itulau_fanua

oloa

2-Bromo-4-chlorobenzoic acid(CAS# 936-08-3)

Meatotino tau vailaau:

Fuafua mole C7H4BrClO2
Molar Mass 235.46
Malosi 1.809±0.06 g/cm3(Va'ai)
Lisi Lisi 157-161 °C
Manu'a 326.5±27.0 °C(Vailoaina)
Fa'aaliga Malosi
pKa 2.62±0.10(Vavaloa)
Tulaga Teuteu Faamauina i le mago, Temperature Room
MDL MFCD00672930

Fa'amatalaga Oloa

Faailoga o oloa

Tulaga lamatia R36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u.
R50 – Oona tele i meaola o le vai
R34 – Mafua ai mu
R22 – E afaina pe a foloina
Fa'amatalaga Saogalemu S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i.
S36/37/39 – Fai ofu puipui talafeagai, totigilima ma mata/mata.
S61 – Aloese mai le tu’u atu i le si’osi’omaga. Va'ai ile fa'atonuga fa'apitoa/pepa fa'amatalaga saogalemu.
S45 – I se fa'alavelave po'o ua e lagona le le lelei, saili vave fautuaga fa'afoma'i (fa'aali le igoa pe a mafai.)
UN ID UN 2928
WGK Siamani 3
Mata'utia Fa'amatalaga Fa'aitaita
Vasega o Tulaga Lamatia 6.1
Fa'aputu Vaega

 

Folasaga

4-Chloro-2-bromobenzoic acid ua lauiloa foi o le 4-chloro-2-bromobenzoic acid. O lo'o ta'ua i lalo se folasaga i lona natura, fa'aoga, auala gaosi ma fa'amatalaga saogalemu:

 

Tulaga lelei:

4-Chloro-2-bromo-benzoic acid o se tioata paʻepaʻe paʻepaʻe. E maualalo le solubility ma e toetoe lava a le mafai ona soluble i le vai, ae e soluble i solvents organic.

 

Fa'aaogā:

O lenei tuufaatasiga e masani ona faʻaaogaina e avea o se mea faʻavauvau i gaioiga faʻasolosolo faʻasolosolo. 4-Chloro-2-bromo-benzoic acid e mafai foʻi ona faʻaaogaina e fai ma faʻamaʻi vali i totonu o pisinisi vali.

 

Metotia:

O se auala e masani ona faʻaaogaina mo le saunia o le 4-chloro-2-bromo-benzoic acid o le tali atu lea i le 2-bromo-4-nitrobenzoic acid ma le nitrous acid e maua ai le 2-bromo-4-nitrophenol, ona maua lea o le oloa faʻatatau e tali ma togafitiga.

 

Fa'amatalaga Saogalemu:

4-Chloro-2-bromo-benzoic acid e masani ona manatu e maualalo le oona i lalo o le fa'aoga masani ma le teuina. Atonu e i ai se aafiaga ita i mata, pa'u, ma le manava. E tatau ona 'alofia le fa'afeso'ota'i sa'o ma le pa'u ma mata i le taimi e fa'aoga ai, ma ia fa'atumauina tulaga lelei o le ea. Pe a fetagofi pe fa'amavae, e tatau ona faia ni puipuiga talafeagai e pei o mata ma lima. Afai o lo'o manava pe 'ai le vaila'au, saili vave togafitiga faafoma'i.


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