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oloa

3,4-Dimethylphenol(CAS#95-65-8)

Meatotino tau vailaau:

Fuafua mole C8H10O
Molar Mass 122.16
Malosi 1,138 g/cm3
Lisi Lisi 65-68°C
Manu'a 227°C(malamalama)
Mata'imu 61 °C
Numera JECFA 708
Suavai Solubility LA'U SOLUTE
Solubility Chloroform (La'iti), Ethyl Acetate (La'u), Methanol (La'u)
Ausa Malo 0.475-130Pa ile 25-66.2℃
Fa'aaliga Pa'u tioata
Lanu Pa'epa'e e pa'epa'e kulimi
Tapulaa o Fa'aaliga ACGIH: TWA 1 ppm
Merck 14,10082
BRN 1099267
pKa pK1:10.32 (25°C)
Tulaga Teuteu Teu i lalo ole +30°C.
Tapulaa Pa 1.4%(V)
Fa'asino Upu 1.5442
Meatotino Faaletino ma Vailaau Uiga: tioata nila paepae.
mea liusuavai 66~68 ℃
mea vevela 225 ℃
va'aiga fa'atatau 0.9830
solubility teisi soluble i le vai, soluble i le ethanol, eter.
Fa'aoga Mo le saunia o polyimide ua suia, vailaau faʻalaʻau, vali, ma isi

Fa'amatalaga Oloa

Faailoga o oloa

Tulaga lamatia R24/25 -
R34 – Mafua ai mu
R51/53 – Oona i meaola o le vai, e ono tupu ai ni a'afiaga leaga mo se taimi umi i le siosiomaga vai.
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.
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.)
S61 – Aloese mai le tu’u atu i le si’osi’omaga. Va'ai ile fa'atonuga fa'apitoa/pepa fa'amatalaga saogalemu.
UN ID UN 2261 6.1/PG 2
WGK Siamani 3
RTECS ZE6300000
TSCA Ioe
HS Code 29071400
Vasega o Tulaga Lamatia 6.1
Fa'aputu Vaega II

 

Folasaga

3,4-Xylenol, faʻapitoa foi o le m-xylenol, o se faʻalapotopotoga faʻapitoa. O loʻo taua i lalo se faʻamatalaga i meatotino, faʻaoga, metotia sauniuni ma faʻamatalaga saogalemu o le 3,4-xylenol:

 

Tulaga lelei:

- 3,4-Xylenol o se vai e leai ni lanu ma se manogi manogi faʻapitoa.

- O lo'o i ai le meatotino o le soluble i le vai ma le tele o so'o so'o.

- Fa'aalia e pei o se fa'a'a'aiga dimer fela'ua'i i le vevela o le potu.

 

Fa'aaogā:

- E faʻaaogaina e avea o se mea faʻamaʻi ma vailaʻau faʻamaʻi i fungicides ma faʻasao.

- Fa'aaogaina e fai ma fa'aoso i nisi o fa'agaioiga fa'atupu kemisi.

 

Metotia:

- 3,4-Xylenol e mafai ona saunia e le condensation tali o phenol ma formaldehyde i lalo o tulaga acidic.

- I le tali atu, o le phenol ma le formaldehyde o loʻo faʻapipiʻiina e se faʻamaʻi gaʻo e maua ai le 3,4-xylenol.

 

Fa'amatalaga Saogalemu:

- 3,4-Xylenol e maualalo le oona, ae e taua lava le faʻaaogaina saogalemu.

- O ausa po'o fa'asu'i e mafai ona fa'a'ono'ono ma pala i mata ma le pa'u.

- Pe a fa'agaioi, fa'aaoga mea e puipui ai le tagata lava ia, e pei o totini lima ma mata tioata.

- Pe a teuina ma tagofia le 3,4-xylenol, e taua tele le faʻaogaina lelei o otaota e aloese ai mai le faʻaleagaina o le siosiomaga.

 


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