I-Methacrylic acid(MAA)

umkhiqizo

I-Methacrylic acid(MAA)

Ulwazi Oluyisisekelo:


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izici ezingokomzimba

Igama Lomkhiqizo I-Methacrylic acid
Inombolo ye-CAS. 79-41-4
Ifomula yamangqamuzana I-C4H6O2
Isisindo samangqamuzana 86.09
Ifomula Yesakhiwo  
Inombolo ye-EINECS 201-204-4
Inombolo ye-MDL. I-MFCD00002651

Impahla ye-Physicochemical

Iphuzu lokuncibilika ngu-12-16 °C (lit.)
Iphuzu lokubilisa 163 °C (lit.)
Ukuminyana 1.015 g/mL ku-25 °C (lit.)
Ukuminyana komhwamuko >3 (vs air)
Umfutho womhwamuko 1 mm Hg (20 °C)
Inkomba ye-Refractive n20/D 1.431(lit.)
Iphoyinti le-Flash 170 °F
Izimo zesitoreji Gcina ku +15°C ukuya +25°C.
I-Solubility Chloroform, i-Methanol (Kancane)
Ifomu eliwuketshezi
I-acidity factor (pKa)pK1:4.66 (25°C)
Umbala Ucacile
Iphunga Liyanyanyeka
I-PH 2.0-2.2 (100g/l, H2O, 20℃)
umkhawulo wokuqhuma 1.6-8.7%(V)
Ukunyibilika kwamanzi 9.7g /100 mL (20 ºC)
Umswakama Nokukhanya Okuzwelayo.Umswakama nokuzwela ukukhanya
I-Merck14,5941
I-BRN1719937
Imajini yokuchayeka TLV-TWA 20 ppm (~70 mg/m3) (ACGIH).
Ukuzinza Kungase kuqiniswe ngokungezwa kwe-MEHQ (Hydroquinone methyl ether, ca. 250 ppm) noma i-hydroquinone.Uma singekho isizinzisi le nto izokwenziwa i-polymerize kalula.Okuvuthayo.Akuhambisani nama-oxidizing agents aqinile, i-hydrochloric acid.
I-InChIKeyCERQOIWHTDAKMF-UHFFFAOYSA-N
I-LogP0.93 ku-22℃

Ulwazi lokuphepha

Imisho Yengozi:Ingozi
Incazelo Yengozi H302+H332-H311-H314-H335
Izinyathelo zokuqapha P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Izimpahla eziyingozi umaka C
Ikhodi yesigaba sezingozi 21/22-35-37-20/21/22
Imiyalo yokuphepha 26-36/37/39-45
Ikhodi Yezokuthutha Izimpahla Eziyingozi UN 2531 8/PG 2
WGK Germany1
Inombolo ye-RTECS OZ2975000
Izinga lokushisa elizenzakalelayo lokuvutha ngu-752 °F
I-TSCAYebo
Ikhodi Yempahla 2916 13 00
Ingozi yezinga lesi-8
Isigaba sokupakisha II
Ubuthi LD50 ngomlomo kuNogwaja: 1320 mg/kg

Imishwana yokuphepha

S26:Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune izeluleko zezokwelapha.

I-S36/37/39: Gqoka izingubo ezifanele zokuzivikela, amagilavu ​​nokuvikela iso/ubuso.

S45:Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula lapho kungenzeka khona).

Isimo Sesitoreji

Gcina endaweni epholile.Gcina isitsha singangenisi futhi usigcine endaweni eyomile, engenamoya.

Iphakheji

Igcwele 25Kg; 200Kg; 1000Kg isigubhu, noma igcwele ngokuvumelana nezidingo zamakhasimende.

Izinkambu Zokusebenza

I-Methacrylic acid iyinto ebalulekile yamakhemikhali ephilayo kanye ne-polymer ephakathi.


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