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4-Chloro-3-fluorobenzoic acid(CAS# 403-17-8)

Meatotino tau vailaau:

Fuafua mole C7H4ClFO2
Molar Mass 174.56
Malosi 1.477±0.06 g/cm3(Va'ai)
Lisi Lisi 190-192°C
Manu'a 290.9±20.0 °C(Va'ai)
Solubility DMSO, Methanol
Fa'aaliga Malosi
Lanu Pa'epa'e e pa'epa'e samasama
pKa 3.63±0.10(Vavaloa)
Tulaga Teuteu Faamauina i le mago, Temperature Room
Fa'asino Upu 1.497
MDL MFCD00143290

Fa'amatalaga Oloa

Faailoga o oloa

Fa'ailoga Mata'utia Xi – Irita
Tulaga lamatia 36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u.
Fa'amatalaga Saogalemu S22 – Aua le manava pefu.
S24/25 – Aloese mai le fa'afeso'ota'i ma pa'u ma mata.
S37 – Fai totigilima talafeagai.
S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i.
HS Code 29163990
Vasega o Tulaga Lamatia FAAFITAU

 

Folasaga

4-Chloro-3-fluorobenzoic acid.

 

Meatotino: E mafai ona faʻamavaeina i le tele o vaifofo faʻalaʻau pei ole ethanol, eter ma chloroform ile vevela potu.

 

Fa'aoga: E mafai fo'i ona fa'aoga i le tapenaga o vali ma fa'alavalava.

 

Metotia:

O le auala sauniuni o le 4-chloro-3-fluorobenzoic acid e masani ona maua e ala i le taliina o le benzoic acid ma le carbon tetrachloride ma le hydrogen fluoride. Muamua, o le benzoic acid e tali atu i le carbon tetrachloride i luma o le alumini tetrachloride e fausia ai le benzoyl chloride. O le Benzoyl chloride e fa'afefeteina ma le hydrogen fluoride i totonu o se so'o so'o e maua ai le 4-chloro-3-fluorobenzoic acid.

 

Fa'amatalaga Saogalemu:

O le 4-Chloro-3-fluorobenzoic acid e faʻamautu i le vevela o le potu, ae e tatau ona aloese mai le faʻafesoʻotaʻi ma vailaʻau malolosi ma le maualuga o le vevela. O mea faigaluega puipuia talafeagai, e pei o totigilima ma mata tioata, e tatau ona ofuina pe a tago i le mea faʻapipiʻi e puipuia ai le paʻu ma le paʻu ma mata. E tatau ona tu'uina atu tulaga lelei ea i le taimi o le fa'agaioiga.


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