| 融点 |
12-16 °C (lit.) |
| 沸点 |
163 °C (lit.) |
| 比重(密度) |
1.015 g/mL at 25 °C (lit.) |
| 蒸気密度 |
>3 (vs air) |
| 蒸気圧 |
1 mm Hg ( 20 °C) |
| 屈折率 |
n20/D 1.431(lit.) |
| 闪点 |
170 °F |
| 貯蔵温度 |
Store at +15°C to +25°C. |
| 溶解性 |
Chloroform, Methanol (Slightly) |
| 酸解離定数(Pka) |
pK1:4.66 (25°C) |
| 外見 |
Liquid |
| 色 |
Clear |
| 臭い (Odor) |
Repulsive |
| PH |
2.0-2.2 (100g/l, H2O, 20℃) |
| 爆発限界(explosive limit) |
1.6-8.7%(V) |
| 水溶解度 |
9.7 g/100 mL (20 ºC) |
| Sensitive |
Moisture & Light Sensitive |
| Merck |
14,5941 |
| BRN |
1719937 |
| 暴露限界値 |
TLV-TWA 20 ppm (～70 mg/m3) (ACGIH). |
| 安定性： |
May be stabilized by the addition of MEHQ (Hydroquinone methyl ether, ca. 250 ppm) or hydroquinone. In the absence of a stabilizer this material will readily polymerize. Combustible. Incompatible with strong oxidizing agents, hydrochloric acid. |
| InChIKey |
CERQOIWHTDAKMF-UHFFFAOYSA-N |
| LogP |
0.93 at 22℃ |
| CAS データベース |
79-41-4(CAS DataBase Reference) |
| NISTの化学物質情報 |
2-Propenoic acid, 2-methyl-(79-41-4) |
| EPAの化学物質情報 |
Methacrylic acid (79-41-4) |
| ECETOC JACC REPORT |
Methacrylic acid (79-41-4) |
