Methacrylic acid (MAA)
| Product Name | Methacrylic asidhi |
| CAS Nha. | 79-41-4 |
| Molecular formula | C4H6O2 |
| Molecular uremu | 86.09 |
| Structural Formula | |
| EINECS nhamba | 201-204-4 |
| MDL Nha. | MFCD00002651 |
Kunyungudika 12-16 °C (lit.)
Nzvimbo yekubikira 163 °C (lit.)
Density 1.015 g/mL pa25 °C (lit.)
Kuwanda kwehupfu>3 (vs mhepo)
Mutsipa wekumanikidza 1 mm Hg (20 °C)
Refractive index n20/D 1.431(lit.)
Flash point 170 °F
Mamiriro ekuchengetedza Chengeta pa +15°C kusvika +25°C.
Solubility Chloroform, Methanol (Zvishoma)
Mvura fomu
Acidity factor (pKa)pK1:4.66 (25°C)
Ruvara Zvakajeka
Kunhuwa Kunosemesa
PH 2.0-2.2 (100g/l, H2O, 20℃)
kuputika muganhu 1.6-8.7%(V)
Kunyungudika kwemvura 9.7g/100 mL (20 ºC)
Unyoro & Chiedza Sensitive. Unyoro & chiedza chinonzwa
Merck14,5941
BRN1719937
Margin of exposure TLV-TWA 20 ppm (～70 mg/m3) (ACGIH).
Kugadzikana Kunogona kugadzikana nekuwedzera kweMEHQ (Hydroquinone methyl ether, ca. 250 ppm) kana hydroquinone. Mukushaikwa kwekudzikamisa chinhu ichi chinozongoita polymerize. Inopisa. Hazvienderani neakasimba oxidizing agents, hydrochloric acid.
InChIKeyCERQOIWHTDAKMF-UHFFFAOYSA-N
LogP0.93 pa22 ℃
Njodzi mazwi:Njodzi
Tsanangudzo Yenjodzi H302+H332-H311-H314-H335
Precautions P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Zvinhu zvine ngozi zvinoratidza C
Njodzi chikamu kodhi 21/22-35-37-20/21/22
Mirayiridzo Yekuchengetedza 26-36/37/39-45
Njodzi Yekutakura Zvinhu Nengozi UN 2531 8/PG 2
WGK Germany1
RTECS nhamba OZ2975000
Kupisa kunongoerekana kwaitika 752 °F
TSCAYes
Customs Code 2916 13 00
Danger level 8
Packaging Chikamu II
Toxicity LD50 nemuromo muTsuro: 1320 mg/kg
S26: Kana wasangana nemaziso, sukurudza nekukasira nemvura yakawanda uye tsvaga mazano ekurapwa.
S36/37/39: Pfeka zvipfeko zvekudzivirira zvakakodzera, magurovhosi uye dziviriro yeziso/chiso.
S45: Kana waita tsaona kana ukanzwa usinganzwe zvakanaka, tsvaga rubatsiro rwekuchipatara nekukasika (ratidza lable pazvinogoneka).
Chengeta munzvimbo inotonhorera. Chengetedza mudziyo usina mhepo uye chengeta munzvimbo yakaoma, ine mhepo.
Yakazara mu 25Kg; 200Kg; 1000Kg chigubhu, kana kurongedzwa zvinoenderana nezvinodiwa nevatengi.
Methacrylic acid yakakosha organic makemikari mbishi zvinhu uye polymer yepakati.
