nhau

 

Chimiro cheN,N-dimethylaniline ndeichi: mvura ine mafuta isina ruvara kusvika yeyero yakapfava kana brown yakapfava, ine hwema hunorwadza.

 

N,N-dimethylaniline (DMBA) ine mashandisirwo akasiyana-siyana, kunyanya kusanganisira zvinotevera:

 

‌1. Zvinosanganisa dhayi
DMBA chinhu chakakosha pakugadzira vanillin, azo dyes, triphenylmethane dyes, nezvimwewo.

 

2. Zvinonyungudutsa uye zvinosimbisa
Inogona zvakare kushandiswa semushonga wekugadzirisa zvinhu (solvent) uye semugadziri wezvinhu (stabilizer), ichitamba basa rekunyungudutsa nekudzikamisa zvimwe zvinhu zvemakemikari mukugadzirwa kwemakemikari.

 

3. Ma reagent ekuongorora
DMBA inogona zvakare kushandiswa se analytical reagent uye ine kukosha kwekushandiswa mukuongorora makemikari uye kuyedza.

 

Zvinofanira kucherechedzwa kuti kunyangwe DMBA ichishandiswa zvakanyanya muindasitiri yemakemikari, inoonekwawo semushonga unokonzera kenza, saka kungwarira kwakakosha kunofanira kutorwa panguva yekushandiswa nekuchengetedzwa, uye mitemo yakakodzera yekuchengetedza inofanira kuteverwa.

 

Hunhu hweN,N-dimethylaniline hunonyanya kusanganisira zvinhu zvinotevera:

 

‌1. Zvimiro zvemuviri
Chitarisiko: mvura ine mafuta isina ruvara kubva kune yero yakapfava kana brown yakapfava. Kunhuhwirira: Ine hwema hunorwadza.
Kunyungudika: Inonyungudika muzvinhu zvakasiyana-siyana zve organic zvakaita se ethanol, ether, chloroform, benzene, uye inonyungudika zvishoma mumvura.
Pokufashaira uye pokunyunguduka: Pokufashaira inenge iri pa193.1℃ kusvika 193.5℃, uye pokunyunguduka yakaderera, iri pakati pe1.5-2.5°C.

 

II. Hunhu hwemakemikari
Kubvira: Chinhu ichi chinobvira uye chinotsva kana chikaiswa mumoto wakavhurika. Utsi nemhepo zvinogona kugadzira musanganiswa unoputika.
Toxicity: Chinhu chine chepfu yakawanda chinogona kunyudzwa neganda uye kukonzera chepfu. Chine chepfu chakafanana neaniline.
Kugadzikana: Inonyungudika nyore nyore mumhepo kana muzuva, zvichiita kuti ruvara ruve rwakasviba.
Reactivity: Inogona kuita nemakemikari akasiyana-siyana, akadai sepicric acid, alkyl halides, acylating agents, nezvimwewo.

 

Zvinhu izvi zvinoda kutarisirwa zvakanyanya pakuchengetedzeka panguva yekuchengetera, kutakurwa uye kushandiswa kweN,N-dimethylaniline, uye kutevedzera nzira dzakakodzera dzekushanda.

121-72-2

 

Hunhu hweMakemikoro eN,N-Dimethylaniline
Nzvimbo yekunyunguduka 1.5-2.5 °C (yakapfava)
Pokufashaira 193-194 °C (yakapfava)
kuwanda kwemafuta 0.956 g/mL pa25 °C (yakapfava)
kuwanda kwemhepo 3 (zvichienzaniswa nemhepo)
kumanikidzwa kwemhepo 2 mm Hg (25 °C)
chiratidzo che refractive n20/D 1.557(lit.)
Fp 158 °F
tembiricha yekuchengetera. Chengeta pasi pe +30°C.
kunyungudika 1.2g/l
chimiro chemvura
pka 5.15 (pa25℃)
ruvara: Yero yakajeka
Polarity yehukama 0.179
PH 7.4 (1.2g/l, H2O, 20℃)
muganho wekuputika 1.2-7%(V)
Kunyungudika kwemvura 1 g/L (20 ºC)
Merck 14,3234
BRN 507140
Henry's Law Constant 4.98 (x 10-6 atm?m3/mol) pa20 °C (inenge - inoverengerwa kubva mukunyungudika kwemvura uye kumanikidzwa kweutsi)
Miganhu yekuonekwa kwechinhu 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 (yakagamuchirwa).
Dielectric constant 4.400000000000004
Kugadzikana: Kugadzikana. Hazvienderane nezvinhu zvine simba zvinooxidizating agents, maasidhi akasimba, maasidhi chlorides, maanhydrides eacid, machloroformates, mahalogen. Zvinobvira.
InChIKey JLTDJTHDQAWBAV-UHFFFAOYSA-N
LogP 1.171 pa35℃

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Nguva yekutumira: Zvita-10-2024