Methacrylic acid (MAA)
Dzina lazogulitsa | Methacrylic acid |
CAS No. | 79-41-4 |
Molecular formula | C4H6O2 |
Kulemera kwa maselo | 86.09 |
Zomangamanga Formula | |
Nambala ya EINECS | 201-204-4 |
MDL No. | Mtengo wa MFCD00002651 |
Malo osungunuka 12-16 °C (kuyatsa)
Malo otentha 163 °C (lit.)
Kachulukidwe 1.015 g/mL pa 25 °C (lit.)
Kuchuluka kwa nthunzi >3 (vs mpweya)
Kuthamanga kwa nthunzi 1 mm Hg (20 °C)
Refractive index n20/D 1.431(lit.)
Kuwala kwa 170 °F
Malo osungira Sungani pa +15°C mpaka +25°C.
Solubility Chloroform, Methanol (Pang'ono)
Fomu yamadzimadzi
Acidity factor (pKa)pK1:4.66 (25°C)
Mtundu Womveka
Fungo lake Ndi Lonyansa
PH 2.0-2.2 (100g/l, H2O, 20℃)
malire ophulika 1.6-8.7% (V)
Kusungunuka kwamadzi 9.7g / 100 mL (20 ºC)
Chinyezi & Kuwala Kwambiri. Chinyezi & kuwala tcheru
Merck14,5941
BRN1719937
Margin of Exposure TLV-TWA 20 ppm (~70 mg/m3) (ACGIH).
Kukhazikika Kukhoza kukhazikika ndi kuwonjezera kwa MEHQ (Hydroquinone methyl ether, ca. 250 ppm) kapena hydroquinone. Ngati palibe stabilizer nkhaniyi mosavuta polymerize. Zoyaka. Zosagwirizana ndi oxidizing amphamvu, hydrochloric acid.
InChIKeyCERQOIWHTDAKMF-UHFFFAOYSA-N
LogP0.93 pa 22 ℃
Zowopsa: Zowopsa
Kufotokozera Kwawowopsa H302+H332-H311-H314-H335
Chitetezo P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Zinthu zowopsa zimawonetsa C
Gulu la zoopsa 21/22-35-37-20/21/22
Malangizo a Chitetezo 26-36/37/39-45
Nambala Yoyendetsa Katundu Woopsa UN 2531 8/PG 2
WGK Germany 1
Nambala ya RTECS OZ2975000
Kutentha kwapawiri 752 °F
TSCAYes
Customs Code 2916 13 00
Ngozi mlingo 8
Package Gulu II
Poizoni LD50 pakamwa pa Kalulu: 1320 mg/kg
S26: Mukakhudzana ndi maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha upangiri wamankhwala.
S36/37/39: Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
S45: Pakachitika ngozi kapena ngati simukumva bwino, funsani upangiri wachipatala mwachangu (onetsani cholembera ngati n'kotheka).
Sungani pamalo ozizira. Sungani chidebecho kuti musalowe mpweya ndipo sungani pamalo owuma, opanda mpweya wabwino.
Onyamula 25Kg; 200Kg; 1000Kg ng'oma, kapena odzaza malinga ndi zosowa kasitomala.
Methacrylic acid ndi yofunika organic mankhwala zopangira ndi polima wapakatikati.