litaba

 

Sebopeho sa N,N-dimethylaniline ke: se se nang 'mala ho isa ho mosehla o bobebe kapa mokelikeli o nang le oli o sootho bo bobebe, o nang le monko o bohale.

 

N,N-dimethylaniline (DMBA) e na le mefuta e mengata ea ts'ebeliso, haholo-holo ho kenyeletsoa likarolo tse latelang:

 

‌1. Li-intermediate tsa dae
DMBA ke sesebelisoa sa bohlokoa bakeng sa tlhahiso ea vanillin, azo dae, triphenylmethane dae, jj.

 

2. Li-solvent le li-stabilizer
E ka boela ea sebelisoa e le solvent le stabilizer, e bapala karolo ea ho qhibilihisa le ho tsitsisa lik'hemik'hale tse ling tlhahisong ea lik'hemik'hale.

 

3. Li-reagent tsa tlhahlobo
DMBA e ka boela ea sebelisoa e le sesebelisoa sa ho sekaseka 'me e na le boleng ba ts'ebeliso tlhahlobong ea lik'hemik'hale le litekong.

 

Ho lokela ho hlokomeloa hore leha DMBA e sebelisoa haholo indastering ea lik'hemik'hale, e boetse e nkoa e le kankere, kahoo tlhokomelo e khethehileng e lokela ho nkoa nakong ea tšebeliso le polokelo, 'me melaoana e nepahetseng ea polokeho e lokela ho lateloa.

 

Thepa ea N,N-dimethylaniline e kenyelletsa haholo-holo lintlha tse latelang:

 

‌1. Thepa ea 'mele
Ponahalo: e se nang 'mala ho isa ho mosehla o bobebe kapa e sootho bo bobebe. Monko: E na le monko o bohale.
Ho qhibiliha: E qhibiliha ka har'a metsoako e fapaneng ea lintho tse phelang joalo ka ethanol, ether, chloroform, benzene, 'me e qhibiliha hanyane ka metsing.
Ntlha ea ho belisa le ntlha ea ho qhibiliha: Ntlha ea ho belisa e ka ba 193.1℃ ho isa ho 193.5℃, 'me ntlha ea ho qhibiliha e tlase haholo, pakeng tsa 1.5-2.5°C.

 

II. Thepa ea lik'hemik'hale
Ho cha: Ntho ena e ka cha 'me e tla cha ha e pepesetsoa malakabe a bulehileng. Mouoane le moea li ka etsa motsoako o phatlohang.
Chefo: Ke ntho e chefo haholo e ka monngoang ka letlalo mme ya baka chefo. E na le chefo e tshwanang le aniline.
Ho tsitsa: E ka oxidation habonolo moeeng kapa letsatsing, e leng se etsang hore 'mala o be lefifi.
Reactivity: E ka arabela ka lik'hemik'hale tse fapaneng, joalo ka picric acid, alkyl halides, li-acyl agents, jj.

 

Thepa ena e hloka tlhokomelo e khethehileng bakeng sa polokeho nakong ea polokelo, lipalangoang le tšebeliso ea N,N-dimethylaniline, 'me e latela mekhoa e nepahetseng ea ts'ebetso.

121-72-2

 

Thepa ea Lik'hemik'hale ea N,N-Dimethylaniline
Boemo ba ho qhibiliha 1.5-2.5 °C (ha ho tjheseletsa)
Boemo ba ho belisa 193-194 °C (ha ho besoa)
bongata ba 0.956 g/mL ho 25 °C (ha ho batlisiswe)
tekanyo ea mouoane 3 (khahlanong le moea)
khatello ea mouoane 2 mm Hg (25 °C)
index ea refractive n20/D 1.557(lit.)
Fp 158 °F
mocheso oa polokelo. Boloka ka tlase ho +30°C.
ho qhibiliha ha 1.2g/l
foromo ea Metsi
pka 5.15 (ho 25℃)
'Mala o hlakileng o mosehla
Polarity e amanang 0.179
PH 7.4 (1.2g/l, H2O, 20℃)
moedi o phatlohang 1.2-7%(V)
Ho qhibiliha ha Metsi 1 g/L (20 ºC)
Merck 14,3234
BRN 507140
Henry's Law Constant 4.98(x 10-6 atm?m3/mol) ho 20 °C (hoo e ka bang - e balwa ho latela ho qhibiliha ha metsi le khatello ea mouoane)
Meeli ea ho pepesehela NIOSH REL: TWA 5 ppm (25 mg/m3), STEL 10 ppm (50 mg/m3), IDLH 100 ppm; OSHA PEL: TWA 5 ppm; ACGIH TLV: TWA 5 ppm, STEL 10 ppm (e amohetsoe).
Phetoho ea motlakase 4.4000000000000004
Botsitso: E tsitsitse. Ha e tsamaisane le metsoako e matla ea oxidizing, li-acid tse matla, li-chloride tsa asiti, li-anhydride tsa asiti, li-chloroformates, li-halogen. E ka tuka.
InChIKey JLTDJTHDQAWBAV-UHFFFAOYSA-N
LogP 1.171 ho 35℃

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Nako ea poso: Tshitwe-10-2024