Methacrylic acid CAS#: 79-41-4; ChemWhat Code: 28176
Names & Identifiers |
| Product Name | Methacrylic acid |
| Synonyms | .alpha.-Methylacrylicacid;2-Methyl-2-propenoic acid;2-methyl-2-Propenoicacid;2-Methyl-2-propensαure;2-methyl-acrylicaci;2-methylene-propionicaci;2-methylenepropionicacid;2-Methylpropencicacid |
| CAS Registry Number | 79-41-4 |
| Molecular Formula | C4H6O2 |
| Molecular Weight | 86.09 |
| EINECS | 201-204-4 |
| Other Registry Numbers | ; |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | 16 °C |
| Boiling Point | 163 °C(lit.) |
| Density | 1.015 g/mL at 25 °C(lit.) |
| vapor Density | >3 (vs air) |
| vapor pressure | 1 mm Hg ( 20 °C) |
| Refractive Index | n |
| Flash Point | 170 °F |
| Storage | Indoors |
| form | Liquid |
| Color | Clear |
| PH | 2.0-2.2 (100g/l, H2O, 20℃) |
| Explosive Limit | 1.6-8.7%(V) |
| Water Solubility | 9.7 g/100 mL (20 ºC) |
| Sensitive | Moisture & Light Sensitive |
| Merck | 14,5941 |
| BRN | 1719937 |
| Stability: | 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. |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | 2-Propenoic acid, 2-methyl-(79-41-4) |
| EPA Substance Registry System | 2-Propenoic acid, 2-methyl-(79-41-4) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | C |
| R Phrase | 21/22-35-37-20/21/22 |
| S Phrase | 26-36/37/39-45 |
| RIDADR | UN 2531 8/PG 2 |
| WGK Germany | 1 |
| RTECS | OZ2975000 |
| TSCA | Yes |
| Storage Class | 8 |
| Packing Group | II |
| Hazardous Substances Data | 79-41-4(Hazardous Substances Data) |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
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