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sehlahisoa

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

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C8H10O
'Misa oa Molar 122.16
Botenya 1,138 g/cm3
Melting Point 65-68°C
Boling Point 227°C(lebone)
Flash point 61 °C
JECFA Nomoro 708
Ho qhibiliha ha Metsi TS'ELISITSOE KHABANE
Solubility Chloroform (Hanyenyane), Ethyl Acetate (Hanyenyane), Methanol (Hanyenyane)
Khatello ea Mouoane 0.475-130Pa ho 25-66.2 ℃
Ponahalo Phofo ea Crystalline
Mmala Setlolo se sesoeu ho isa bosoeu
Moedi wa ho pepeseha ACGIH: TWA 1 ppm
Merck 14,10082
BRN 1099267
pKa pK1:10.32 (25°C)
Boemo ba polokelo Boloka ka tlase ho +30°C.
Qeto ea ho phatloha 1.4%(V)
Refractive Index 1.5442
Thepa ea 'Mele le ea Lik'hemik'hale Sebopeho: kristale ea nale e tšoeu.
ntlha e qhibilihang ke 66~68 ℃
ntlha e belang 225 ℃
boima bo lekanang 0.9830
ho qhibiliha hanyenyane ka metsing, ho qhibiliha ka ethanol, ether.
Sebelisa Bakeng sa ho lokisa polyimide e fetotsoeng, chefo e bolaeang likokoanyana, lidae, joalo-joalo

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R24/25 -
R34 – E baka ho cha
R51/53 – Chefo ho lintho tse phelang metsing, e ka baka litlamorao tsa nako e telele tikolohong ea metsing.
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
S45 – Ha ho ka etsahala kotsi kapa ha o ikutlwa o sa phele hantle, batla keletso ya bongaka hanghang (bontsha leibole neng kapa neng ha ho kgoneha.)
S61 - Qoba ho lokolloa tikolohong. Sheba litaelo tse khethehileng / maqephe a tšireletso.
Li-ID tsa UN UN 2261 6.1/PG 2
WGK Jeremane 3
RTECS ZE6300000
TSCA Ee
Khoutu ea HS 29071400
Sehlopha sa Likotsi 6.1
Sehlopha sa ho paka II

 

Selelekela

3,4-Xylenol, eo hape e tsejoang e le m-xylenol, ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa thepa, tšebeliso, mekhoa ea ho lokisa le tlhaiso-leseling ea polokeho ea 3,4-xylenol:

 

Boleng:

- 3,4-Xylenol ke mokelikeli o se nang 'mala o nang le monko o khethehileng.

- E na le thepa ea ho qhibiliha ka metsing le lihlapolli tse ngata tsa tlhaho.

- E bonahala e le sebopeho sa dimer se kaholimo ho mocheso oa kamore.

 

Sebelisa:

- E sebelisoa e le motsoako o thibelang likokoana-hloko le likokoana-hloko ho li-fungicides le li-preservatives.

- E sebelisoa e le ntho e thusang karabelong ea khemikhale.

 

Mokhoa:

- 3,4-Xylenol e ka lokisoa ke karabelo ea condensation ea phenol le formaldehyde tlas'a maemo a acidic.

- Ka karabelo, phenol le formaldehyde li hlahisoa ke acidic catalyst ho hlahisa 3,4-xylenol.

 

Lintlha tsa Tšireletseho:

- 3,4-Xylenol e na le chefo e tlaase, empa ho ntse ho le bohlokoa ho e sebelisa ka mokhoa o sireletsehileng.

- Mouoane kapa li-sprays li ka halefisa 'me tsa senya mahlo le letlalo.

- Ha o sebetsa, sebelisa lisebelisoa tse loketseng tsa ho itšireletsa, joalo ka liatlana tsa lik'hemik'hale le likhalase.

- Ha u boloka le ho tšoara 3,4-xylenol, ho bohlokoa ho laola litšila ka nepo ho qoba tšilafalo ea tikoloho.

 


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona