Xn: Ua Phem