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Propargyl bromide(CAS#106-96-7)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C3H3Br
'Misa oa Molar 118.96
Botenya 1.38g/mLat 20°C
Melting Point -61°C
Boling Point 97°C
Flash point 65°F
Ho qhibiliha ha Metsi E kopane le ethanol, ether, benzene, carbon tetrachloride le chloroform. E sa kopane le metsi.
Khatello ea Mouoane 64.6mmHg ho 25°C
Ponahalo Mokelikeli
Mmala E se nang mebala - e mosehla
Moedi wa ho pepeseha ACGIH: TWA 20 ppmOSHA: Siling 300 ppm; TWA 200 ppmNIOSH: IDLH 500 ppm; TWA 100 ppm(375 mg/m3); STEL 150 ppm(560 mg/m3)
BRN 605309
Boemo ba polokelo 2-8°C
E hloahloa Khanya e Imamela
Refractive Index n20/D 1.494
Thepa ea 'Mele le ea Lik'hemik'hale sebopeho se mosehla se lero le chefo haholo.
ntlha e belang 80 ~ 90 ℃
boima ba 1.335
index ea refractive 1.4940
ntlha ea flash 10 ℃
qhibilihang ka har'a ethanol, ether, benzene le chloroform.
Sebelisa Bakeng sa Organic synthesis

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R60 – E ka senya thari
R61 – E ka baka kotsi ho ngwana ya esong ho hlahe
R20/21 – E kotsi ka ho hema le ho kopana le letlalo.
R25 – E chefo ha e koetsoe
R63 – Kotsi e ka bang teng ya kotsi ho ngwana ya esong ho hlahe
R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
R11 – E tuka Haholo
R67 – Mouoane o ka baka ho otsela le ho tsekela
R65 – E Kotsi: E ka baka tshenyo ya matshwafo ha e kwetswe
R48/20 -
Tlhaloso ea Tšireletseho S53 - Qoba ho pepeseha - fumana litaelo tse khethehileng pele u li sebelisa.
S16 - Ipoloke hole le mehloli ea mollo.
S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
S45 – Ha ho ka etsahala kotsi kapa ha o ikutlwa o sa phele hantle, batla keletso ya bongaka hanghang (bontsha leibole neng kapa neng ha ho kgoneha.)
S37/39 - Apara liatlana tse loketseng le tšireletso ea mahlo / sefahleho
S28A -
S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S62 - Haeba u metsoa, ​​u se ke ua etsa hore motho a hlatse; batla keletso ea bongaka hang-hang 'me u bontše setshelo sena kapa leibole.
S36/37 - Apara liaparo tse loketseng tsa tšireletso le liatlana.
Li-ID tsa UN UN 2345 3/PG 2
WGK Jeremane 3
RTECS UK4375000
LIKHOUTU FLUKA BRAND F 8
TSCA Ee
Khoutu ea HS 29033990
Tsebiso ea Kotsi E tukang haholo/e chefo/e senya
Sehlopha sa Likotsi 3
Sehlopha sa ho paka II

 

Selelekela

3-Bromopropyne, e tsejoang hape e le 1-bromo-2-propyne, ke motsoako oa lintho tse phelang. E latelang ke kenyelletso e khuts'oane ea thepa ea eona, ts'ebeliso, mekhoa ea tlhahiso le tlhaiso-leseling ea polokeho:

 

Boleng:

- E na le boima bo tlase, ka boleng bo ka bang 1.31 g/mL.

- 3-Bropropyne e na le monko o monate.

- E ka qhibiliha ka har'a metsoako e meng ea tlhaho e kang ethanol le ether.

 

Sebelisa:

- 3-Broproyne e sebelisoa haholo-holo e le reagent ho organic synthesis reactions, mohlala, e ka kenya letsoho liketsong tsa tšepe-catalyzed cross-coupling reactions bakeng sa motsoako oa metsoako ea tlhaho.

- E ka boela ea sebelisoa e le lisebelisoa tsa ho qala bakeng sa li-alkyne, mohlala, bakeng sa ho kopanya li-alkyne kapa li-alkyne tse ling tse sebetsang hantle.

 

Mokhoa:

- 3-Bromopropyne e ka fumanoa ka karabelo ea bromoacetylene le ethyl chloride tlas'a maemo a alkaline.

- Sena se etsoa ka ho kopanya bromoacetylene le ethyl chloride le ho eketsa tekanyo e itseng ea alkali (joaloka sodium carbonate kapa sodium bicarbonate).

- Qetellong ea karabelo, 3-bromopropynne e hloekileng e fumanoa ka distillation le tlhoekiso.

 

Lintlha tsa Tšireletseho:

- 3-Bropropyne ke ntho e chefo le e halefisang e hlokang lisebelisoa tse nepahetseng tsa ho itšireletsa (PPE) hore li apesoe ha li sebetsa.

- E lokela ho qoba ho kopana le li-oxidants, li-alkali tse matla, le li-acid tse matla ho qoba liketso tse kotsi.

- Latela mekhoa e nepahetseng ea ts'ebetso ea ts'ireletso nakong ea ts'ebeliso le polokelo.

- Ha u tšoara 3-bromopropyne, etsa bonnete ba hore moea o na le moea o motle 'me u qobe ho hema mouoane oa eona kapa ho kopana le letlalo le mahlo.

 


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona