iphepha_ibhena

imveliso

Veratrole (CAS#91-16-7)

Ipropati yeMichiza:

Ifomula yeemolekyuli C8H10O2
IMisa yeMolar 138.16
Ukuxinana 1.084g/mLat 25°C(lit.)
Indawo yokunyibilika 15°C(lit.)
Indawo yeBoling 206-207°C(lit.)
Indawo yokuflasha 189°F
Inombolo yeJECFA 1248
Ukunyibilika kwamanzi Inyibilika kutywala, i-diethyl ether, i-acetone, kunye ne-methanol. Inyibilika kancinane emanzini.
Ukunyibilika 6.69g/l enganyibilikiyo
Uxinzelelo loMphunga 0.63 hPa (25 °C)
Imbonakalo Umgubo
Umbala Emhlophe ukuya kwikhilimu
Merck 14,9956
I-BRN 1364621
Imeko yoGcino Gcina ngaphantsi +30°C.
Refractive Index n20/D 1.533(lit.)
IiPropati zoMzimba kunye nezeMichiza Uxinaniso 1.08
indawo yokunyibilika yi-15°C
indawo ebilayo 206-207°C
refractive index 1.533-1.535
indawo edanyazayo ngama-87°C
Sebenzisa Isetyenziswe njengendawo ephakathi kwi-organic synthesis, kwaye isetyenziswe kwishishini lamachiza ukwenza i-tetrahydropalmatine kunye ne-isoboridine. Kwakhona i-reagent yokumisela i-lactic acid kunye ne-glycerol egazini.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimpawu ezinobungozi Xn – Iyingozi
Iikhowudi zoMngcipheko I-R22 – Iyingozi xa iginyiwe
I-R20/21/22 – Iyingozi ngokuphefumla, xa udibana nolusu naxa uginyiwe.
Inkcazelo yoKhuseleko S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo.
S23 – Musa ukuphefumla umphunga.
S24/25-Kuphephe ukudibana nolusu namehlo.
WGK eJamani 1
RTECS CZ6475000
I-TSCA Ewe
Ikhowudi ye-HS 29093090
Ubutyhefu I-LD50 kwiimpuku, iimpuku (mg/kg): 1360, 2020 ngomlomo (Jenner)

 

Intshayelelo

I-phthalate (ekwaziwa njenge-ortho-dimethoxybenzene, okanye i-ODM ngokufutshane) lulwelo olungenambala. Oku kulandelayo kukwazisa ngobume, ukusetyenziswa, indlela yokuvelisa kunye nolwazi lokhuseleko lwe-ODM:

Iyaguquguquka kakhulu kwiqondo lobushushu begumbi kwaye inokunyibilika kwiintlobo ngeentlobo zezinyibilikisi eziphilayo.

 

Ukusetyenziswa: I-ODM inoluhlu olubanzi lwezicelo kwiindawo ezininzi. Isenokusetyenziswa ukwenza iidayi, iiplastiki, iintlaka zokwenziwa, kunye neminye imichiza.

 

Indlela yokulungiselela: Ukulungiswa kwe-ODM kunokuqhutywa nge-phthalate etherification reaction. Ngaphantsi kwesenzo se-acid catalyst, i-phthalic acid iphendula kunye ne-methanol ukwenza i-methyl phthalate. Emva koko, i-methyl phthalate iphendulwa nge-methanol kunye ne-alkali catalyst ukuvelisa i-ODM.

 

Ulwazi ngokhuseleko: I-ODM inetyhefu ethile, kwaye ukhuseleko kufuneka luthathelwe ingqalelo xa usebenzisa naxa uphatha i-ODM. Lulwelo olunokutsha kwaye kufuneka luthintelwe ekudibaneni nemithombo yomlilo. Kwakhona kuphephe ukuphefumla, ukudibana nolusu namehlo. Xa usebenzisa i-ODM, amanyathelo afanelekileyo okuzikhusela afana nokunxiba iiglasi zokhuselo kunye neeglavu kufuneka kuthathwe, kwaye kuqinisekiswe ukuba isetyenziswa kwindawo engena umoya.


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