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oloa

3 4-Difluorobenzoic acid(CAS# 455-86-7)

Meatotino tau vailaau:

Fuafua mole C7H4F2O2
Molar Mass 158.1
Malosi 1.3486 (fa'atatau)
Lisi Lisi 120-122°C(malamalama)
Manu'a 257.0±20.0 °C(Vailoaina)
Mata'imu 109.2°C
Suavai Solubility solu teisi i le vai malulu
Solubility Chloroform (La'iti), Methanol (La'iti)
Ausa Malo 0.00766mmHg ile 25°C
Fa'aaliga tioata samasama susulu
Lanu Lanu pa'epa'e
BRN 2085848
pKa 3.80±0.10(Vailoaina)
Tulaga Teuteu Faamauina i le mago, Temperature Room
MDL MFCD00011672

Fa'amatalaga Oloa

Faailoga o oloa

Fa'ailoga Mata'utia Xn – Fa'aleagaina
Tulaga lamatia R22 – E afaina pe a foloina
R36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u.
Fa'amatalaga Saogalemu S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i.
S37/39 – Fai totigilima talafeagai ma le puipuiga o mata/mata
UN ID UN 2811
WGK Siamani 3
HS Code 29163900

 

Folasaga

3,4-Difluorobenzoic acid. O lo'o ta'ua i lalo se folasaga i lona natura, fa'aoga, auala gaosi ma fa'amatalaga saogalemu:

 

Tulaga lelei:

- 3,4-Difluorobenzoic acid o se tioata paʻepaʻe paʻepaʻe ma se manogi manogi.

- E malo i le vevela o le potu ma e mafai ona soluble i solu faʻaola pei ole ava malosi, ethers, ma isi, ma e faʻatapulaʻaina le soluble i le vai.

- 3,4-Difluorobenzoic acid o le acidic ma tali atu i le alkali e fausia ai le masima tutusa.

 

Fa'aaogā:

- 3,4-difluorobenzoic acid o loʻo faʻaaogaina lautele e avea o se mea taua tele ma mea mataʻutia i le faʻaogaina o meaola.

 

Metotia:

- E tele auala sauniuni mo le 3,4-difluorobenzoic acid, o se tasi e masani ona faʻaaogaina e le fluorinating fluorinated acid.

- O le auala sauniuni faʻapitoa e aofia ai le filifilia o le fluorinating agent ma le faʻatonutonuina o tulaga faʻaalia, o vailaʻau faʻafefe masani o le hydrogen fluoride, sulfur polyfluoride, ma isi.

 

Fa'amatalaga Saogalemu:

- 3,4-Difluorobenzoic acid o se vailaʻau ma e tatau ona mulimulitaʻia e tusa ai ma faʻataʻitaʻiga talafeagai mo le saogalemu ma mea faʻaoga vailaʻau talafeagai.

- Atonu e i ai se aafiaga ita i mata, pa'u, ma le manava ma e tatau ona fufulu vave pe a uma ona fesootai.

- I le taimi o togafitiga, e tatau ona aloese mai le faʻafesoʻotaʻi ma vailaʻau malolosi ma vailaʻau malosi e puipuia ai faʻalavelave mataʻutia.

- 3,4-Difluorobenzoic acid e tatau ona teuina i totonu o se nofoaga malulu, mago, faʻaleleia lelei, mamao ese mai le afi ma le vevela.


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