I-Methacrylic acid (MAA)

imveliso

I-Methacrylic acid (MAA)

Ulwazi olusisiseko:


Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimpawu ezibonakalayo

Igama lemveliso Methaacrylic acid
Inombolo yeCAS. 79-41-4
Ifomula yemolekyuli C4H6O2
Ubunzima bemolekyuli 86.09
Ifomula yoLwakhiwo  
inombolo ye-EINECS 201-204-4
Inombolo ye-MDL. MFCD00002651

Ipropati yePhysicochemical

Indawo yokunyibilika 12-16 °C (lit.)
Indawo yokubila yi-163 °C (lit.)
Uxinzelelo 1.015 g/mL ku-25 °C (lit.)
Ubuninzi bomphunga >3 (vs umoya)
Uxinzelelo lomphunga 1 mm Hg (20 °C)
Isalathiso se-refractive n20/D 1.431(lit.)
Indawo edanyazayo yi-170 °F
Iimeko zogcino Gcina ku +15°C ukuya +25°C.
Ukunyibilika kweChloroform, iMethanol (Kancinci)
Ifom yolwelo
I-asidi factor (pKa)pK1:4.66 (25°C)
Umbala ocacileyo
Ivumba Liyanyanyisa
PH 2.0-2.2 (100g/l, H2O, 20℃)
umda wokuqhushumba 1.6-8.7%(V)
Ukunyibilika kwamanzi 9.7g /100 mL (20 ºC)
Ukufuma kunye nokuKhanya okunovakalelo.Ukufuma kunye nobuthathaka bokukhanya
Merck14,5941
BRN1719937
Umda wokuba sesichengeni TLV-TWA 20 ppm (~70 mg/m3) (ACGIH).
Ukuzinza kunokuzinziswa ngokongezwa kwe-MEHQ (i-Hydroquinone methyl ether, i-ca. 250 ppm) okanye i-hydroquinone.Ukungabikho kozinzisi olu lwazi luya kupholisa ngokulula.Ukutsha.Ayihambelani ne-oxidizing agents enamandla, i-hydrochloric acid.
InChIKeyCERQOIWHTDAKMF-UHFFFAOYSA-N
I-LogP0.93 kwi-22℃

Ulwazi lokhuseleko

Umngcipheko amabinzana:Ingozi
Inkcazo yoMngcipheko H302+H332-H311-H314-H335
Isilumkiso P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Iimpahla eziyingozi ziphawula uC
Ikhowudi yodidi lwengozi 21/22-35-37-20/21/22
Imiyalelo yoKhuseleko 26-36/37/39-45
IKhowudi yoThutho lweeMpahla eziMngcipheko UN 2531 8/PG 2
WGK eJamani1
Inombolo ye-RTECS OZ2975000
Ubushushu bokutsha obuzenzekelayo bungama-752 °F
TSCAYes
Ikhowudi yeCustoms 2916 13 00
Inqanaba le-8 lengozi
Ukupakisha udidi II
Ubuthi be-LD50 ngomlomo kuMvundla: 1320 mg / kg

Amabinzana okhuseleko

S26: Xa udibana namehlo, hlambulula ngoko nangoko ngamanzi amaninzi kwaye ufune iingcebiso kugqirha.

S36/37/39: Nxiba iimpahla ezifanelekileyo zokukhusela, iiglavu kunye nokhuseleko lwamehlo / ubuso.

S45: Kwimeko yengozi okanye ukuba uziva ungaphilanga, funa ingcebiso kagqirha ngoko nangoko (bonisa ilebhile apho kunokwenzeka).

Imeko yoGcino

Gcina kwindawo epholileyo.Gcina isikhongozeli singangeni moya kwaye usigcine kwindawo eyomileyo nengena umoya.

Iphakheji

Ipakishwe 25Kg; 200Kg; 1000Kg igubu, okanye ipakishwe ngokweemfuno zabathengi.

Iinkalo zeSicelo

I-Methacrylic acid yimathiriyeli ebalulekileyo yekhemikhali ekrwada kunye ne-polymer ephakathi.


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